Norman Chien, MD
Geriatric Medicine (Internal Medicine) Physician · Pasadena, CA
Norman Chien, MD is a geriatric medicine (internal medicine) physician with a practice address in Pasadena, California, and NPI 1184696999, issued on Feb 6, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Norman Chien
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- Practice location
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 229-9865
- Enumerated
- Feb 6, 2006
- Entity
- Type 1 · individual
Also registered at 625 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Heather Butler, MDDermatology Physician1417927419
- Jennie Chang, M.D.Obstetrics & Gynecology Physician1982668422
- Jennifer Chronis, M.D.Family Medicine Physician1598297954
- Gary Conrad, M.D.Hypertension Specialist Physician1669424271
Verify Norman Chien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
22% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,404 Medicare Part D claims for 259 beneficiaries, against an average of 4,420 among the 2,888 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 29 claims were for opioids.
Most prescribed
- Levothyroxine Sodium246 claims
- Atorvastatin Calcium188 claims
- Metformin Hcl150 claims
- Amlodipine Besylate136 claims
- Mirtazapine136 claims
- Tamsulosin Hcl135 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 Medicare quality score for 2023: 71.8 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).
Industry payments in 2024: $857.58
33 payments, mostly food and beverage; the largest payer was Vanda Pharmaceuticals Inc.. The 1,049 providers of this specialty with any payment received $1,935.44 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.
One hospital or facility affiliation
- Huntington Geriatric Medical GroupPasadena, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 498 geriatric medicine (internal medicine) physician records in California.
Other geriatric medicine (internal medicine) physician records in California
- Adil Abbasi, M.D.La Jolla, CA1548261316
- Shashidar Acharya, M.D.Orange, CA1770685521
- Pouya Afshar, M.D.San Diego, CA1184958977
- Parag Agnihotri, M.D.San Diego, CA1447351085
- Andreas Ahlas, M.D.Bakersfield, CA1326200833
- Waseem Ahmed, MDSanta Rosa, CA1386803559
- Paul AisenSan Diego, CA1669470753
- Mahmuda Alam, M.D.Glendale, CA1568659985
- Francis Allinson, MDLa Jolla, CA1679062707
- Anna Almonte, M.D., D.O.Sacramento, CA1104970946
Common questions
What is Norman Chien, MD's NPI number?
Norman Chien, MD's National Provider Identifier (NPI) is 1184696999, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Norman Chien, MD located?
The NPPES record lists a practice address at 625 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 229-9865. Providers update this record themselves, so call before visiting.
How can I verify Norman Chien, MD's license?
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 Norman Chien, MD prescribe under Medicare Part D?
In 2024, Norman Chien, MD had 5,404 Medicare Part D claims for 259 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.
What is Norman Chien, MD's Medicare quality score?
The 2023 MIPS final score is 71.8 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.