Ranjan Chowdhry, M.D.
Internal Medicine Physician · Bellingham, MA
Ranjan Chowdhry, M.D. is an internal medicine physician with a practice address in Bellingham, Massachusetts, and NPI 1386794675, issued on Jan 11, 2007. Check the license (Massachusetts 230814, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ranjan Chowdhry
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 230814 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1003 S Main St, Bellingham, MA 02019
- Phone
- (508) 883-0600
- Enumerated
- Jan 11, 2007
- Record last updated
- Aug 6, 2025
- Fax
- (508) 883-5990
- Medicare enrollment
- Enrolled (PECOS I20071012000440); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1003 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Harris, M.D.Internal Medicine Physician1326061870
- Pradeep Kumar, MDInternal Medicine Physician1780761536
- Rhonda Marcos, NPNurse Practitioner1376893016
- Michael Pescatello, M.D.Internal Medicine Physician1336165844
- Irina Pieleanu, MDInternal Medicine Physician1528228459
- Ann Rickert, M.D.Internal Medicine Physician1790716512
Verify Ranjan Chowdhry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 230814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average internal medicine physician in 2024
5,994 Medicare Part D claims for 455 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 250 claims were for opioids.
Most prescribed
- Atorvastatin Calcium725 claims
- Lisinopril293 claims
- Metformin Hcl234 claims
- Levothyroxine Sodium199 claims
- Amlodipine Besylate186 claims
- Omeprazole180 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: $286.80
4 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Milford Regional Physician Group, Inc.Bellingham, MA
- Umass Memorial Medical Group IncBellingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ranjan Chowdhry among 6,825 internal medicine physician records in Massachusetts
Ranjan Chowdhry, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1996 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Bellingham
They are 8 of the 143 NPPES records with a practice address in Bellingham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Bellingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kim Ariyabuddhiphongs, M.D.Bellingham, MA 020191114950821
- Bradley Harris, M.D.Bellingham, MA 020191326061870
- Pradeep Kumar, MDBellingham, MA 020191780761536
- Michael Pescatello, M.D.Bellingham, MA 020191336165844
- Irina Pieleanu, MDBellingham, MA 020191528228459
- Ann Rickert, M.D.Bellingham, MA 020191790716512
- Mengtao Zhang, MDBellingham, MA 020191558328641
- Robert Baratz, MDCanton, MA 020211205828399
Common questions
What is Ranjan Chowdhry, M.D.'s NPI number?
Ranjan Chowdhry, M.D.'s National Provider Identifier (NPI) is 1386794675, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ranjan Chowdhry, M.D. located?
The NPPES record lists a practice address at 1003 S Main St, Bellingham, MA, 02019. Phone: (508) 883-0600. Providers update this record themselves, so call before visiting.
How can I verify Ranjan Chowdhry, M.D.'s license?
NPPES lists Massachusetts license number 230814, 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 Ranjan Chowdhry, M.D. prescribe under Medicare Part D?
In 2024, Ranjan Chowdhry, M.D. had 5,994 Medicare Part D claims for 455 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.