Shasta A. Kielbasa, M.D.
Internal Medicine Physician · Northampton, MA
Shasta A. Kielbasa, M.D. is an internal medicine physician with a practice address in Northampton, Massachusetts, and NPI 1245486901, issued on Aug 13, 2008. Check the license (Massachusetts 250422, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Shasta A. Kielbasa
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 250422 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Locust St, Northampton, MA 01060
- Phone
- (413) 582-2792
- Enumerated
- Aug 13, 2008
- Record last updated
- Jul 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (413) 582-4675
- Medicare enrollment
- Enrolled (PECOS I20120913000587); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 30 Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Abbott, D.O.Anesthesiology Physician1316155294
- Olyn Andrade, MDEmergency Medicine Physician1265008544
- Nasreen Azam, M.D.Pediatric Nephrology Physician1649362476
- Mae Beckford-Bruno, RNStudent in an Organized Health Care Education/Training Program1043134661
- Linda Benoit, LICSWClinical Social Worker1588729610
- Charles Bernstein, MDDiagnostic Radiology Physician1699734442
Verify Shasta A. Kielbasa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 250422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
226 Medicare Part D claims for 115 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass14 claims
- Pantoprazole Sodium13 claims
- Cefuroxime12 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
- Mass General Brigham Medical Group Western Massachusetts IncNorthampton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shasta A. Kielbasa among 6,825 internal medicine physician records in Massachusetts
Shasta A. Kielbasa, 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 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).
21 internal medicine physician records list a practice address in Northampton
They are 21 of the 1,816 NPPES records with a practice address in Northampton, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Northampton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Alpern, MDNorthampton, MA 010601568422608
- Elizabeth Armstrong, M.D.Northampton, MA 010601881626786
- Edward Dean, MDNorthampton, MA 010601376528638
- Tara Dumont, MDNorthampton, MA 010601467515163
- Peter Elsea, MDNorthampton, MA 010601699731182
- Andrew Hall, M.D.Northampton, MA 010601073593679
- Howard Klein, M.D.Northampton, MA 010601063456325
- Anne McKinnon, MDNorthampton, MA 010601255311452
Common questions
What is Shasta A. Kielbasa, M.D.'s NPI number?
Shasta A. Kielbasa, M.D.'s National Provider Identifier (NPI) is 1245486901, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Shasta A. Kielbasa, M.D. located?
The NPPES record lists a practice address at 30 Locust St, Northampton, MA, 01060. Phone: (413) 582-2792. Providers update this record themselves, so call before visiting.
How can I verify Shasta A. Kielbasa, M.D.'s license?
NPPES lists Massachusetts license number 250422, 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 Shasta A. Kielbasa, M.D. prescribe under Medicare Part D?
In 2024, Shasta A. Kielbasa, M.D. had 226 Medicare Part D claims for 115 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.