NPPES file of Aug 9, 2026

Sasha Stephen, MD

Dermatology Physician · Boston, MA

Sasha Stephen, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1992097646, issued on May 12, 2011. Check the license (Massachusetts 294725, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992097646
Name
Sasha Stephen
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
294725 MA
DR.0061520 CO
MT199331 PA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5500
Enumerated
May 12, 2011
Record last updated
Jun 11, 2026
Medicare enrollment
Enrolled (PECOS I20221006003023); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 75 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Sasha Stephen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 294725
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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About as many Medicare Part D claims as the average dermatology physician in 2024

796 Medicare Part D claims for 261 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Sasha Stephen796
  2. Specialty average797

Most prescribed

  1. Ketoconazole108 claims
  2. Clobetasol Propionate76 claims
  3. Triamcinolone Acetonide73 claims
  4. Hydrocortisone58 claims
  5. Dupixent Syringe48 claims
  6. Minoxidil38 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.

Industry payments in 2024: $32.06

1 payment: food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sasha Stephen$32.06
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Brigham And Womens Physicians Organization IncBoston, MA
  2. Dana-Farber Cancer Institute, Inc.Boston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sasha Stephen among 627 dermatology physician records in Massachusetts

Sasha Stephen, MD 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 2011, is newer than 59% of them.

  • NPI issued2011 · 59% of these records are older, 39% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2008 among the 445 with a school on file
  • 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.

The 8 dermatology physician records with the nearest ZIP codes

  1. Niroshana Anandasabapathy, MD PHDBoston, MA 021151316145717
  2. Susan Burgin, M.D.Boston, MA 021151174580906
  3. Elizabeth Buzney, MDBoston, MA 021151881720621
  4. Lynda Chin, M.D.Boston, MA 021151437210143
  5. Caroline Kim, M.D.Boston, MA 021151386602753
  6. Kubinne Kim, MDBoston, MA 021151437341401
  7. Thomas Kupper, MDBoston, MA 021151548227945
  8. Vincent Li, MDBoston, MA 021151427093624

Common questions

What is Sasha Stephen, MD's NPI number?

Sasha Stephen, MD's National Provider Identifier (NPI) is 1992097646, issued on May 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sasha Stephen, MD located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.

How can I verify Sasha Stephen, MD's license?

NPPES lists Massachusetts license number 294725, 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 Sasha Stephen, MD prescribe under Medicare Part D?

In 2024, Sasha Stephen, MD had 796 Medicare Part D claims for 261 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.