Tammy Gruenberg, M.D.
NPI 1205994324 · Obstetrics & Gynecology Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Gruenberg, M.D. is a Obstetrics & Gynecology Physician provider in Bronx, NY (NPI 1205994324).
Provider details
- NPI number
- 1205994324
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 201227 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 67 | 26 |
| Clobetasol Propionate | 53 | — |
| Valacyclovir Hclbrand: Valacyclovir | 27 | — |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 14 | — |
| Estradiol/Norethindrone Acetbrand: Estradiol-Norethindrone Acetat | 13 | — |
| Emtricitabine/Tenofovir (tdf)brand: Truvada | 13 | — |
| Metronidazole | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2012-04-04
Frequently asked questions
- What is Tammy Gruenberg's NPI number?
- Tammy Gruenberg's National Provider Identifier (NPI) is 1205994324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Gruenberg's specialty?
- Tammy Gruenberg is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Gruenberg located?
- Tammy Gruenberg's practice location on file with NPPES is 70 W Burnside Ave, Bronx, NY 10453-4016.
- What is Tammy Gruenberg's phone number?
- The practice phone number listed in the NPPES registry for Tammy Gruenberg is (718) 483-1270.
- Does Tammy Gruenberg accept Medicare?
- Tammy Gruenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Gruenberg's NPI active?
- Yes — Tammy Gruenberg's NPI (1205994324) is active in the NPPES registry as of the last update on 2012-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.