NPPES file of Aug 9, 2026

Mack Su

Dermatology Physician · Boston, MA

Mack Su is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1023698271, issued on Apr 12, 2021. Check the license (Massachusetts 1022550, 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
1023698271
Name
Mack Su
Primary taxonomy
Dermatology Physician 207N00000X
License number
1022550 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5775
Enumerated
Apr 12, 2021
Record last updated
Jun 30, 2026
Medicare enrollment
Enrolled (PECOS I20260528003380); may accept Medicare assignment
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 Mack Su 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 1022550
    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

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70% fewer Medicare Part D claims than the average dermatology physician in 2024

243 Medicare Part D claims for 115 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Mack Su243
  2. Specialty average797

Most prescribed

  1. Ketoconazole51 claims
  2. Triamcinolone Acetonide29 claims
  3. Clobetasol Propionate16 claims
  4. Tacrolimus13 claims
  5. Imiquimod12 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.

Mack Su among 627 dermatology physician records in Massachusetts

Mack Su 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 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2021 · 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 Mack Su's NPI number?

Mack Su's National Provider Identifier (NPI) is 1023698271, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mack Su located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5775. Providers update this record themselves, so call before visiting.

How can I verify Mack Su's license?

NPPES lists Massachusetts license number 1022550, 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 Mack Su prescribe under Medicare Part D?

In 2024, Mack Su had 243 Medicare Part D claims for 115 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.