# 1997 Economic Census: Bridge Between NAICS and SIC

Health care & social assistance

NAICS 621: Ambulatory health care services

- Finder by Major Group (2-digit SIC)

Go to bridge NAICS Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

Taxable 440,200 310,012,321 3,744,279 137,979,315 621 Ambulatory health care

services Exempt 15,181 45,428,453 669,335 17,884,218

6211 Offices of physicians Taxable 195,449 171,629,179 1,571,145 84,976,577

6212 Offices of dentists Taxable 114,178 48,482,037 641,674 18,226,762

6213 Offices of other health practitioners Taxable 88,886 28,282,299 406,589 10,456,729

Taxable 11,828 17,306,497 173,809 5,501,909 6214 Outpatient care centers Exempt 9,940 31,561,321 346,501 11,157,881

6215 Medical & diagnostic

laboratories Taxable 9,076 16,317,096 151,338 5,401,749

Taxable 16,315 21,474,024 681,505 10,940,964 6216 Home health care services Exempt 3,375 10,104,243 267,484 5,426,172

Taxable 4,468 6,521,189 118,219 2,474,625 6219 Other ambulatory health

care services Exempt 1,866 3,762,889 55,350 1,300,165



# NAICS 621: Ambulatory health care services - 6- digit NAICS by 4-digit SIC Includes only establishments with payroll. Introductory text includes scope and methodology. Figures to the left of SIC codes indicate the perce nt of SIC receipts represented by that part; and

link to Table 1 where other parts of the NAICS are shown. links to 1997 and 1992 Comparative Statistics for whole SICs.

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

6211 Offices of physicians Taxable 195,449 171,629,179 1,571,145 84,976,57762111 Offices of physicians Taxable 195,449 171,629,179 1,571,145 84,976,577

621111 Not Comparable Offices of physicians (except mental health specialists) Taxable 185,094 168,251,883 1,536,459 83,482,128

95% of 8011 01 Offices of doctors of medicine (except

mental health specialists) Taxable 176,258 163,794,407 1,484,257 81,417,962

98% of 8031 01 Offices of doctors of osteopathy (exc mental health specialists) Taxable 8,836 4,457,476 52,202 2,064,166

621112 Not Comparable Offices of physicians,

mental health specialists Taxable 10,355 3,377,296 34,686 1,494,449

2% of 8011 02 Offices of doctors of medicine (mental health specialists) Taxable 10,059 3,304,584 33,716 1,462,512

2% of 8031 02 Offices of doctors of osteopathy (mental health specialists) Taxable 296 72,712 970 31,937

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

6212 Offices of dentists Taxable 114,178 48,482,037 641,674 18,226,762

62121 Offices of dentists Taxable 114,178 48,482,037 641,674 18,226,762

621210 Comparable Offices of dentists Taxable 114,178 48,482,037 641,674 18,226,762

8021 Offices of dentists Taxable 114,178 48,482,037 641,674 18,226,762

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

6213 Offices of other health practitioners Taxable 88,886 28,282,299 406,589 10,456,729

62131 Offices of chiropractors Taxable 30,487 6,570,083 91,700 1,886,173

621310 Comparable Offices of chiropractors Taxable 30,487 6,570,083 91,700 1,886,173

8041 Offices of chiropractors Taxable 30,487 6,570,083 91,700 1,886,173

62132 Offices of optometrists Taxable 17,875 6,361,839 79,545 1,773,428

621320 Comparable Offices of optometrists Taxable 17,875 6,361,839 79,545 1,773,428

8042 Offices of optometrists Taxable 17,875 6,361,839 79,545 1,773,428

62133 Offices of mental health practitioners Taxable 11,750 2,504,820 38,427 947,521(except physicians)

621330 Not Comparable Offices of mental health practitioners (except physicians) Taxable 11,750 2,504,820 38,427 947,521

19% of 8049 10 Offices of mental health practitioners (except physicians) Taxable 11,750 2,504,820 38,427 947,521

62134 Offices of physical, occup, & speech therapists & audiologists Taxable 14,277 8,684,039 141,533 4,376,786

621340 Not Comparable Offices of physical, occup, & speech therapists & audiologists Taxable 14,277 8,684,039 141,533 4,376,786

