Thomas T. Lam, MD
Hospitalist Physician · Fresno, CA
Thomas T. Lam, MD is a hospitalist physician with a practice address in Fresno, California, and NPI 1609954437, issued on Nov 1, 2006. Check the license (California A82883, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas T. Lam
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A82883 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7300 N Fresno St, Fresno, CA 93720
- Phone
- (559) 448-4500
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A828830 CA
- Medicare enrollment
- Enrolled (PECOS I20041105000345); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 7300 N Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas T. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.5 times the Medicare Part D claims of the average hospitalist physician in 2024
2,850 Medicare Part D claims for 254 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Atorvastatin Calcium206 claims
- Famotidine153 claims
- Levothyroxine Sodium148 claims
- Amlodipine Besylate84 claims
- Lisinopril80 claims
- Metoprolol Tartrate78 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 IncFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas T. Lam among 3,099 hospitalist physician records in California
Thomas T. Lam, 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
- Graduated1994 · median 2010 among the 2,505 with a school on file
- Record last updated2021 · 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 Fresno → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Linet D'Morias, M.D.Fresno, CA 937201346414695
- Andreas Heller, MDFresno, CA 937201528066560
- Kenneth Latt, MDFresno, CA 937201043382864
- Eric Lin, MDFresno, CA 937201669550570
- Olga Mordvinova, MDFresno, CA 937201780762682
- Anand Nagrani, MDFresno, CA 937201114005923
- Chinnapa Nareddy, M.DFresno, CA 937201033140207
- Chinedum Nathan, MDFresno, CA 937201699853408
Common questions
What is Thomas T. Lam, MD's NPI number?
Thomas T. Lam, MD's National Provider Identifier (NPI) is 1609954437, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas T. Lam, MD located?
The NPPES record lists a practice address at 7300 N Fresno St, Fresno, CA, 93720. Phone: (559) 448-4500. Providers update this record themselves, so call before visiting.
How can I verify Thomas T. Lam, MD's license?
NPPES lists California license number A82883, 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 T. Lam, MD prescribe under Medicare Part D?
In 2024, Thomas T. Lam, MD had 2,850 Medicare Part D claims for 254 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.