MR. PETER IREMAR SANTANA NP
NPI 1649564253
Nurse Practitioner in Cambridge, MA
About Mr. Peter Iremar Santana Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PETER IREMAR SANTANA NP (NPI 1649564253) is an individual nurse practitioner in Cambridge, Massachusetts, licensed in Massachusetts (262017) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Massachusetts Medical School (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Mr. Peter Iremar Santana Np 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
2Medicare enrollment records show Peter Santana reassigns Medicare billing to 2 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
- 6,360 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 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, 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.
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 Peter Santana's NPI number?
The NPI number for Peter Santana is 1649564253. It was assigned to this individual provider in the NPPES registry on June 1, 2011.
Where is Peter Santana located?
Peter Santana practices at 1575 Cambridge St, Cambridge, MA 02138. The listed phone number is (617) 547-5501.
What is Peter Santana's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Peter Santana enrolled in Medicare?
Yes. Peter Santana 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 Peter Santana's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Santana reassigns Medicare benefits to 2 organizations: 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 Peter Santana's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peter Santana affiliated with any hospitals?
According to CMS data, Peter Santana is affiliated with Massachusetts General Hospital, Beth Israel Deaconess Medical Center, Brigham And Women's Hospital and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Peter Santana was last updated on June 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mr. Peter Iremar Santana, NP · NPI 1649564253
Nurse Practitioner physician in Cambridge, Massachusetts. Individual provider, active in the CMS NPPES registry since June 1, 2011.
## Identity
- **NPI:** 1649564253 (Entity type: Individual)
- **Enumerated:** June 1, 2011
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 262017 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1575 CAMBRIDGE ST, Cambridge, MA 02138-4308
- **Phone:** (617) 547-5501
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): 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 Massachusetts Medical School, class of 2010
## Record status
- **NPPES last updated:** June 1, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1649564253) · Data from the CMS NPPES public registry.