DR. JEFFREY ALAN HELD MD
NPI 1841243557
Internal Medicine in Cambridge, MA
About Dr. Jeffrey Alan Held Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY ALAN HELD MD (NPI 1841243557) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (290818) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of University Of Florida College Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jeffrey Alan Held Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Held reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02142
- Reassigned Medicare billing, Massachusetts enrollment
- 119 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02142 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jeffrey Held's NPI number?
The NPI number for Jeffrey Held is 1841243557. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Jeffrey Held located?
Jeffrey Held practices at 25 Carleton St # E23, Cambridge, MA 02142. The listed phone number is (617) 258-9355.
What is Jeffrey Held's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jeffrey Held enrolled in Medicare?
Yes. Jeffrey Held is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jeffrey Held's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Held reassigns Medicare benefits to Massachusetts Institute Of Technology (Cambridge, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Held's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Held affiliated with any hospitals?
According to CMS data, Jeffrey Held is affiliated with Mount Auburn Hospital.
When was this NPI record last updated?
The NPPES record for Jeffrey Held was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jeffrey Alan Held, MD · NPI 1841243557
Internal Medicine physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1841243557 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 290818 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 CARLETON ST # E23, Cambridge, MA 02142-1323
- **Phone:** (617) 258-9355 · **Fax:** (617) 258-9355
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Massachusetts Institute Of Technology (NPI 1346308723, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Florida College Of Medicine, class of 1998
## Record status
- **NPPES last updated:** May 19, 2026
- **Other identifiers:** Medicaid 110186935A (MA); Other P00149250 (FL); Other S400848927 (MA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841243557) · Data from the CMS NPPES public registry.