DR. JEANNE H STEPPEL-REZNIK MD
NPI 1366410334
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA
About Dr. Jeanne H Steppel-reznik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEANNE H STEPPEL-REZNIK MD (NPI 1366410334) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (217569) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Johns Hopkins University School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
Accepted Insurance
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. Jeanne H Steppel-reznik 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 Reassignments
3Medicare enrollment records show Jeanne Steppel-reznik reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Jeanne Steppel-reznik's NPI number?
The NPI number for Jeanne Steppel-reznik is 1366410334. It was assigned to this individual provider in the NPPES registry on March 8, 2006.
Where is Jeanne Steppel-reznik located?
Jeanne Steppel-reznik practices at 50 Staniford Street 3rd Floor Diabetes Unit, Boston, MA 02114. The listed phone number is (617) 726-8722.
What is Jeanne Steppel-reznik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Jeanne Steppel-reznik enrolled in Medicare?
Yes. Jeanne Steppel-reznik 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 organizations bill Medicare for Jeanne Steppel-reznik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeanne Steppel-reznik reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). Each 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 Jeanne Steppel-reznik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeanne Steppel-reznik accept?
Health plans from Taro Health list Jeanne Steppel-reznik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jeanne Steppel-reznik affiliated with any hospitals?
According to CMS data, Jeanne Steppel-reznik is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Jeanne Steppel-reznik was last updated on November 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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. Jeanne H Steppel-Reznik, MD · NPI 1366410334
Endocrinology, Diabetes & Metabolism physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 8, 2006.
## Identity
- **NPI:** 1366410334 (Entity type: Individual)
- **Enumerated:** March 8, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 217569 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 STANIFORD STREET, 3RD FLOOR DIABETES UNIT, Boston, MA 02114
- **Phone:** (617) 726-8722 · **Fax:** (617) 724-8534
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** November 7, 2012
- **Other identifiers:** Other J27625 (MA); Medicare UPIN I10547; Medicaid 2083833 (MA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1366410334) · Data from the CMS NPPES public registry.