Fan Di Xia
Dermatology Physician · Boston, MA
Fan Di Xia is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1992294706, issued on May 7, 2018. Check the license (Massachusetts 291223, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Fan Di Xia
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 291223 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Staniford St, Boston, MA 02114
- Phone
- (617) 726-2914
- Enumerated
- May 7, 2018
- Record last updated
- May 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20221027001984); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2018
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 50 Staniford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ahn, M.D.Child & Adolescent Psychiatry Physician1952429532
- Robert Amrhein, M.D.Specialist1972676781
- Richard Anderson, MDDermatology Physician1700869831
- Anjum Ansari, D.M.D.General Practice Dentistry1578783346
- Alison Avram, M.D.Dermatology Physician1083721781
- Mathew Avram, MDDermatology Physician1295717296
Verify Fan Di Xia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average dermatology physician in 2024
261 Medicare Part D claims for 140 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Ketoconazole71 claims
- Mupirocin35 claims
- Mometasone Furoate24 claims
- Triamcinolone Acetonide15 claims
- Clindamycin Phosphate12 claims
- Dupixent Syringe11 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
- Massachusetts General Physicians Organization IncDanvers, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fan Di Xia among 627 dermatology physician records in Massachusetts
Fan Di Xia 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 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2018 · median 2008 among the 445 with a school on file
- Record last updated2022 · 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 Boston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Richard Anderson, MDBoston, MA 021141700869831
- Mathew Avram, MDBoston, MA 021141295717296
- Howard Baden, MDBoston, MA 021141427048636
- Melissa Burnett, MDBoston, MA 021141407837818
- Ernesto Gonzalez-Martinez, MDBoston, MA 021141821070806
- Anita Grassi, MDBoston, MA 021141831189513
- Joannes Grevelink, MD PHDBoston, MA 021141538150982
- Joseph Kvedar, MDBoston, MA 021141043200223
Common questions
What is Fan Di Xia's NPI number?
Fan Di Xia's National Provider Identifier (NPI) is 1992294706, issued on May 7, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Fan Di Xia located?
The NPPES record lists a practice address at 50 Staniford St, Boston, MA, 02114. Phone: (617) 726-2914. Providers update this record themselves, so call before visiting.
How can I verify Fan Di Xia's license?
NPPES lists Massachusetts license number 291223, 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 Fan Di Xia prescribe under Medicare Part D?
In 2024, Fan Di Xia had 261 Medicare Part D claims for 140 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.