Julie Lam, M.D.
Internal Medicine Physician · Sylmar, CA
Julie Lam, M.D. is an internal medicine physician with a practice address in Sylmar, California, and NPI 1144494659, issued on Apr 15, 2008. Check the license (California A109728, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Julie Lam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A109728 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Dr, Sylmar, CA 91342
- Phone
- (818) 364-3205
- Enumerated
- Apr 15, 2008
- Record last updated
- Feb 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110801000124); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 14445 Olive View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nasser Abdo, MDInternal Medicine Physician1306911649
- Gezman Abdullahi, M.D.Internal Medicine Physician1225394380
- Moyosore Abere, NPNurse Practitioner1225667314
- Ammini Abraham, MDAnesthesiology Physician1467531541
- Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
- Fredric Adler, MDInternal Medicine Physician1356376735
Verify Julie Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
720 Medicare Part D claims for 155 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
Most prescribed
- Amlodipine Besylate52 claims
- Losartan Potassium42 claims
- Atorvastatin Calcium41 claims
- Metformin Hcl41 claims
- Lisinopril25 claims
- Levothyroxine Sodium22 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.
Industry payments in 2024: $134.89
4 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- R. Ruiz MD A Professional CorporationMontebello, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie Lam among 17,696 internal medicine physician records in California
Julie Lam, M.D. 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 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).
102 internal medicine physician records list a practice address in Sylmar
They are 102 of the 1,454 NPPES records with a practice address in Sylmar, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sylmar → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fredric Adler, MDSylmar, CA 913421356376735
- Janet Au, MDSylmar, CA 913421932126570
- Peter Balingit, MDSylmar, CA 913421114952264
- Andrea Cooperman, MDSylmar, CA 913421326134560
- Basem Fanous, MDSylmar, CA 913421619072600
- Emil Heinze, MDSylmar, CA 913421720175052
- Miles Jakl, M.D.Sylmar, CA 913421992738306
- Luis Lovato, M.D.Sylmar, CA 913421407945678
Common questions
What is Julie Lam, M.D.'s NPI number?
Julie Lam, M.D.'s National Provider Identifier (NPI) is 1144494659, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Julie Lam, M.D. located?
The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (818) 364-3205. Providers update this record themselves, so call before visiting.
How can I verify Julie Lam, M.D.'s license?
NPPES lists California license number A109728, 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 Julie Lam, M.D. prescribe under Medicare Part D?
In 2024, Julie Lam, M.D. had 720 Medicare Part D claims for 155 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.