San Wan, M.D.
Dermatology Physician · Braintree, MA
San Wan, M.D. is a dermatology physician with a practice address in Braintree, Massachusetts, and NPI 1295707123, issued on Feb 4, 2006. Check the license (Massachusetts 46315, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- San Wan
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 46315 MA
Self-reported in NPPES; status is on the state search - Practice location
- 340 Wood RD, Braintree, MA 02184
- Phone
- (781) 849-1111
- Enumerated
- Feb 4, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (781) 794-2280
- Medicaid ID
- 0156736 MA
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 340 Wood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathryn Foley Ferrari, PTPhysical Therapist1538140868
Verify San Wan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 46315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average dermatology physician in 2024
82 Medicare Part D claims for 30 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
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.
San Wan among 627 dermatology physician records in Massachusetts
San Wan, M.D. is one of 627 dermatology physician records with a practice address in Massachusetts. 83% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 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 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Braintree → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Angel Diaz Martinez, MDStoneham, MA 021801518510825
- Julie Fenner, M.DStoneham, MA 021801558537894
- Donald Grande, MDStoneham, MA 021801134196686
- Oluwatobi Ogbechie-Godec, M.D.Stoneham, MA 021801245613751
- John Tomich, MDStoneham, MA 021801295705994
- Heidi Anderson-Dockter, M.D.Weymouth, MA 021891417256314
- Courtney Csikesz, M.D.Weymouth, MA 021891760619902
- Susan Decoste, M.D.Weymouth, MA 021891942284591
Common questions
What is San Wan, M.D.'s NPI number?
San Wan, M.D.'s National Provider Identifier (NPI) is 1295707123, issued on Feb 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is San Wan, M.D. located?
The NPPES record lists a practice address at 340 Wood RD, Braintree, MA, 02184. Phone: (781) 849-1111. Providers update this record themselves, so call before visiting.
How can I verify San Wan, M.D.'s license?
NPPES lists Massachusetts license number 46315, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does San Wan, M.D. prescribe under Medicare Part D?
In 2024, San Wan, M.D. had 82 Medicare Part D claims for 30 beneficiaries; the average among dermatology physician prescribers was 797. 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.