NPPES file of Aug 9, 2026

Jason Kittler

Internal Medicine Physician · Pittsfield, MA

Jason Kittler is an internal medicine physician with a practice address in Pittsfield, Massachusetts, and NPI 1174585426, issued on Apr 3, 2006. Check the license (Massachusetts 81381, 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
1174585426
Name
Jason Kittler
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
81381 MA
Self-reported in NPPES; status is on the state search
Practice location
777 North St, Pittsfield, MA 01201
Phone
(413) 499-8510
Enumerated
Apr 3, 2006
Record last updated
Jan 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
3149633 MA
Medicare enrollment
Enrolled (PECOS I20050318000194); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 1991
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 777 North St

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

  1. David Albert, M.D.Internal Medicine Physician1386692531
  2. Paula Aucoin, M.D.Infectious Disease Physician1033110333
  3. Anurag Bansal, ANPAdult Health Nurse Practitioner1346580917
  4. Daniel Barraez-Masroua, MDObstetrics & Gynecology Physician1528222304
  5. Laurie Bartling, PASurgical Physician Assistant1053506998
  6. Robert Benner, MDObstetrics & Gynecology Physician1346231529

Verify Jason Kittler 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 81381
    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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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,762 Medicare Part D claims for 626 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 212 claims were for opioids.

  1. Jason Kittler6,762
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium367 claims
  2. Levothyroxine Sodium295 claims
  3. Lisinopril273 claims
  4. Losartan Potassium253 claims
  5. Amlodipine Besylate238 claims
  6. Omeprazole179 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. Berkshire Faculty Services IncPittsfield, MA
  2. Select Rehabilitation, LLCGlenview, IL

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

Jason Kittler among 6,825 internal medicine physician records in Massachusetts

Jason Kittler 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1991 · median 2004 among the 4,103 with a school on file
  • Record last updated2019 · 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 Jason Kittler's NPI number?

Jason Kittler's National Provider Identifier (NPI) is 1174585426, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Kittler located?

The NPPES record lists a practice address at 777 North St, Pittsfield, MA, 01201. Phone: (413) 499-8510. Providers update this record themselves, so call before visiting.

How can I verify Jason Kittler's license?

NPPES lists Massachusetts license number 81381, 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 Jason Kittler prescribe under Medicare Part D?

In 2024, Jason Kittler had 6,762 Medicare Part D claims for 626 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.