Anna Filshtinsky, M.D.
Internal Medicine Physician · Springfield, MA
Anna Filshtinsky, M.D. is an internal medicine physician with a practice address in Springfield, Massachusetts, and NPI 1588026306, issued on Mar 22, 2016. Check the license (Massachusetts 279220, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Anna Filshtinsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 279220 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut Street, Springfield, MA 01107
- Phone
- (413) 794-6297
- Enumerated
- Mar 22, 2016
- Record last updated
- Oct 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191016001443); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anna Filshtinsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 279220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
124 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Filshtinsky among 6,825 internal medicine physician records in Massachusetts
Anna Filshtinsky, 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · 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).
282 internal medicine physician records list a practice address in Springfield
They are 282 of the 8,553 NPPES records with a practice address in Springfield, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronald Berger, MDSpringfield, MA 011071649263286
- Greta Boynton, M.D.Springfield, MA 011071801854773
- Elizabeth Eagleson, M.D.Springfield, MA 011071538139993
- John Egelhofer, MDSpringfield, MA 011071972595775
- David Fanti, MDSpringfield, MA 011071396737904
- Philip Gaziano, MDSpringfield, MA 011071043275001
- Howard Goldberg, M.D.Springfield, MA 011071457331050
- James Hession, MDSpringfield, MA 011071588656193
Common questions
What is Anna Filshtinsky, M.D.'s NPI number?
Anna Filshtinsky, M.D.'s National Provider Identifier (NPI) is 1588026306, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Anna Filshtinsky, M.D. located?
The NPPES record lists a practice address at 759 Chestnut Street, Springfield, MA, 01107. Phone: (413) 794-6297. Providers update this record themselves, so call before visiting.
How can I verify Anna Filshtinsky, M.D.'s license?
NPPES lists Massachusetts license number 279220, 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 Anna Filshtinsky, M.D. prescribe under Medicare Part D?
In 2024, Anna Filshtinsky, M.D. had 124 Medicare Part D claims for 66 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.