Rebecca Margulies, MD
NPI 1124148937 · Gynecology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Margulies, MD is a Gynecology Physician provider in Oakland, CA (NPI 1124148937).
Provider details
- NPI number
- 1124148937
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A103240 (CA)
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirabegronbrand: Myrbetriq | 72 | 31 |
| Methenamine Hippurate | 61 | 22 |
| Estradiol | 50 | 33 |
| Estradiolbrand: Estring | 50 | 20 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 46 | 34 |
| Cephalexin | 42 | 22 |
| Ciprofloxacin Hcl | 30 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 2 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
- 2007-03-29
- Last updated
- 2021-12-14
Frequently asked questions
- What is Rebecca Margulies's NPI number?
- Rebecca Margulies's National Provider Identifier (NPI) is 1124148937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Margulies's specialty?
- Rebecca Margulies is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Margulies located?
- Rebecca Margulies's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Rebecca Margulies's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Margulies is (510) 752-1000.
- Does Rebecca Margulies accept Medicare?
- Rebecca Margulies is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Margulies's NPI active?
- Yes — Rebecca Margulies's NPI (1124148937) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.