1. Home
  2. Directory
  3. Massachusetts
  4. Cambridge
  5. Psychiatry Neurology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JEFFREY ROBERT FRIEDMAN M.D.
NPI 1356308126
Psychiatry & Neurology - Geriatric Psychiatry in Cambridge, MA

Active since April 27, 2006PECOS Enrolled
875 MASSACHUSETTS AVE, SUITE 51, CAMBRIDGE, MA 02139(617) 864-5560(617) 864-5560 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Jeffrey Robert Friedman M.d. NPPES

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

DR. JEFFREY ROBERT FRIEDMAN M.D. (NPI 1356308126) is an individual geriatric psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (51517) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1982).

NPPES Registry Identity

NPI1356308126
Entity TypeIndividualMale
Primary Taxonomy2084P0805X
Provider Legal NameDR. JEFFREY ROBERT FRIEDMANCredential: M.D.
Location Address875 MASSACHUSETTS AVE, SUITE 51Cambridge, MA 02139-3067
Mailing Address875 Massachusetts Ave, Suite 51Cambridge, MA 02139-3067 · (617) 864-5560 · Fax (617) 864-5560
Phone(617) 864-5560
Fax(617) 864-5560
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1982
Enumeration DateApril 27, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1356308126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Geriatric PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0805X
License✔ Licensed in MA · 51517
Definition
Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.
Also ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License 51517 (MA)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 51517 (MA)
875 MASSACHUSETTS AVE, Cambridge, MA 02139
Open in Google Maps ↗

Other Identifiers 1

OtherJ02871MA · Blue Cross/ Blue Shield

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

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

Dr. Jeffrey Robert Friedman M.d. 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 ID8224084199
PECOS Enrollment IDI20050323001042
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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.

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.

ROBIN J. ALT LICSW
Social Worker (Clinical)
875 MASSACHUSETTS AVE, SUITE 41
CAMBRIDGE, MA 02139
Middlesex County (617) 547-6168
HIGHLAND PSYCHOLOGICAL ASSOCIATES, LLC
Psychologist (Clinical)
875 MASSACHUSETTS AVE, SUITE 71
CAMBRIDGE, MA 02139
Middlesex County (857) 600-0875
DR. SILVIA DOMINGUEZ PHD
Counselor (Mental Health)
875 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Middlesex County (339) 234-5331
STEVEN HARLAN COOPER PH.D
Psychologist (Clinical)
875 MASSACHUSETTS AVE, SUITE 54
CAMBRIDGE, MA 02139
Middlesex County (617) 492-7460
HUMPHREY MORRIS M.D.
Psychiatry & Neurology (Psychiatry)
875 MASSACHUSETTS AVE, # 55
CAMBRIDGE, MA 02139
Middlesex County (617) 497-4160
STACEY SLATE PLLC
Counselor (Mental Health)
875 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Middlesex County (617) 575-9238
TAMMY S SMITH
Counselor (Mental Health)
875 MASSACHUSETTS AVE, 25
CAMBRIDGE, MA 02139
Middlesex County (781) 832-0113
ADAM SETH KROLOFF LICSW
Social Worker (Clinical)
875 MASSACHUSETTS AVE, UNITS 84 & 85
CAMBRIDGE, MA 02139
Middlesex County (617) 354-4450

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 Jeffrey Friedman's NPI number?

The NPI number for Jeffrey Friedman is 1356308126. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Jeffrey Friedman located?

Jeffrey Friedman practices at 875 Massachusetts Ave Suite 51, Cambridge, MA 02139. The listed phone number is (617) 864-5560.

What is Jeffrey Friedman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Geriatric Psychiatry, with taxonomy code 2084P0805X.

Is Jeffrey Friedman enrolled in Medicare?

Yes. Jeffrey Friedman 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.

What insurance does Jeffrey Friedman accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Jeffrey Friedman 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 Jeffrey Friedman was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.