Lawrence Ma, MD
Pediatrics Physician · Palo Alto, CA
Lawrence Ma, MD is a pediatrics physician with a practice address in Palo Alto, California, and NPI 1487941696, issued on Jul 8, 2011. Check the license (California A122325, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence Ma
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A122325 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Jul 8, 2011
- Record last updated
- May 6, 2025
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Lawrence Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.8 times the Medicare Part D claims of the average pediatrics physician in 2024
3,302 Medicare Part D claims for 269 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 166 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Amlodipine Besylate227 claims
- Losartan Potassium136 claims
- Levothyroxine Sodium119 claims
- Metoprolol Succinate86 claims
- Rosuvastatin Calcium73 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.
Lawrence Ma among 9,272 pediatrics physician records in California
Lawrence Ma, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
321 pediatrics physician records list a practice address in Palo Alto
They are 321 of the 7,617 NPPES records with a practice address in Palo Alto, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Palo Alto → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Morissa Cohen, MDPalo Alto, CA 943041376599621
- Amy Conrad, MDPalo Alto, CA 943041346225653
- Allen Eskenazi, M.D.Palo Alto, CA 943041487658332
- Erin Holsinger, M.D.Palo Alto, CA 943041003817347
- Irene Jun, MDPalo Alto, CA 943041578528733
- Monica Kenney, MDPalo Alto, CA 943041023082377
- Andrew Lan, MDPalo Alto, CA 943041407813678
- Jeffrey Min, M.D.Palo Alto, CA 943041588621759
Common questions
What is Lawrence Ma, MD's NPI number?
Lawrence Ma, MD's National Provider Identifier (NPI) is 1487941696, issued on Jul 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Ma, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Ma, MD's license?
NPPES lists California license number A122325, 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 Ma, MD prescribe under Medicare Part D?
In 2024, Lawrence Ma, MD had 3,302 Medicare Part D claims for 269 beneficiaries; the average among pediatrics physician prescribers was 375. 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.