PAUL BERTOZZI MD
NPI 1346312733
Internal Medicine - Pulmonary Disease in Cambridge, MA
About Paul Bertozzi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL BERTOZZI MD (NPI 1346312733) is an individual pulmonary disease provider in Cambridge, Massachusetts, licensed in Massachusetts (55938) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Pittsburgh School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 8
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
Paul Bertozzi 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 Paul Bertozzi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02138
- Reassigned Medicare billing, Massachusetts enrollment
- 423 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.
Areas of Expertise CMS Part B claims 4
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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician 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.
Referred Medical Equipment & Supplies CMS DME claims 5
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.
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 Paul Bertozzi's NPI number?
The NPI number for Paul Bertozzi is 1346312733. It was assigned to this individual provider in the NPPES registry on November 14, 2006.
Where is Paul Bertozzi located?
Paul Bertozzi practices at 300 Mount Auburn St Suite 419, Cambridge, MA 02138. The listed phone number is (617) 354-8771.
What is Paul Bertozzi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Paul Bertozzi enrolled in Medicare?
Yes. Paul Bertozzi 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 Paul Bertozzi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Bertozzi reassigns Medicare benefits to 3 organizations: Mount Auburn Professional Services Inc (Cambridge, 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 Paul Bertozzi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Bertozzi accept?
Health plans from Taro Health list Paul Bertozzi 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 Paul Bertozzi affiliated with any hospitals?
According to CMS data, Paul Bertozzi is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Paul Bertozzi was last updated on January 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Paul Bertozzi, MD · NPI 1346312733
Pulmonary Disease physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since November 14, 2006.
## Identity
- **NPI:** 1346312733 (Entity type: Individual)
- **Enumerated:** November 14, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 55938 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 MOUNT AUBURN ST, SUITE 419, Cambridge, MA 02138-5600
- **Phone:** (617) 354-8771 · **Fax:** (617) 441-6393
## 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): Mount Auburn Professional Services Inc (NPI 1992750996, Cambridge, 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:** University Of Pittsburgh School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** January 30, 2012
- **Other identifiers:** Other J08624 (MD); Other PM989 (MA); Medicare UPIN E09900 (MA); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346312733) · Data from the CMS NPPES public registry.