67% of 8049 Offices of physical, occup, & speech therapists & audiologists Taxable 14,277 8,684,039 131,025 4,376,786

8049 20 Offices of physical & occupational therapists Taxable 11,962 7,969,557 131,025 4,105,525

8049 30 Offices of speech therapists & audiologists Taxable 2,315 714,482 10,508 271,261

62139 Offices of all other health practitioners Taxable 14,497 4,161,518 55,384 1,472,821

621391 Comparable Offices of podiatrists Taxable 8,662 2,393,443 30,472 771,151

8043 Offices of podiatrists Taxable 8,662 2,393,443 30,472 771,151

621399 Not Comparable Offices of all other

miscellaneous health practitioners Taxable 5,835 1,768,075 24,912 701,670

14% of 8049 40 Offices of all other health practitioners Taxable 5,835 1,768,075 24,912 701,670

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

Taxable 11,828 17,306,497 173,809 5,501,909 6214 Outpatient care

centers Exempt 9,940 31,561,321 346,501 11,157,881

Taxable 443 277,683 4,022 95,394 62141 Family planning

centers Exempt 1,390 668,027 14,100 296,105

621410 Not Comparable Family planning centers Taxable 443 277,683 4,022 95,394

4% of 8093 10 Family planning centers Taxable 423 276,261 3,965 94,940

0% of 8099 10 Childbirth preparation

classes Taxable 20 1,422 57 454621410 Not Comparable Family planning centers Exempt 1,390 668,027 14,100 296,105

4% of 8093 10 Family planning centers Exempt 1,365 659,828 13,820 291,834

0% of 8099 10 Childbirth preparation

classes Exempt 25 8,199 280 4,271

Taxable 2,648 1,503,605 23,001 579,137
62142 Outpatient mental

health & substance

abuse centers Exempt 3,646 4,714,846 102,096 2,419,060

621420 Not Comparable Outpatient mental

health & substance

abuse centers Taxable 2,648 1,503,605 23,001 579,137

21% of 8093 20 Outpatient mental

health & substance

abuse centers Taxable 2,648 1,503,605 23,001 579,137

621420 Not Comparable Outpatient mental

health & substance

abuse centers Exempt 3,646 4,714,846 102,096 2,419,060

26% of 8093 20 Outpatient mental

health & substance

abuse centers Exempt 3,646 4,714,846 102,096 2,419,060

Taxable 8,737 15,525,209 146,786 4,827,378 62149 Other outpatient care

centers Exempt 4,904 26,178,448 230,305 8,442,716

621491 Not Comparable HMO medical centers Taxable 262 1,709,323 11,029 419,527

1% of 8011 03 HMO medical centers Taxable 262 1,709,323 11,029 419,527

621491 Not Comparable HMO medical centers Exempt 510 12,289,824 47,218 1,985,165

95% of 8011 03 HMO medical centers Exempt 510 12,289,824 47,218 1,985,165

621492 Comparable Kidney dialysis centers Taxable 1,953 4,310,817 38,503 1,147,692

8092 Kidney dialysis centers Taxable 1,953 4,310,817 38,503 1,147,692

621492 Comparable Kidney dialysis centers Exempt 261 583,703 6,638 193,376

8092 Kidney dialysis centers Exempt 261 583,703 6,638 193,376

621493 Not Comparable Freestanding ambulatory surgical & emergency centers Taxable 2,089 4,088,108 34,295 1,262,848

2% of 8011 04 Freestanding ambulatory surgical & emergency centers Taxable 2,089 4,088,108 34,295 1,262,848

