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PETER J. MASSICOTT MD
NPI 1265545917
Internal Medicine in Boston, MA

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
275 LONGWOOD AVE, BOSTON, MA 02115(617) 432-1370(617) 432-7120 Get Directions Write a Review

NPPES record last updated: January 15, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Peter J. Massicott Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PETER J. MASSICOTT MD (NPI 1265545917) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (76162) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Georgetown University School Of Medicine (1989).

NPPES Registry Identity

NPI1265545917
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePETER J. MASSICOTTCredential: MD
Location Address275 LONGWOOD AVEBoston, MA 02115-5704
Mailing Address75 Mount Auburn St, Harvard University Health ServicesCambridge, MA 02138-4960 · (617) 432-1370 · Fax (617) 432-7120
Phone(617) 432-1370
Fax(617) 432-7120
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1989
Enumeration DateAugust 16, 2006
Last NPPES UpdateJanuary 15, 2015
✔ NPI 1265545917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 76162
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
275 LONGWOOD AVE, Boston, MA 02115
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Other Identifiers 3

OtherJ30276MA · Bc/bs Of Ma
Medicare UPINF21865MA
Other076162MA · Tufts Health Plan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Peter J. Massicott 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.

PECOS PAC ID6002855798
PECOS Enrollment IDI20050502001238
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Massicott's NPI number?

The NPI number for Peter Massicott is 1265545917. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Peter Massicott located?

Peter Massicott practices at 275 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 432-1370.

What is Peter Massicott's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Peter Massicott enrolled in Medicare?

Yes. Peter Massicott 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.

Is Peter Massicott affiliated with any hospitals?

According to CMS data, Peter Massicott is affiliated with Mount Auburn Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Peter Massicott was last updated on January 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.