DR. JOHN CHRISTOPHER PETROZZA MD
NPI 1871574285
Obstetrics & Gynecology - Reproductive Endocrinology in Reading, MA
About Dr. John Christopher Petrozza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHRISTOPHER PETROZZA MD (NPI 1871574285) is an individual reproductive endocrinology provider in Reading, Massachusetts, licensed in Massachusetts (79449) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. John Christopher Petrozza 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
4Medicare enrollment records show John Petrozza reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01803
- Reassigned Medicare billing, Massachusetts enrollment
- 1,317 clinicians in this Medicare group
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 01867 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
READING, MA 01867
READING, MA 01867
READING, MA 01867
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 John Petrozza's NPI number?
The NPI number for John Petrozza is 1871574285. It was assigned to this individual provider in the NPPES registry on November 11, 2005.
Where is John Petrozza located?
John Petrozza practices at 20 Pondmeadow Dr Ste 101, Reading, MA 01867. The listed phone number is (781) 942-7000.
What is John Petrozza's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.
Is John Petrozza enrolled in Medicare?
Yes. John Petrozza 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 John Petrozza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Petrozza reassigns Medicare benefits to 4 organizations: Atrius Health, Inc. (Burlington, MA), Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, 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 John Petrozza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Petrozza accept?
Health plans from Harvard Pilgrim Health Care list John Petrozza 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.
When was this NPI record last updated?
The NPPES record for John Petrozza was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. John Christopher Petrozza, MD · NPI 1871574285
Reproductive Endocrinology physician in Reading, Massachusetts. Individual provider, active in the CMS NPPES registry since November 11, 2005.
## Identity
- **NPI:** 1871574285 (Entity type: Individual)
- **Enumerated:** November 11, 2005
- **Primary specialty:** Obstetrics & Gynecology - Reproductive Endocrinology · taxonomy 207VE0102X
- **State license:** 79449 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 PONDMEADOW DR STE 101, Reading, MA 01867-3222
- **Phone:** (781) 942-7000 · **Fax:** (781) 942-7200
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Atrius Health, Inc. (NPI 1225183726, Burlington, MA); Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** June 18, 2026
- **Other identifiers:** Other 079449 (MA); Other J30948 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1871574285) · Data from the CMS NPPES public registry.