PETER ANDREW CEGLOWSKI MD
NPI 1831849884
Internal Medicine in Cambridge, MA
About Peter Andrew Ceglowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER ANDREW CEGLOWSKI MD (NPI 1831849884) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (1025202) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Peter Andrew Ceglowski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peter Ceglowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02138 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
CAMBRIDGE, MA 02138
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 Peter Ceglowski's NPI number?
The NPI number for Peter Ceglowski is 1831849884. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Peter Ceglowski located?
Peter Ceglowski practices at 330 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (617) 492-3500.
What is Peter Ceglowski's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Peter Ceglowski enrolled in Medicare?
Yes. Peter Ceglowski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peter Ceglowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Ceglowski reassigns Medicare benefits to Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, 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 Peter Ceglowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Peter Ceglowski was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Peter Andrew Ceglowski, MD · NPI 1831849884
Internal Medicine physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1831849884 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 1025202 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 MOUNT AUBURN ST, Cambridge, MA 02138-5597
- **Phone:** (617) 492-3500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1831849884) · Data from the CMS NPPES public registry.