Nouneh O. Danielyan, M.D.
Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Nouneh O. Danielyan, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1871520726, issued on Jun 27, 2006. Check the license (California A63520, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nouneh O. Danielyan
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A63520 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5220 Santa Monica Blvd, Los Angeles, CA 90029
- Phone
- (323) 913-9300
- Enumerated
- Jun 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (323) 660-9723
- Medicaid ID
- 00A635200 CA
- Medicare enrollment
- Enrolled (PECOS I20040131000245); accepts Medicare assignment
- 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 5220 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Karapetian, M.D.Geriatric Medicine (Internal Medicine) Physician1750312427
- Lusik Varakian, M.D.Specialist1750324372
Verify Nouneh O. Danielyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.5 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
35,889 Medicare Part D claims for 564 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 246 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium2,224 claims
- Metoprolol Succinate2,025 claims
- Vascepa1,671 claims
- Atorvastatin Calcium1,480 claims
- Omeprazole1,407 claims
- Olmesartan-Hydrochlorothiazide1,259 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): 84.1 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
- Michael Y Karapetian MD Medical Clinic IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nouneh O. Danielyan among 532 geriatric medicine (internal medicine) physician records in California
Nouneh O. Danielyan, M.D. 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
- Graduated1980 · median 1999 among the 271 with a school on file
- Record last updated2007 · 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 Los Angeles → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Michael Karapetian, M.D.Los Angeles, CA 900291750312427
- Marcel Filart, MDLos Angeles, CA 900281396775474
- John Hoh, M.D.Los Angeles, CA 900271245384791
- James Templeman, M.D.Los Angeles, CA 900271497059216
- Seung Ho Choi, M.D.Los Angeles, CA 900261932145992
- Jo Pullen, MDLos Angeles, CA 900261225005663
- Erwinn Martin Sistoza, M.D.Los Angeles, CA 900261285858530
- Andrew Chan, MDLos Angeles, CA 900331104975507
Common questions
What is Nouneh O. Danielyan, M.D.'s NPI number?
Nouneh O. Danielyan, M.D.'s National Provider Identifier (NPI) is 1871520726, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nouneh O. Danielyan, M.D. located?
The NPPES record lists a practice address at 5220 Santa Monica Blvd, Los Angeles, CA, 90029. Phone: (323) 913-9300. Providers update this record themselves, so call before visiting.
How can I verify Nouneh O. Danielyan, M.D.'s license?
NPPES lists California license number A63520, 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 Nouneh O. Danielyan, M.D. prescribe under Medicare Part D?
In 2024, Nouneh O. Danielyan, M.D. had 35,889 Medicare Part D claims for 564 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Nouneh O. Danielyan, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.1 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.