Phoebe Yi-Hsi Chen, M.D.
Internal Medicine Physician · San Luis Obispo, CA
Phoebe Yi-Hsi Chen, M.D. is an internal medicine physician with a practice address in San Luis Obispo, California, and NPI 1528163870, issued on Sep 13, 2006. Check the license (California A75086, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Phoebe Yi-Hsi Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A75086 CA
Self-reported in NPPES; status is on the state search - Practice location
- 892 Aerovista PL Ste 210, San Luis Obispo, CA 93401
- Phone
- (805) 549-8023
- Enumerated
- Sep 13, 2006
- Record last updated
- Mar 30, 2023
- Fax
- (805) 221-3299
- Medicaid ID
- 00AX67680 CA
- Medicare enrollment
- Enrolled (PECOS I20040615000713); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 892 Aerovista PL Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amanda ShrewsburyGenetic Counselor (M.S.)1013609718
Verify Phoebe Yi-Hsi Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,546 Medicare Part D claims for 418 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 18 claims were for opioids.
Most prescribed
- Levothyroxine Sodium173 claims
- Atorvastatin Calcium144 claims
- Losartan Potassium130 claims
- Amlodipine Besylate114 claims
- Rosuvastatin Calcium109 claims
- Lisinopril75 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): 86.1 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).
Industry payments in 2024: $93.66
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
41 internal medicine physician records list a practice address in San Luis Obispo
They are 41 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 17,696 internal medicine physician records in California.
All 41 in San Luis Obispo → All 17,696 in California → Every provider in San Luis Obispo →
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 Phoebe Yi-Hsi Chen, M.D.'s NPI number?
Phoebe Yi-Hsi Chen, M.D.'s National Provider Identifier (NPI) is 1528163870, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phoebe Yi-Hsi Chen, M.D. located?
The NPPES record lists a practice address at 892 Aerovista PL Ste 210, San Luis Obispo, CA, 93401. Phone: (805) 549-8023. Providers update this record themselves, so call before visiting.
How can I verify Phoebe Yi-Hsi Chen, M.D.'s license?
NPPES lists California license number A75086, 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 Phoebe Yi-Hsi Chen, M.D. prescribe under Medicare Part D?
In 2024, Phoebe Yi-Hsi Chen, M.D. had 2,546 Medicare Part D claims for 418 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Phoebe Yi-Hsi Chen, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.