NPPES file of Aug 9, 2026

Vikram Rangan

Gastroenterology Physician · Boston, MA

Vikram Rangan is a gastroenterology physician with a practice address in Boston, Massachusetts, and NPI 1124317235, issued on Mar 30, 2011. Check the license (Massachusetts 274905, 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
1124317235
Name
Vikram Rangan
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
274905 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave # Dana501, Boston, MA 02215
Phone
(617) 754-8888
Enumerated
Mar 30, 2011
Record last updated
Jul 24, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(617) 667-2767
Medicare enrollment
Enrolled (PECOS I20180720000023); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2011
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 # Dana501

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

  1. Samantha Zullow, M.D.Gastroenterology Physician1558780684

Verify Vikram Rangan 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 274905
    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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27% more Medicare Part D claims than the average gastroenterology physician in 2024

1,032 Medicare Part D claims for 230 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Vikram Rangan1,032
  2. Specialty average811

Most prescribed

  1. Omeprazole146 claims
  2. Pantoprazole Sodium99 claims
  3. Famotidine92 claims
  4. Linzess80 claims
  5. Dicyclomine Hcl48 claims
  6. Motegrity42 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 2 group practices

  1. Beth Israel Deaconess Medical Center IncBoston, MA
  2. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA

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

Vikram Rangan among 686 gastroenterology physician records in Massachusetts

Vikram Rangan is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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 71% of them.

  • NPI issued2011 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2011 · median 2004 among the 491 with a school on file
  • Record last updated2018 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Massachusetts

There are 686 gastroenterology physician records in Massachusetts.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Michael Apstein, MDBoston, MA 022151609854603
  2. Alphonso Brown, MDBoston, MA 022151871579987
  3. Valerie Byrnes, M.D.Boston, MA 022151467410332
  4. Catherine Cheney, M.D.Boston, MA 022151710962030
  5. Zalman Falchuk, MDBoston, MA 022151912996000
  6. Kenneth Falchuk, M.D.Boston, MA 022151639154305
  7. Douglas Horst, MDBoston, MA 022151518957224
  8. John Lamont, MDBoston, MA 022151316903735

Common questions

What is Vikram Rangan's NPI number?

Vikram Rangan's National Provider Identifier (NPI) is 1124317235, issued on Mar 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Vikram Rangan located?

The NPPES record lists a practice address at 330 Brookline Ave # Dana501, Boston, MA, 02215. Phone: (617) 754-8888. Providers update this record themselves, so call before visiting.

How can I verify Vikram Rangan's license?

NPPES lists Massachusetts license number 274905, 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 Vikram Rangan prescribe under Medicare Part D?

In 2024, Vikram Rangan had 1,032 Medicare Part D claims for 230 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.