Reproductive Endocrinology Physician
NUCC 207VE0102X · Obstetrics & Gynecology
1,468 CMS NPPES-registered providers across 47 states · 228th of 690 specialties by headcount.
Where this specialty sits in the corpus
Reproductive Endocrinology Physician ranks 228th of 690 NUCC specialties by CMS NPPES headcount (0.02% of all registered NPIs), densest in California; per resident District of Columbia leads.
- 1,468
- NPPES providers in specialty
- 228th
- of 690 specialties
- 611
- state-share HHI
- 18.4%
- Part D prescriber share
District of Columbia is densest per capita (2.7× the national rate; Connecticut 2.5×); 2.6% of the Obstetrics & Gynecology category.
Taxonomy fingerprint
Reproductive Endocrinology Physician (NUCC 207VE0102X; 18.4% Part D prescribers (270 of 1,468); avg 118 Part D claims/prescriber (481st of 572); Open Payments avg $1K/physician (237th of 551; 844 paid, $1.1M total); state-share HHI 611; next-larger headcount neighbor Hematology (Internal Medicine) Physician (+15); next-smaller Pediatric Nutrition Registered Dietitian (-7)).
Next larger: Hematology (Internal Medicine) Physician (1,483) Next smaller: Pediatric Nutrition Registered Dietitian (1,461)
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 2.7× · 1.2/100k
- Connecticut 2.5× · 1.1/100k
- Rhode Island 2.3× · 1/100k
- New York 2.1× · 0.9/100k
- Massachusetts 1.7× · 0.8/100k
Under-indexed vs national rate
- Puerto Rico 0.36× · 0.2/100k
- Mississippi 0.39× · 0.2/100k
- Iowa 0.43× · 0.2/100k
- Oregon 0.44× · 0.2/100k
- Arizona 0.50× · 0.2/100k
Which states have the most providers?
| # | State | Providers |
|---|---|---|
| 1 | California | 220 |
| 2 | New York | 176 |
| 3 | Texas | 113 |
| 4 | Florida | 85 |
| 5 | New Jersey | 69 |
| 6 | Illinois | 68 |
| 7 | Pennsylvania | 62 |
| 8 | Massachusetts | 53 |
| 9 | Georgia | 46 |
| 10 | Ohio | 42 |
| 11 | North Carolina | 41 |
| 12 | Virginia | 40 |
| 13 | Connecticut | 39 |
| 14 | Maryland | 36 |
| 15 | Michigan | 27 |
Top Cities for Reproductive Endocrinology Physician
| # | City | Providers |
|---|---|---|
| 1 | New YorkNew York | 101 |
| 2 | Los AngelesCalifornia | 32 |
| 3 | AtlantaGeorgia | 31 |
| 4 | HoustonTexas | 28 |
| 5 | ChicagoIllinois | 27 |
| 6 | Basking RidgeNew Jersey | 25 |
| 7 | CharlotteNorth Carolina | 18 |
| 8 | DallasTexas | 17 |
| 9 | San DiegoCalifornia | 16 |
| 10 | San FranciscoCalifornia | 15 |
| 11 | PhiladelphiaPennsylvania | 15 |
| 12 | GlenviewIllinois | 12 |
Sample Reproductive Endocrinology Physician NPIs
A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.
| # | Provider |
|---|---|
| 1 | George Grunert, M.D.Houston, TX |
| 2 | Randall Dunn, M.D.Houston, TX |
| 3 | Dan Gehlbach, M.D.Olathe, KS |
| 4 | Michael Grossman, MDLatham, NY |
| 5 | Nathaniel Zoneraich, MDScottsdale, AZ |
| 6 | Leah Schenk, M.D.Houston, TX |
| 7 | Cecilia Valdes, M.D.Houston, TX |
| 8 | Donald Young, D.O.Clive, IA |
| 9 | Dorothy Roach, M.D.Shenandoah, TX |
| 10 | Peter Uzelac, M.D.Greenbrae, CA |
| 11 | Michael Sullivan, M.D.Snyder, NY |
| 12 | Kent Crickard, M.D.Snyder, NY |
| 13 | Donald Maier, MDFarmington, CT |
| 14 | Fayek Shamma, MDBloomfield Hills, MI |
| 15 | Joseph Martin, MDSan Antonio, TX |
| 16 | V. Joseph Karnitis, M.D.Kettering, OH |
| 17 | Gregory Neal, MDSan Antonio, TX |
| 18 | Keith Hansen, M.D.Sioux Falls, SD |
Related Specialties
Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Obstetrics & Gynecology category.
Compare Reproductive Endocrinology Physician vs Obstetrics & Gynecology Physician →
Frequently Asked Questions
Where does the large Reproductive Endocrinology Physician headcount concentrate?
How large is Reproductive Endocrinology Physician's Open Payments footprint?
How heavy is Reproductive Endocrinology Physician Part D prescribing at scale?
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.