NPPES file of Aug 9, 2026

Maxim Bitunov, M.D.

Internal Medicine Physician · Pittsfield, MA

Maxim Bitunov, M.D. is an internal medicine physician with a practice address in Pittsfield, Massachusetts, and NPI 1821430349, issued on Jul 25, 2013. Check the license (Massachusetts 256517, 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
1821430349
Name
Maxim Bitunov
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
256517 MA
Self-reported in NPPES; status is on the state search
Practice location
631B North St, Pittsfield, MA 01201
Phone
(413) 499-2051
Enumerated
Jul 25, 2013
Record last updated
Jul 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(413) 445-9561
Medicare enrollment
Enrolled (PECOS I20161110000278); 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 631B North St

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

  1. Ebony Alexander, FNPFamily Nurse Practitioner1639668551
  2. Lisa Das, M.D.Specialist1962486886
  3. Carolee Harrigan, CNPFamily Nurse Practitioner1013471671
  4. Jennifer Nugent, NP-CAdult Health Nurse Practitioner1639450919
  5. Linda SchermerhornFamily Nurse Practitioner1174613848
  6. Jennifer Votruba, PA-CPhysician Assistant1255851747

Verify Maxim Bitunov 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 256517
    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

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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3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

9,508 Medicare Part D claims for 798 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 389 claims were for opioids.

  1. Maxim Bitunov9,508
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate554 claims
  2. Atorvastatin Calcium507 claims
  3. Losartan Potassium374 claims
  4. Lisinopril361 claims
  5. Gabapentin323 claims
  6. Omeprazole287 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: $299.14

3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.

  1. Maxim Bitunov$299.14
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Berkshire Faculty Services IncGreat Barrington, MA
  2. Berkshire Medical Center IncPittsfield, MA
  3. Select Rehabilitation, LLCGlenview, IL

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

Maxim Bitunov among 6,825 internal medicine physician records in Massachusetts

Maxim Bitunov, 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 2013, is newer than 70% of them.

  • NPI issued2013 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2005 · median 2004 among the 4,103 with a school on file
  • Record last updated2016 · 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).

60 internal medicine physician records list a practice address in Pittsfield

They are 60 of the 2,189 NPPES records with a practice address in Pittsfield, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kyneret Albert, MDPittsfield, MA 012011457325102
  2. Gordon Bird, M.D.Pittsfield, MA 012011225021603
  3. Michael Blackman, MDPittsfield, MA 012011558329177
  4. Noel Blagg, M.D.Pittsfield, MA 012011952394355
  5. Rebecca Caine, M.D.Pittsfield, MA 012011730147356
  6. Charles D'Agostino, MDPittsfield, MA 012011750366381
  7. Sharon Gittzus, A.N.P.-CPittsfield, MA 012011265494439
  8. Harry Hartford, M.D.Pittsfield, MA 012011669470456

Common questions

What is Maxim Bitunov, M.D.'s NPI number?

Maxim Bitunov, M.D.'s National Provider Identifier (NPI) is 1821430349, issued on Jul 25, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Maxim Bitunov, M.D. located?

The NPPES record lists a practice address at 631B North St, Pittsfield, MA, 01201. Phone: (413) 499-2051. Providers update this record themselves, so call before visiting.

How can I verify Maxim Bitunov, M.D.'s license?

NPPES lists Massachusetts license number 256517, 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 Maxim Bitunov, M.D. prescribe under Medicare Part D?

In 2024, Maxim Bitunov, M.D. had 9,508 Medicare Part D claims for 798 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.