621493 Not Comparable Freestanding ambulatory surgical & emergency centers Exempt 313 672,979 8,121 261,599

5% of 8011 04 Freestanding ambulatory surgical & emergency centers Exempt 313 672,979 8,121 261,599621498 Not Comparable A ll other outpatient care

centers Taxable 4,433 5,416,961 62,959 1,997,311

75% of 8093 30 A ll other outpatient care

centers Taxable 4,433 5,416,961 62,959 1,997,311

621498 Not Comparable A ll other outpatient care

centers Exempt 3,820 12,631,942 168,328 6,002,576

70% of 8093 30 A ll other outpatient care

centers Exempt 3,820 12,631,942 168,328 6,002,576

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

6215 Medical & diagnostic

laboratories Taxable 9,076 16,317,096 151,338 5,401,749

62151 Medical & diagnostic

laboratories Taxable 9,076 16,317,096 151,338 5,401,749

621511 Not Comparable Medical laboratories Taxable 4,655 10,443,452 107,474 3,519,456

64% of 8071 10 Medical laboratories Taxable 4,655 10,443,452 107,474 3,519,456

621512 Not Comparable Diagnostic imaging

centers Taxable 4,421 5,873,644 43,864 1,882,293

36% of 8071 20 Diagnostic imaging

centers Taxable 4,421 5,873,644 43,864 1,882,293

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

Taxable 16,315 21,474,024 681,505 10,940,964 6216 Home health care

services Exempt 3,375 10,104,243 267,484 5,426,172

Taxable 16,315 21,474,024 681,505 10,940,964 62161 Home health care

services Exempt 3,375 10,104,243 267,484 5,426,172

621610 Comparable Home health care

services Taxable 16,315 21,474,024 681,505 10,940,964

8082 Home health care

services Taxable 16,315 21,474,024 681,505 10,940,964

621610 Comparable Home health care

services Exempt 3,375 10,104,243 267,484 5,426,172

8082 Home health care

services Exempt 3,375 10,104,243 267,484 5,426,172

NAICS SIC Pt Description Establishments Receipts ($1,000) Paid employees Annual payroll ($1,000)

Taxable 4,468 6,521,189 118,219 2,474,625 6219 Other ambulatory

health care services Exempt 1,866 3,762,889 55,350 1,300,165

Taxable 2,453 4,206,729 90,054 1,803,333 62191 Ambulance services Exempt 1,032 820,674 21,172 319,570

621910 Not Comparable Ambulance services Taxable 2,453 4,206,729 90,054 1,803,33346% of 4119 30 Ambulance or rescue service, (except by air) Taxable 2,271 3,723,554 86,494 1,684,815

10% of 4522 04 Air ambulance Taxable 182 483,175 3,560 118,518

621910 Not Comparable Ambulance services Exempt 1,032 820,674 21,172 319,570

9% of 4119 30 Ambulance or rescue service, (except by air) Exempt 1,004 719,620 19,860 295,341

2% of 4522 04 Air ambulance Exempt 28 101,054 1,312 24,229

Taxable 2,015 2,314,460 28,165 671,292 62199 All other ambulatory

health care services Exempt 834 2,942,215 34,178 980,595

621991 Not Comparable Blood & organ banks Taxable 504 1,017,082 10,266 242,944

43% of 8099 40 Blood & organ banks Taxable 504 1,017,082 10,266 242,944

621991 Not Comparable Blood & organ banks Exempt 726 2,851,025 32,731 943,507

97% of 8099 40 Blood & organ banks Exempt 726 2,851,025 32,731 943,507

621999 Not Comparable All other miscellaneous ambulatory health care

services Taxable 1,511 1,297,378 17,899 428,348

55% of 8099 50 All other miscellaneous ambulatory health care

services Taxable 1,511 1,297,378 17,899 428,348

621999 Not Comparable All other miscellaneous ambulatory health care

services Exempt 108 91,190 1,447 37,088

3% of 8099 50 All other miscellaneous ambulatory health care

services Exempt 108 91,190 1,447 37,088

N=Not available D=Withheld to avoid disclosure

% Comparability may be limited because of changes in assignment of tax status by industry.

=sum of SIC parts listed below the symbol

(Bridge complete.) Comparable NAICS derivable from SIC data.

(Drawbridge slightly open.) Almost comparable Sales or receipts from SIC are within 3% of NAICS sales or receipts.

(Drawbridge open.) Not comparable NAICS sales or receipts cannot be estimated within 3%

from SIC data.



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index 3-digit NAICS menu Data in formats for downloading PDF reportSource: 1997 Economic Census, Comparative Statistics

Last modified: 7/19/00

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