Pamela Lam, D.O.
Internal Medicine Physician · La Jolla, CA
Pamela Lam, D.O. is an internal medicine physician with a practice address in La Jolla, California, and NPI 1235540964, issued on May 15, 2014. Check the license (California 20A14238, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pamela Lam
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A14238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave Ste 900, La Jolla, CA 92037
- Phone
- (858) 626-7780
- Enumerated
- May 15, 2014
- Record last updated
- Dec 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171115002870); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 9850 Genesee Ave Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Pamela Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
266 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium14 claims
- Metformin Hcl14 claims
- Hydrocodone-Acetaminophen13 claims
- Famotidine12 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
- Ximed Hospitalists, Inc.La Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pamela Lam among 17,696 internal medicine physician records in California
Pamela Lam, D.O. 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 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).
158 internal medicine physician records list a practice address in La Jolla
They are 158 of the 3,648 NPPES records with a practice address in La Jolla, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in La Jolla → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Andrews, M.D.La Jolla, CA 920371588639876
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- Pooja Bhushan, MDLa Jolla, CA 920371730163551
- Pamila Brar, M.D.La Jolla, CA 920371013982602
- Annamaria Calabro, M.D.La Jolla, CA 920371508843244
- Bruce Covner, M.D.La Jolla, CA 920371720072192
- Neil Farber, MDLa Jolla, CA 920371043295363
- Shipra Khushu, M.D.La Jolla, CA 920371235118936
Common questions
What is Pamela Lam, D.O.'s NPI number?
Pamela Lam, D.O.'s National Provider Identifier (NPI) is 1235540964, issued on May 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Pamela Lam, D.O. located?
The NPPES record lists a practice address at 9850 Genesee Ave Ste 900, La Jolla, CA, 92037. Phone: (858) 626-7780. Providers update this record themselves, so call before visiting.
How can I verify Pamela Lam, D.O.'s license?
NPPES lists California license number 20A14238, 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 Pamela Lam, D.O. prescribe under Medicare Part D?
In 2024, Pamela Lam, D.O. had 266 Medicare Part D claims for 92 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.