Sonja Louisa Rosen, MD
Geriatric Medicine (Internal Medicine) Physician · Beverly Hills, CA
Sonja Louisa Rosen, MD is a geriatric medicine (internal medicine) physician with a practice address in Beverly Hills, California, and NPI 1619997806, issued on Jul 20, 2006. Check the license (California A82821, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sonja Louisa Rosen
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A82821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 N Robertson Blvd, Beverly Hills, CA 90211
- Phone
- (310) 385-3511
- Enumerated
- Jul 20, 2006
- Record last updated
- Oct 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (310) 385-3229
- Medicaid ID
- 00A828210 CA
- Medicare enrollment
- Enrolled (PECOS I20050930000854); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 250 N Robertson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexa Andraos, PHARMDAmbulatory Care Pharmacist1073145488
- John Andraos, PHARM.D.Ambulatory Care Pharmacist1033741442
- Karine Azizian, PHARMDPharmacotherapy Pharmacist1801891544
- Tyra BeaversChiropractor1336106889
- Natasha Boghosian, D.D.S.Dentist1114132925
- James Caplan, M.D.Pulmonary Disease Physician1992717037
Verify Sonja Louisa Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,617 Medicare Part D claims for 419 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 60 claims were for opioids.
Most prescribed
- Amlodipine Besylate261 claims
- Atorvastatin Calcium232 claims
- Levothyroxine Sodium204 claims
- Rosuvastatin Calcium166 claims
- Olmesartan Medoxomil107 claims
- Losartan Potassium106 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sonja Louisa Rosen among 532 geriatric medicine (internal medicine) physician records in California
Sonja Louisa Rosen, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2001 · median 1999 among the 271 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Beverly Hills → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Geetha Rao, MDBeverly Hills, CA 902111407983950
- Elizabeth Whiteman, MDBeverly Hills, CA 902111952321044
- Yvonne Battiste, RNEast Rancho Dominguez, CA 902211255208641
- Jose Lara, M.D.Bell, CA 902011801935622
- Michael Wang, M.D.Bell, CA 902011538253802
- Linda Hsu, MDDowney, CA 902421679682876
- Sarah Olelewe, M.D.Hawthorne, CA 902501689754665
- Deborah Rightmier, MDRancho Palos Verdes, CA 902751558343491
Common questions
What is Sonja Louisa Rosen, MD's NPI number?
Sonja Louisa Rosen, MD's National Provider Identifier (NPI) is 1619997806, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sonja Louisa Rosen, MD located?
The NPPES record lists a practice address at 250 N Robertson Blvd, Beverly Hills, CA, 90211. Phone: (310) 385-3511. Providers update this record themselves, so call before visiting.
How can I verify Sonja Louisa Rosen, MD's license?
NPPES lists California license number A82821, 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 Sonja Louisa Rosen, MD prescribe under Medicare Part D?
In 2024, Sonja Louisa Rosen, MD had 3,617 Medicare Part D claims for 419 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Sonja Louisa Rosen, MD's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.