Genetic Counselor (M.S.)

Compiled from official public sources by the editorial process. · Updated August 2026

NUCC 170300000X · Genetic Counselor, MS

6,577 CMS NPPES-registered providers across 52 states · 116th of 690 specialties by headcount.

6,577

Providers

CMS NPPES-registered

States

with ≥1 NPI

California

Top state

945 providers

$342

Open Pay avg

411th of 551 specialties

Where this specialty sits in the corpus

Genetic Counselor (M.S.) ranks 116th of 690 NUCC specialties by CMS NPPES headcount (0.09% of all registered NPIs), densest in California; per resident District of Columbia leads.

6,577
NPPES providers in specialty: 116th
of 690 specialties: 491
state-share HHI: 0.1%
Part D prescriber share

District of Columbia is densest per capita (4.2× the national rate; Delaware 2.4×); 100% of the Genetic Counselor, MS category.

Taxonomy fingerprint

Genetic Counselor (M.S.) (NUCC 170300000X; 0.1% Part D prescribers (6 of 6,577); avg 874 Part D claims/prescriber (183rd of 572); Open Payments avg $342/physician (411th of 551; 7 paid, $2K total); state-share HHI 491; next-larger headcount neighbor Naturopath (+185); next-smaller Pediatric Physical Therapist (-16)).

Next larger: Naturopath (6,762) Next smaller: Pediatric Physical Therapist (6,561)

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

District of Columbia 4.2× · 8.2/100k
Delaware 2.4× · 4.7/100k
Minnesota 2× · 3.9/100k
Massachusetts 2× · 3.9/100k
Utah 1.9× · 3.7/100k

Under-indexed vs national rate

Mississippi 0.12× · 0.2/100k
Alabama 0.16× · 0.3/100k
West Virginia 0.29× · 0.6/100k
Kansas 0.33× · 0.6/100k
Oklahoma 0.34× · 0.7/100k

Which states have the most providers?

#	State	Providers	% of specialty
1	California	945	14.4%
2	Pennsylvania	433	6.6%
3	New York	392	6.0%
4	Texas	345	5.2%
5	Ohio	339	5.2%
6	Massachusetts	275	4.2%
7	Illinois	272	4.1%
8	Florida	239	3.6%
9	Minnesota	226	3.4%
10	North Carolina	222	3.4%
11	Washington	219	3.3%
12	Michigan	193	2.9%
13	Wisconsin	187	2.8%
14	Georgia	166	2.5%
15	Maryland	163	2.5%

Top Cities for Genetic Counselor (M.S.)

#	City	Providers
1	PhiladelphiaPennsylvania	201
2	BostonMassachusetts	200
3	Los AngelesCalifornia	161
4	ChicagoIllinois	157
5	New YorkNew York	148
6	HoustonTexas	140
7	SeattleWashington	129
8	San FranciscoCalifornia	126
9	IndianapolisIndiana	103
10	MinneapolisMinnesota	102
11	ColumbusOhio	101
12	AtlantaGeorgia	91

Sample Genetic Counselor (M.S.) NPIs

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

#	Provider	State
1	Leslie Brown-Aptekar, M.S., C.G.CBrooklyn, NY	New York
2	Ann Walker, M.A., CGCOrange, CA	California
3	Rebecca Hulinsky, MSSalt Lake City, UT	Utah
4	Teresa Blake, M.S.Knoxville, TN	Tennessee
5	Maryann Campion, ED.D., M.S., C.G.C.Stanford, CA	California
6	Lael HindsSpokane, WA	Washington
7	Susie Ball, M.S.Yakima, WA	Washington
8	Patricia Cooper, PHDWalla Walla, WA	Washington
9	Robert Resta, M.S., C.G.C.Seattle, WA	Washington
10	Jessica Douglas, MSWorcester, MA	Massachusetts
11	Kira Dies, SCMBoston, MA	Massachusetts
12	Jessica Mester, M.S.Cleveland, OH	Ohio
13	Jessie Hastings, M.S.Boston, MA	Massachusetts
14	Carolee Noonan, LGCWorthington, OH	Ohio
15	Jessica Greenberg, M.S.Minneapolis, MN	Minnesota
16	Dawn Peck, M.S., C.G.CColumbia, MO	Missouri
17	Patricia Allinson, M.S., C.G.C.Charlottesville, VA	Virginia
18	Barbara Szlendakova, M.S.Milwaukee, WI	Wisconsin

All specialties · Specialty rankings

Frequently Asked Questions

Where does the large Genetic Counselor (M.S.) headcount concentrate?

6,577 Genetic Counselor (M.S.) NPIs span 52 states; California alone holds 945. Top metros include Philadelphia, PA; Boston, MA; Los Angeles, CA; Chicago, IL. Nationally this is 116th of 690 NUCC codes.

How large is Genetic Counselor (M.S.)'s Open Payments footprint?

CMS Open Payments 2024 lists 7 Genetic Counselor (M.S.) physicians totaling $2K (101 payments; average $342, 411th of 551). Presence in Open Payments is not a quality judgment.

How heavy is Genetic Counselor (M.S.) Part D prescribing at scale?

Among Genetic Counselor (M.S.) NPIs, 6 appear in the Medicare Part D Prescriber PUF (average 874 claims and $107K drug cost per prescriber; 183rd of 572 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 2026-08-27.