NPPES file of Aug 9, 2026

Jared Chase Grochowsky, M.D.

Internal Medicine Physician · Boston, MA

Jared Chase Grochowsky, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1194046748, issued on Jun 17, 2010. Check the license (Massachusetts 243958, 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
1194046748
Name
Jared Chase Grochowsky
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
243958 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 754-0100
Enumerated
Jun 17, 2010
Record last updated
Jun 17, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(617) 754-0230
Medicare enrollment
Enrolled (PECOS I20130717000757); accepts Medicare assignment
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 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Jared Chase Grochowsky 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 243958
    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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

64 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jared Grochowsky64
  2. Specialty average3,176

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

  1. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA

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

Jared Chase Grochowsky among 6,825 internal medicine physician records in Massachusetts

Jared Chase Grochowsky, 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 35% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2010 · median 2004 among the 4,103 with a school on file
  • Record last updated2010 · 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).

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stephen Boswell, M.D.Boston, MA 022151477541217
  2. Jennifer Cluett, MDBoston, MA 022151962491183
  3. Jan Cook, M.D.Boston, MA 022151437152139
  4. Rachel Freedman, M.D.Boston, MA 022151942297189
  5. Joseph Gesmundo, MDBoston, MA 022151891785069
  6. Alex Gonzalez, MD, MPHBoston, MA 022151134101629
  7. Scott Harris, MDBoston, MA 022151871581694
  8. Joseph Li, M.D.Boston, MA 022151043209380

Common questions

What is Jared Chase Grochowsky, M.D.'s NPI number?

Jared Chase Grochowsky, M.D.'s National Provider Identifier (NPI) is 1194046748, issued on Jun 17, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jared Chase Grochowsky, M.D. located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 754-0100. Providers update this record themselves, so call before visiting.

How can I verify Jared Chase Grochowsky, M.D.'s license?

NPPES lists Massachusetts license number 243958, 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 Jared Chase Grochowsky, M.D. prescribe under Medicare Part D?

In 2024, Jared Chase Grochowsky, M.D. had 64 Medicare Part D claims for 34 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.