Fen Liang, M.D.
Internal Medicine Physician · Santa Barbara, CA
Fen Liang, M.D. is an internal medicine physician with a practice address in Santa Barbara, California, and NPI 1780843953, issued on Jun 3, 2008. Check the license (California A124673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Fen Liang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A124673 CA
47048 TN
Self-reported in NPPES; status is on the state search - Practice location
- 314 E Carrillo St, Santa Barbara, CA 93101
- Phone
- (805) 886-4370
- Enumerated
- Jun 3, 2008
- Entity
- Type 1 · individual
Verify Fen Liang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
8,198 Medicare Part D claims for 840 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 135 claims were for opioids.
Most prescribed
- Levothyroxine Sodium530 claims
- Atorvastatin Calcium458 claims
- Lisinopril381 claims
- Losartan Potassium328 claims
- Simvastatin297 claims
- Amlodipine Besylate245 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 Medicare quality score for 2023: 22.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,902.25
73 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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
- Family Practice Medical GroupSanta Barbara, 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.
140 internal medicine physician records list a Santa Barbara practice address
They are 140 of the 5,328 NPPES records with a Santa Barbara practice address, and 20,403 internal medicine physician records in California.
All 140 in Santa Barbara → All 20,403 in California → Every provider in Santa Barbara →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Fen Liang, M.D.'s NPI number?
Fen Liang, M.D.'s National Provider Identifier (NPI) is 1780843953, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Fen Liang, M.D. located?
The NPPES record lists a practice address at 314 E Carrillo St, Santa Barbara, CA, 93101. Phone: (805) 886-4370. Providers update this record themselves, so call before visiting.
How can I verify Fen Liang, M.D.'s license?
NPPES lists California license number A124673, 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 Fen Liang, M.D. prescribe under Medicare Part D?
In 2024, Fen Liang, M.D. had 8,198 Medicare Part D claims for 840 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Fen Liang, M.D.'s Medicare quality score?
The 2023 MIPS final score is 22.7 of 100. 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.