Margaret Stein, MD
NPI 1841942901 · Internal Medicine Physician · Beverly Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Stein, MD is a Internal Medicine Physician provider in Beverly Hills, CA (NPI 1841942901).
Provider details
- NPI number
- 1841942901
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A45624 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 117 | 41 |
| Lisinopril | 45 | 19 |
| Metformin Hcl | 39 | 20 |
| Amlodipine Besylate | 38 | 16 |
| Losartan Potassium | 34 | 11 |
| Omeprazole | 28 | — |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 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
- 2022-01-20
- Last updated
- 2022-01-20
- Certified
- 2022-01-10
Frequently asked questions
- What is Margaret Stein's NPI number?
- Margaret Stein's National Provider Identifier (NPI) is 1841942901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Stein's specialty?
- Margaret Stein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Stein located?
- Margaret Stein's practice location on file with NPPES is 99 N La Cienega Blvd Ste 200, Beverly Hills, CA 90211-2285.
- What is Margaret Stein's phone number?
- The practice phone number listed in the NPPES registry for Margaret Stein is (310) 657-9353.
- Does Margaret Stein accept Medicare?
- Margaret Stein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Stein's NPI active?
- Yes — Margaret Stein's NPI (1841942901) is active in the NPPES registry as of the last update on 2022-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.