Eva Cwynar, MD
Endocrinology, Diabetes & Metabolism Physician · Beverly Hills, CA
Eva Cwynar, MD is an endocrinology, diabetes & metabolism physician with a practice address in Beverly Hills, California, and NPI 1558487835, issued on Mar 21, 2007. Check the license (California A47799, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eva Cwynar
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A47799 CA
Self-reported in NPPES; status is on the state search - Practice location
- 465 NO Roxbury Dr 733, Beverly Hills, CA 90210
- Phone
- (310) 271-5438
- Enumerated
- Mar 21, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 271-5438
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Eva Cwynar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A47799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
524 Medicare Part D claims for 46 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Synthroid63 claims
- Tirosint36 claims
- Mounjaro30 claims
- Trazodone Hcl22 claims
- Alprazolam19 claims
- Armour Thyroid17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,109.43
58 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Eva Cwynar among 1,131 endocrinology, diabetes & metabolism physician records in California
Eva Cwynar, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Beverly Hills → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- David Aftergood, MDBeverly Hills, CA 902111639259328
- Dina Block, M.D.Beverly Hills, CA 902111497996318
- Pejman Cohan, M.D.Beverly Hills, CA 902111225064884
- Sanaa Deshmukh, MDBeverly Hills, CA 902111396057147
- Oona Khan, M.D.Beverly Hills, CA 902111023020286
- Natasha Malkani, MDBeverly Hills, CA 902111366963472
- Stewart Middler, M.D.Beverly Hills, CA 902111053323105
- Lisa Moore, M.D.Beverly Hills, CA 902111386801710
Common questions
What is Eva Cwynar, MD's NPI number?
Eva Cwynar, MD's National Provider Identifier (NPI) is 1558487835, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Eva Cwynar, MD located?
The NPPES record lists a practice address at 465 NO Roxbury Dr 733, Beverly Hills, CA, 90210. Phone: (310) 271-5438. Providers update this record themselves, so call before visiting.
How can I verify Eva Cwynar, MD's license?
NPPES lists California license number A47799, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eva Cwynar, MD prescribe under Medicare Part D?
In 2024, Eva Cwynar, MD had 524 Medicare Part D claims for 46 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.