Chiropractor

Compiled from official public sources by the editorial process.

NUCC 111N00000X

95,504 CMS NPPES-registered providers across 56 states · 21st of 690 specialties by headcount.

95,504

Providers

CMS NPPES-registered

States

with ≥1 NPI

California

Top state

11,464 providers

$369

Open Pay avg

400th of 552 specialties

Where this specialty sits in the corpus

Chiropractor ranks 21st of 690 NUCC specialties by CMS NPPES headcount (1.35% of all registered NPIs), densest in California; per resident North Dakota leads.

95,504
NPPES providers in specialty: 21st
of 690 specialties: 435
state-share HHI: 0.3%
Part D prescriber share

North Dakota is densest per capita (2.2× the national rate; Iowa 2.2×).

Taxonomy fingerprint

Chiropractor (NUCC 111N00000X; 0.3% Part D prescribers (303 of 95,504); avg 824 Part D claims/prescriber (183rd of 567); Open Payments avg $369/physician (400th of 552; 1,630 paid, $602K total); state-share HHI 435; next-larger headcount neighbor Behavior Analyst (+1,498); next-smaller Dentist (-1,711)).

Next larger: Behavior Analyst (97,002) Next smaller: Dentist (93,793)

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

North Dakota 2.2× · 63.1/100k
Iowa 2.2× · 62.5/100k
Minnesota 2.1× · 58.5/100k
South Dakota 2× · 57.3/100k
Kansas 1.7× · 49.2/100k

Under-indexed vs national rate

Guam 0.25× · 7.2/100k
District of Columbia 0.37× · 10.5/100k
Mississippi 0.38× · 10.6/100k
Maryland 0.50× · 14/100k
West Virginia 0.55× · 15.4/100k

Which states have the most providers?

#	State	Providers	% of specialty
1	California	11,464	12.0%
2	Texas	6,945	7.3%
3	Florida	6,883	7.2%
4	New York	4,588	4.8%
5	Illinois	4,513	4.7%
6	Pennsylvania	3,905	4.1%
7	Minnesota	3,357	3.5%
8	Georgia	3,216	3.4%
9	Michigan	3,027	3.2%
10	Washington	3,003	3.1%
11	New Jersey	2,927	3.1%
12	Ohio	2,654	2.8%
13	Wisconsin	2,517	2.6%
14	Missouri	2,486	2.6%
15	Colorado	2,337	2.4%

Top Cities for Chiropractor

#	City	Providers
1	HoustonTexas	742
2	ChicagoIllinois	622
3	PortlandOregon	583
4	DallasTexas	565
5	New YorkNew York	551
6	Los AngelesCalifornia	533
7	San DiegoCalifornia	521
8	PhoenixArizona	435
9	AustinTexas	414
10	AtlantaGeorgia	406
11	San JoseCalifornia	367
12	MariettaGeorgia	362

Sample Chiropractor NPIs

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

#	Provider	State
1	Neil Wensink, DCNorth Olmsted, OH	Ohio
2	Chess Miles, D.C.Pasadena, TX	Texas
3	Michael Niblo, DCNorfolk, VA	Virginia
4	Kevin Bays, D.C.Lebanon, MO	Missouri
5	Andrew Kasic, D.C.Rock Hill, SC	South Carolina
6	Robert Reier, D.C.Bel Air, MD	Maryland
7	William Buchar, D.C.Naperville, IL	Illinois
8	Marcia Nibert, D.C., LACClover, SC	South Carolina
9	Michael Bawek, D.C.Bloomington, MN	Minnesota
10	Marie Miller, D.C.Bennington, NE	Nebraska
11	Eric Osterberg, D.C.Red Lion, PA	Pennsylvania
12	Gregg Stern, D.C.Buffalo Grove, IL	Illinois
13	Ryan Haely, D.C.Broadview Hts, OH	Ohio
14	Scott Tobkes, D.C.Davie, FL	Florida
15	Kim Neibert, DCMuncie, IN	Indiana
16	James Kickland, D.C.Atlantic, IA	Iowa
17	Timothy Price, DCSpokane, WA	Washington
18	Wayne Schmidt, D.C.Ashland, OH	Ohio

Adjacent specialties in the NUCC Health Care Provider Taxonomy.

Sports Physician Chiropractor

2,085 providers

Rehabilitation Chiropractor

1,824 providers

Nutrition Chiropractor

1,090 providers

Orthopedic Chiropractor

896 providers

Neurology Chiropractor

779 providers

Compare Chiropractor vs Sports Physician Chiropractor →

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Frequently Asked Questions

How many Chiropractor providers are in the US?

There are 95,504 Chiropractor providers registered in the CMS NPPES database across 56 US states and territories. California has the most with 11,464 providers. Leading metros include Houston, TX; Chicago, IL; Portland, OR; Dallas, TX. Among 690 NUCC specialties, this code ranks 21st by headcount.

Do Chiropractor clinicians appear in Open Payments?

CMS Open Payments 2024 lists 1,630 Chiropractor physicians receiving industry payments totaling $602K (5,821 payments; average $369 per paid physician, 400th of 552 specialties by average). Presence in Open Payments is not a quality judgment.

How much Part D prescribing does this specialty do?

Among Chiropractor NPIs, 303 appear in the Medicare Part D Prescriber PUF (average 824 claims and $82K drug cost per prescriber; 183rd 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.