Thomas M. Chang, MD
Hospitalist Physician · Manteca, CA
Thomas M. Chang, MD is a hospitalist physician with a practice address in Manteca, California, and NPI 1205908035, issued on Nov 15, 2006. Check the license (California A92634, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas M. Chang
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A92634 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1721 W Yosemite Ave, Manteca, CA 95337
- Phone
- (209) 476-2000
- Enumerated
- Nov 15, 2006
- Record last updated
- Jan 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20061229000308); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1721 W Yosemite Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Allen, MDInternal Medicine Physician1306924212
- Poonam Arora, MDFamily Medicine Physician1366582892
- Edmon ArtinyanHealth Psychologist1578030953
- Barbara Bauer, MDFamily Medicine Physician1053499947
Verify Thomas M. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92634Check 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 hospitalist physician in 2024
417 Medicare Part D claims for 164 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide41 claims
- Atorvastatin Calcium20 claims
- Cefpodoxime Proxetil19 claims
- Jardiance18 claims
- Losartan Potassium17 claims
- Metoprolol Tartrate17 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
- Permanente Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas M. Chang among 3,099 hospitalist physician records in California
Thomas M. Chang, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1991 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 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 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Manteca → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Thailai Huynh, MDManteca, CA 953371508918574
- Tint Lwin, MDManteca, CA 953371497833990
- Brijinder Oberai, MDManteca, CA 953371063590966
- David Quach, MDManteca, CA 953371851479331
- Gerald Santos, MDManteca, CA 953371336213651
- Rohit Arora, DOLivingston, CA 953341154717213
- Lloyd Panjikaran, MDMerced, CA 953401609372341
- Zohra Salehi, M.D.Merced, CA 953401477993582
Common questions
What is Thomas M. Chang, MD's NPI number?
Thomas M. Chang, MD's National Provider Identifier (NPI) is 1205908035, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas M. Chang, MD located?
The NPPES record lists a practice address at 1721 W Yosemite Ave, Manteca, CA, 95337. Phone: (209) 476-2000. Providers update this record themselves, so call before visiting.
How can I verify Thomas M. Chang, MD's license?
NPPES lists California license number A92634, 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 Thomas M. Chang, MD prescribe under Medicare Part D?
In 2024, Thomas M. Chang, MD had 417 Medicare Part D claims for 164 beneficiaries; the average among hospitalist physician prescribers was 521. 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.