Mithun George Jacob, MD
Internal Medicine Physician · Springfield, MA
Mithun George Jacob, MD is an internal medicine physician with a practice address in Springfield, Massachusetts, and NPI 1912519489, issued on Aug 17, 2020. Check the license (Massachusetts 1015486, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mithun George Jacob
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1015486 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
- Aug 17, 2020
- Record last updated
- Jun 30, 2024
- Fax
- (413) 794-1767
- Medicare enrollment
- Enrolled (PECOS I20240517001249); 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 Mithun George Jacob in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1015486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
143 Medicare Part D claims for 59 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.
Industry payments in 2024: $285.74
12 payments; by number, the most common kind was food and beverage; the largest payer was Grifols USA, LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baystate Medical Practices IncGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mithun George Jacob among 6,825 internal medicine physician records in Massachusetts
Mithun George Jacob, MD 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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 Mithun George Jacob, MD's NPI number?
Mithun George Jacob, MD's National Provider Identifier (NPI) is 1912519489, issued on Aug 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mithun George Jacob, MD 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 Mithun George Jacob, MD's license?
NPPES lists Massachusetts license number 1015486, 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 Mithun George Jacob, MD prescribe under Medicare Part D?
In 2024, Mithun George Jacob, MD had 143 Medicare Part D claims for 59 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.