Lawrence A. May, M.D.
Internal Medicine Physician · Tarzana, CA
Lawrence A. May, M.D. is an internal medicine physician with a practice address in Tarzana, California, and NPI 1487743787, issued on Oct 12, 2006. Check the license (California G36103, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence A. May
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G36103 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Etiwanda Ave, Tarzana, CA 91356
- Phone
- (818) 344-0200
- Enumerated
- Oct 12, 2006
- Record last updated
- May 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (818) 344-0990
- Medicare enrollment
- Enrolled (PECOS I20100428000730); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1974
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 5525 Etiwanda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darryl Ballin, M.D.,INCInternal Medicine Physician1922174192
- Shlomit Bercovich, PTPhysical Therapist1003138496
- Yaara Berdan, DDSEndodontics1336151877
- Richard Cain, MDCardiovascular Disease Physician1932294865
- Marc Cohen, M.D.Otolaryngology Physician1962632547
- Samuel Elias, M.D.Internal Medicine Physician1982684023
Verify Lawrence A. May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36103Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average internal medicine physician in 2024
5,031 Medicare Part D claims for 320 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 109 claims were for opioids.
Most prescribed
- Atorvastatin Calcium478 claims
- Rosuvastatin Calcium358 claims
- Alprazolam170 claims
- Metformin Hcl150 claims
- Levothyroxine Sodium128 claims
- Metoprolol Succinate123 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.
The MIPS final score for 2023 (Medicare payment program): 6.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $303.48
12 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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
- Lawrence A. May, MD, Inc.Tarzana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence A. May among 17,696 internal medicine physician records in California
Lawrence A. May, 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 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
- Graduated1974 · median 2004 among the 11,065 with a school on file
- Record last updated2010 · 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).
41 internal medicine physician records list a practice address in Tarzana
They are 41 of the 2,122 NPPES records with a practice address in Tarzana, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Tarzana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Abrams, M.D.Tarzana, CA 913561881690865
- Kevin Berger, M.D.Tarzana, CA 913561972522704
- Samuel Elias, M.D.Tarzana, CA 913561982684023
- Azita Fakheri, MDTarzana, CA 913561669410270
- Jeffrey Galpin, M.D.Tarzana, CA 913561386679561
- David Grossman, M.D.Tarzana, CA 913561700843117
- Robert Kayland, M.D.Tarzana, CA 913561871558031
- Gerald Kovar, M.D.Tarzana, CA 913561306883699
Common questions
What is Lawrence A. May, M.D.'s NPI number?
Lawrence A. May, M.D.'s National Provider Identifier (NPI) is 1487743787, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence A. May, M.D. located?
The NPPES record lists a practice address at 5525 Etiwanda Ave, Tarzana, CA, 91356. Phone: (818) 344-0200. Providers update this record themselves, so call before visiting.
How can I verify Lawrence A. May, M.D.'s license?
NPPES lists California license number G36103, 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 Lawrence A. May, M.D. prescribe under Medicare Part D?
In 2024, Lawrence A. May, M.D. had 5,031 Medicare Part D claims for 320 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Lawrence A. May, M.D.'s MIPS final score?
The 2023 MIPS final score is 6.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.