Social Worker

Compiled from official public sources by the editorial process.

NUCC 104100000X

140,115 CMS NPPES-registered providers across 54 states · 14th of 690 specialties by headcount.

140,115

Providers

CMS NPPES-registered

States

with ≥1 NPI

New York

Top state

24,209 providers

$294

Open Pay avg

430th of 552 specialties

Where this specialty sits in the corpus

Social Worker ranks 14th of 690 NUCC specialties by CMS NPPES headcount (1.98% of all registered NPIs), densest in New York; per resident New York leads.

140,115
NPPES providers in specialty: 14th
of 690 specialties: 587
state-share HHI: 0.1%
Part D prescriber share

New York is densest per capita (3× the national rate; North Dakota 2.7×).

Taxonomy fingerprint

Social Worker (NUCC 104100000X; 0.1% Part D prescribers (78 of 140,115); avg 1,486 Part D claims/prescriber (64th of 567); Open Payments avg $294/physician (430th of 552; 39 paid, $11K total); state-share HHI 587; next-larger headcount neighbor Family Medicine Physician (+7,645); next-smaller Occupational Therapist (-10,647)).

Next larger: Family Medicine Physician (147,760) Next smaller: Occupational Therapist (129,468)

Population-adjusted state index

Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.

Over-indexed vs national rate

New York 3× · 123.7/100k
North Dakota 2.7× · 113.1/100k
District of Columbia 2.6× · 109.9/100k
Michigan 2.2× · 92.6/100k
Kansas 2.2× · 91.7/100k

Under-indexed vs national rate

Guam 0.17× · 7.2/100k
Virginia 0.24× · 9.7/100k
North Carolina 0.24× · 9.9/100k
Texas 0.31× · 12.9/100k
Montana 0.32× · 13.4/100k

Which states have the most providers?

#	State	Providers	% of specialty
1	New York	24,209	17.3%
2	Ohio	10,567	7.5%
3	California	9,868	7.0%
4	Michigan	9,296	6.6%
5	Illinois	6,029	4.3%
6	Florida	5,866	4.2%
7	Massachusetts	5,704	4.1%
8	Pennsylvania	5,668	4.0%
9	New Jersey	4,343	3.1%
10	Maryland	4,087	2.9%
11	Texas	3,937	2.8%
12	Kansas	2,697	1.9%
13	Connecticut	2,277	1.6%
14	Indiana	2,268	1.6%
15	Georgia	2,220	1.6%

Top Cities for Social Worker

#	City	Providers
1	New YorkNew York	4,459
2	BrooklynNew York	3,734
3	BronxNew York	1,938
4	ColumbusOhio	1,439
5	ChicagoIllinois	1,350
6	Grand RapidsMichigan	1,190
7	CincinnatiOhio	1,159
8	Los AngelesCalifornia	1,082
9	PhiladelphiaPennsylvania	1,024
10	PortlandOregon	984
11	ClevelandOhio	935
12	BaltimoreMaryland	915

Sample Social Worker NPIs

A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.

#	Provider	State
1	Rodd Zeller, LSW LPCCColumbus, OH	Ohio
2	Hollis Karcher, LMSWCouncil Bluffs, IA	Iowa
3	Karen Hansen, LCSW-COlney, MD	Maryland
4	Nair Cardoso, LICSWRiverside, RI	Rhode Island
5	Susan Fields, LCSWJohnson City, TN	Tennessee
6	Juanita Holmes, PLCSWSedalia, MO	Missouri
7	Janis Byers, MSWSandwich, MA	Massachusetts
8	Diane Osborne, LCSWFairfax, VA	Virginia
9	Jennifer Bishop, LCSWEglin Afb, FL	Florida
10	Linda Burke, MSW, LCSWBradenton, FL	Florida
11	Michael Roehrs, LISWPerrysburg, OH	Ohio
12	Joan Christensen, LISWDes Moines, IA	Iowa
13	Deborah Fins, LICSWWorcester, MA	Massachusetts
14	Tamarin Anglin, LSCSW, ACSWFort Wayne, IN	Indiana
15	Tamara O'Brien, LISWBowling Green, OH	Ohio
16	Annette Crawford, MSW,LCSWLake George, NY	New York
17	Mark Hawrylo, LISWMentor, OH	Ohio
18	Sarah Fitzpatrick, LCSWNew Haven, CT	Connecticut

Adjacent specialties in the NUCC Health Care Provider Taxonomy.

Clinical Social Worker

274,526 providers

School Social Worker

6,540 providers

Compare Social Worker vs Clinical Social Worker →

Explore

All Specialties → Compare Specialties → Rankings →

Frequently Asked Questions

How many Social Worker providers are in the US?

There are 140,115 Social Worker providers registered in the CMS NPPES database across 54 US states and territories. New York has the most with 24,209 providers. Leading metros include New York, NY; Brooklyn, NY; Bronx, NY; Columbus, OH. Among 690 NUCC specialties, this code ranks 14th by headcount.

Do Social Worker clinicians appear in Open Payments?

CMS Open Payments 2024 lists 39 Social Worker physicians receiving industry payments totaling $11K (383 payments; average $294 per paid physician, 430th of 552 specialties by average). Presence in Open Payments is not a quality judgment.

How much Part D prescribing does this specialty do?

Among Social Worker NPIs, 78 appear in the Medicare Part D Prescriber PUF (average 1,486 claims and $150K drug cost per prescriber; 64th of 567 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.

Data sources and methodology

Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). Part D averages from the CMS Medicare Part D Prescriber PUF; industry payments from CMS Open Payments 2024. Counts reflect self-designated primary taxonomy at NPI enrollment. PlainDoctor does not rate or rank providers. Methodology · About

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.