Zichun Feng, M.D.
Internal Medicine Physician · San Antonio, TX
Zichun Feng, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1700104031, issued on May 11, 2010. Check the license (Texas P2238, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zichun Feng
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P2238 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8811 Village Dr, San Antonio, TX 78217
- Phone
- (210) 297-6500
- Enumerated
- May 11, 2010
- Record last updated
- Jun 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20130809000331); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 8811 Village Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kayla Arias, APRN,FNP-BC,PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1235830589
- Dennis Bordes, MDEmergency Medicine Physician1477299428
- Suzanne Buck, PTPhysical Therapist1831312545
- Connor Byrne, MDEmergency Medicine Physician1972280212
- Margaret Clarke, APRNEmergency Clinical Nurse Specialist1336103373
- Shawn Connolly, DOEmergency Medicine Physician1164096772
Verify Zichun Feng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P2238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
516 Medicare Part D claims for 231 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 44 claims were for opioids.
Most prescribed
- Cefdinir29 claims
- Atorvastatin Calcium24 claims
- Amoxicillin-Clavulanate Potass22 claims
- Clopidogrel22 claims
- Tramadol Hcl22 claims
- Levofloxacin21 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.
Bills Medicare through one group practice
- Usacs Integrated Acute Care Services OF Texas, PLLCKerrville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zichun Feng among 9,175 internal medicine physician records in Texas
Zichun Feng, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Ajufo, M.D.San Antonio, TX 782171811220015
- Roy Bell, MDSan Antonio, TX 782171679532675
- Dante Escalante, M.D.San Antonio, TX 782171346321999
- Richard Ferguson, MDSan Antonio, TX 782171548215882
- John Brian Lim, MDSan Antonio, TX 782171265767768
- Cielo Manriquez, MDSan Antonio, TX 782171376595793
- Thilina Marasinghe, MDSan Antonio, TX 782171821160938
- Aatish Patel, MDSan Antonio, TX 782171376704684
Common questions
What is Zichun Feng, M.D.'s NPI number?
Zichun Feng, M.D.'s National Provider Identifier (NPI) is 1700104031, issued on May 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Zichun Feng, M.D. located?
The NPPES record lists a practice address at 8811 Village Dr, San Antonio, TX, 78217. Phone: (210) 297-6500. Providers update this record themselves, so call before visiting.
How can I verify Zichun Feng, M.D.'s license?
NPPES lists Texas license number P2238, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zichun Feng, M.D. prescribe under Medicare Part D?
In 2024, Zichun Feng, M.D. had 516 Medicare Part D claims for 231 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.