Joseph John Jacob, MD
Diagnostic Radiology Physician · Worcester, MA
Joseph John Jacob, MD is a diagnostic radiology physician with a practice address in Worcester, Massachusetts, and NPI 1912469495, issued on Apr 3, 2019. Check the license (Massachusetts 1016855, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph John Jacob
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 1016855 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 856-5749
- Enumerated
- Apr 3, 2019
- Record last updated
- May 28, 2024
- Fax
- (508) 856-1860
- Medicare enrollment
- Enrolled (PECOS I20240619001233); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2019
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph John 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 1016855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $35.64
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph John Jacob among 1,658 diagnostic radiology physician records in Massachusetts
Joseph John Jacob, MD is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% 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, 12% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2006 among the 1,125 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
159 diagnostic radiology physician records list a practice address in Worcester
They are 159 of the 13,166 NPPES records with a practice address in Worcester, and 1,658 diagnostic radiology physician records in Massachusetts.
All 1,658 in Massachusetts → Every provider in Worcester → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Steven Birnbaum, MDWorcester, MA 016551831177310
- Joseph Ferrucci, M.D.Worcester, MA 016551629045703
- Jeffrey Greenberg, MDWorcester, MA 016551588642193
- Young Kim, M.D.Worcester, MA 016551245295518
- Tasneem Lalani, MDWorcester, MA 016551417910811
- Jorge Medina, M.D.Worcester, MA 016551477520930
- Michael Morrow, D.O.Worcester, MA 016551598745721
- Christine Petersen, MDWorcester, MA 016551578554044
Common questions
What is Joseph John Jacob, MD's NPI number?
Joseph John Jacob, MD's National Provider Identifier (NPI) is 1912469495, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Joseph John Jacob, MD located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-5749. Providers update this record themselves, so call before visiting.
How can I verify Joseph John Jacob, MD's license?
NPPES lists Massachusetts license number 1016855, 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.
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.