Michael Tun Yin Lam, M.D. PH.D
Critical Care Medicine (Internal Medicine) Physician · San Diego, CA
Michael Tun Yin Lam, M.D. PH.D is a critical care medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1578974259, issued on May 15, 2014. Check the license (California A141055, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Tun Yin Lam
- Credential
- M.D. PH.D
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A141055 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- May 15, 2014
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (888) 539-8781
- Medicare enrollment
- Enrolled (PECOS I20180626000889); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison A'Court, MDAnesthesiology Physician1912218199
- Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
- Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
- Joseph Abdelmalek, M.DNephrology Physician1740485531
- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Michael Tun Yin Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Tun Yin Lam among 723 critical care medicine (internal medicine) physician records in California
Michael Tun Yin Lam, M.D. PH.D is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2014 · median 2005 among the 559 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in San Diego → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Kamyar Afshar, D.O.San Diego, CA 921031407050669
- Nasrollah Ahmadpour, M.D.San Diego, CA 921031548475213
- Leland Beggs, M.D.San Diego, CA 921031447228267
- Adnan Begovic, M.D.San Diego, CA 921031093791014
- Moises Carpio, M.D., FCCP, CHCQMSan Diego, CA 921031235150871
- Wael El Maraachli, MDSan Diego, CA 921031366468969
- Sam Eljammal, M.D.San Diego, CA 921031669604310
- Phillip Factor, D.O.San Diego, CA 921031861565392
Common questions
What is Michael Tun Yin Lam, M.D. PH.D's NPI number?
Michael Tun Yin Lam, M.D. PH.D's National Provider Identifier (NPI) is 1578974259, issued on May 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael Tun Yin Lam, M.D. PH.D located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Michael Tun Yin Lam, M.D. PH.D's license?
NPPES lists California license number A141055, 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.
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.