Steven Lawton, MD
Family Medicine Physician · San Francisco, CA
Steven Lawton, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1366486748, issued on Jun 15, 2006. Check the license (California 55182, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Lawton
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 55182 CA
MD00036910 WA
Self-reported in NPPES; status is on the state search - Practice location
- 580 Valencia St, San Francisco, CA 94110
- Phone
- (888) 663-6331
- Enumerated
- Jun 15, 2006
- Record last updated
- Mar 17, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20120725000370); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 580 Valencia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Martin Mass, M.D.Internal Medicine Physician1922013382
Verify Steven Lawton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 55182Check 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 family medicine physician in 2024
266 Medicare Part D claims for 51 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium23 claims
- Amlodipine Besylate18 claims
- Rosuvastatin Calcium18 claims
- Losartan Potassium16 claims
- Levothyroxine Sodium15 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
- One Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Lawton among 17,133 family medicine physician records in California
Steven Lawton, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joaquin Barahona, M. D.San Francisco, CA 941101205895133
- Luis Bonilla, MDSan Francisco, CA 941101629019708
- Christopher Bositis, MDSan Francisco, CA 941101427054493
- Romilda Foresti-Lorente, MDSan Francisco, CA 941101164455374
- Todd May, MDSan Francisco, CA 941101679528335
- Pooja Mittal, DOSan Francisco, CA 941101215916200
- David Nidorf, MDSan Francisco, CA 941101336186121
- Sacha Niemi, MDSan Francisco, CA 941101154359982
Common questions
What is Steven Lawton, MD's NPI number?
Steven Lawton, MD's National Provider Identifier (NPI) is 1366486748, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Lawton, MD located?
The NPPES record lists a practice address at 580 Valencia St, San Francisco, CA, 94110. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Steven Lawton, MD's license?
NPPES lists California license number 55182, 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 Steven Lawton, MD prescribe under Medicare Part D?
In 2024, Steven Lawton, MD had 266 Medicare Part D claims for 51 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.