NPPES file of Aug 9, 2026

Catherine Jin Tang

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Catherine Jin Tang is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1972869477, issued on Apr 9, 2012. Check the license (Massachusetts 262878, 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
1972869477
Name
Catherine Jin Tang
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
262878 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 667-9344
Enumerated
Apr 9, 2012
Record last updated
Feb 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(617) 667-7060
Medicare enrollment
Enrolled (PECOS I20180627002319); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Catherine Jin Tang 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 262878
    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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75% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

653 Medicare Part D claims for 147 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Catherine Tang653
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium75 claims
  2. Lantus Solostar63 claims
  3. Mounjaro41 claims
  4. Alendronate Sodium39 claims
  5. Methimazole33 claims
  6. Ozempic30 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

  1. Atrius Health IncDedham, MA

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

Catherine Jin Tang among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Catherine Jin Tang is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2012 · median 2002 among the 378 with a school on file
  • Record last updated2020 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Beaser, MDBoston, MA 022151447204540
  2. Ramachandiran Cooppan, M.D.Boston, MA 022151366499097
  3. Aaron Cypess, M.D., PH.D.Boston, MA 022151598730749
  4. Rachael Fawcett, M.D.Boston, MA 022151801879945
  5. Robert Gabbay, M.D.Boston, MA 022151720036627
  6. Jason Gaglia, M.D.Boston, MA 022151023098605
  7. Mark Herman, M.D.Boston, MA 022151043261795
  8. George King, M.D.Boston, MA 022151669458816

Common questions

What is Catherine Jin Tang's NPI number?

Catherine Jin Tang's National Provider Identifier (NPI) is 1972869477, issued on Apr 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Jin Tang located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-9344. Providers update this record themselves, so call before visiting.

How can I verify Catherine Jin Tang's license?

NPPES lists Massachusetts license number 262878, 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 Catherine Jin Tang prescribe under Medicare Part D?

In 2024, Catherine Jin Tang had 653 Medicare Part D claims for 147 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.