Troy Thoai Lam, MD
Internal Medicine Physician · Mountain View, CA
Troy Thoai Lam, MD is an internal medicine physician with a practice address in Mountain View, California, and NPI 1033293337, issued on Oct 24, 2006. Check the license (California A70538, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Troy Thoai Lam
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A70538 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Grant RD, Mountain View, CA 94040
- Phone
- (650) 374-0001
- Enumerated
- Oct 24, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 364-3351
- Medicaid ID
- 00A705380 CA
- Medicare enrollment
- Enrolled (PECOS I20051130000373); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2500 Grant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yolande AbotchiMedical-Surgical Registered Nurse1306733902
- Mohanad AlazzehEmergency Medicine Physician1285253799
- Clarence Allegakoen, M.D.Internal Medicine Physician1205909637
- Katrina BarnettEmergency Medicine Physician1952314510
- Victoria Bartret, M.D.Emergency Medicine Physician1508200890
- Philippe Begin, M.D.Allergy & Immunology Physician1386065902
Verify Troy Thoai Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
216 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil17 claims
- Cefdinir12 claims
- Pantoprazole Sodium12 claims
- Hydrocodone-Acetaminophen11 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.
Troy Thoai Lam among 17,696 internal medicine physician records in California
Troy Thoai Lam, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Mountain View
They are 119 of the 2,467 NPPES records with a practice address in Mountain View, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Mountain View → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ravin Agah, M.D.Mountain View, CA 940401528075017
- Galina Balon, MDMountain View, CA 940401114932571
- Barbara Campbell, M.D.Mountain View, CA 940401679597405
- Steven Carlson, MDMountain View, CA 940401902813496
- Dean Cummings, MDMountain View, CA 940401265454029
- Vivien D'Andrea, MDMountain View, CA 940401760497135
- Francis Garrett, MDMountain View, CA 940401295799724
- David Kaufman, MDMountain View, CA 940401720013782
Common questions
What is Troy Thoai Lam, MD's NPI number?
Troy Thoai Lam, MD's National Provider Identifier (NPI) is 1033293337, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Troy Thoai Lam, MD located?
The NPPES record lists a practice address at 2500 Grant RD, Mountain View, CA, 94040. Phone: (650) 374-0001. Providers update this record themselves, so call before visiting.
How can I verify Troy Thoai Lam, MD's license?
NPPES lists California license number A70538, 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 Troy Thoai Lam, MD prescribe under Medicare Part D?
In 2024, Troy Thoai Lam, MD had 216 Medicare Part D claims for 103 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.