Atchayaa Gunasekharan, M.D.
Internal Medicine Physician · Springfield, MA
Atchayaa Gunasekharan, M.D. is an internal medicine physician with a practice address in Springfield, Massachusetts, and NPI 1407410699, issued on Apr 24, 2019. Check the license (Massachusetts 292317, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Atchayaa Gunasekharan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 292317 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St Ste C3350, Springfield, MA 01107
- Phone
- (413) 794-6297
- Enumerated
- Apr 24, 2019
- Record last updated
- Jul 28, 2022
- Fax
- (413) 794-1767
- Medicare enrollment
- Enrolled (PECOS I20220720001358); 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 St Ste C3350
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Atchayaa Gunasekharan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 292317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
692 Medicare Part D claims for 361 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Oxycodone Hcl45 claims
- Meclizine Hcl30 claims
- Pantoprazole Sodium30 claims
- Prednisone30 claims
- Amlodipine Besylate28 claims
- Amoxicillin-Clavulanate Potass22 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
- Baystate Medical Practices IncSpringfield, MA
- Plover Inpatient Services LLCBrick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Atchayaa Gunasekharan among 6,825 internal medicine physician records in Massachusetts
Atchayaa Gunasekharan, 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 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2004 among the 4,103 with a school on file
- Record last updated2022 · 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 Atchayaa Gunasekharan, M.D.'s NPI number?
Atchayaa Gunasekharan, M.D.'s National Provider Identifier (NPI) is 1407410699, issued on Apr 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Atchayaa Gunasekharan, M.D. located?
The NPPES record lists a practice address at 759 Chestnut St Ste C3350, Springfield, MA, 01107. Phone: (413) 794-6297. Providers update this record themselves, so call before visiting.
How can I verify Atchayaa Gunasekharan, M.D.'s license?
NPPES lists Massachusetts license number 292317, 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 Atchayaa Gunasekharan, M.D. prescribe under Medicare Part D?
In 2024, Atchayaa Gunasekharan, M.D. had 692 Medicare Part D claims for 361 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.