NPPES file of Aug 9, 2026

Shubhrangshu Kumar Biswas, M.D.

Internal Medicine Physician · Bucksport, ME

Shubhrangshu Kumar Biswas, M.D. is an internal medicine physician with a practice address in Bucksport, Maine, and NPI 1366403412, issued on Mar 29, 2006. Check the license (Maine 15803, as entered in NPPES) on the Maine Board of Licensure 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
1366403412
Name
Shubhrangshu Kumar Biswas
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
15803 ME
Self-reported in NPPES; status is on the state search
Practice location
110 Broadway, Bucksport, ME 04416
Phone
(207) 469-7371
Enumerated
Mar 29, 2006
Record last updated
Dec 17, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(207) 469-7306
Medicaid ID
309590099 ME
Medicare enrollment
Enrolled (PECOS I20050602000897); accepts 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 110 Broadway

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

  1. Lila Balch, LICSW, LCSWClinical Social Worker1821106568
  2. Craig Benson, D.O.General Practice Physician1790873123
  3. Karen Calcott, MDFamily Medicine Physician1124068986
  4. Timothy Clifford, M.D.Family Medicine Physician1033154281
  5. Denise Daniel, LCPC, LADCProfessional Counselor1154486488
  6. Emma Duvefelt, FNPNurse Practitioner1831150994

Verify Shubhrangshu Kumar Biswas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 15803
    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 Maine 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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52% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,530 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Shubhrangshu Biswas1,530
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate108 claims
  2. Levothyroxine Sodium103 claims
  3. Lisinopril82 claims
  4. Losartan Potassium81 claims
  5. Atorvastatin Calcium72 claims
  6. Rosuvastatin Calcium57 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. Bucksport Regional Health CenterBucksport, ME

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

Shubhrangshu Kumar Biswas among 597 internal medicine physician records in Maine

Shubhrangshu Kumar Biswas, M.D. is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 44% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1983 · median 2005 among the 369 with a school on file
  • Record last updated2009 · 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 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 internal medicine physician record lists a practice address in Bucksport

They are 1 of the 68 NPPES records with a practice address in Bucksport, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Maryann Walsh, MDBrewer, ME 044121811980204
  2. Lesley Fernow, MDDover Foxcroft, ME 044261497863450
  3. Michael Welvaert, D.O.Dover Foxcroft, ME 044261851787170
  4. Woyessa SidaBangor, ME 044021932838539
  5. Muhammad Umer Ahmed, MDBangor, ME 044011134893183
  6. Sauraj DevkotaBangor, ME 044011114654001
  7. Ali ElkhedrBangor, ME 044011164159414
  8. Ansu Karki, MBBSBangor, ME 044011295346286

Common questions

What is Shubhrangshu Kumar Biswas, M.D.'s NPI number?

Shubhrangshu Kumar Biswas, M.D.'s National Provider Identifier (NPI) is 1366403412, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shubhrangshu Kumar Biswas, M.D. located?

The NPPES record lists a practice address at 110 Broadway, Bucksport, ME, 04416. Phone: (207) 469-7371. Providers update this record themselves, so call before visiting.

How can I verify Shubhrangshu Kumar Biswas, M.D.'s license?

NPPES lists Maine license number 15803, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shubhrangshu Kumar Biswas, M.D. prescribe under Medicare Part D?

In 2024, Shubhrangshu Kumar Biswas, M.D. had 1,530 Medicare Part D claims for 103 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.