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DR. PETER A MOSBACH PH.D.
NPI 1013904309
Psychologist - Health Service in Acton, MA

Active since September 30, 2005PECOS EnrolledAccepts Medicare Assignment
468 GREAT RD, ACTON, MA 01720(978) 635-0509(603) 415-3521 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Peter A Mosbach Ph.d. NPPES

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

DR. PETER A MOSBACH PH.D. (NPI 1013904309) is an individual health service provider in Acton, Massachusetts, licensed in Massachusetts (4495) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1013904309
Entity TypeIndividualMale
Primary Taxonomy103TH0100X
Provider Legal NameDR. PETER A MOSBACHCredential: PH.D.
Location Address468 GREAT RDActon, MA 01720-4187
Mailing Address468 Great RdActon, MA 01720-4102 · (978) 635-0509 · Fax (603) 415-3521
Phone(978) 635-0509
Fax(603) 415-3521
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateSeptember 30, 2005
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1013904309 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · Health ServiceBehavioral Health & Social Service Providers
Taxonomy Code103TH0100X
License✔ Licensed in MA · 4495
Definition
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).
Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License 4495 (MA)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 4495 (MA)
468 GREAT RD, Acton, MA 01720
Open in Google Maps ↗

Other Identifiers 1

Medicaid0518107MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.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. Peter A Mosbach Ph.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 ID1355306341
PECOS Enrollment IDI20041203000365
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.

Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
144 services143 patients

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARC LEONARD BERGER PSY.D.
Psychologist (Clinical)
468 GREAT RD
ACTON, MA 01720
Middlesex County (978) 635-0509
DR. JOSEPH MICHAEL FITZPATRICK D.C.
Chiropractor
468 GREAT RD, SUITE 101
ACTON, MA 01720
Middlesex County (978) 263-5592
DR. SHERRI KAUDERER PH.D.
Psychologist (Clinical)
468 GREAT RD
ACTON, MA 01720
Middlesex County (978) 635-0509
WARD E BEIN M.D.
Psychiatry & Neurology (Psychiatry)
468 GREAT RD
ACTON, MA 01720
Middlesex County (617) 921-3747
PAULINE GERSON
Psychiatry & Neurology (Psychiatry)
468 GREAT RD
ACTON, MA 01720
Middlesex County (978) 635-0509
KATHLEEN FINN PH.D.
Psychologist (Clinical)
468 GREAT RD, ACTON PSYCHIATRIC ASSOCIATES
ACTON, MA 01720
Middlesex County (978) 263-1103
PAULINE ETTA GERSON PSY.D.
Psychologist (Clinical)
468 GREAT RD
ACTON, MA 01720
Middlesex County (978) 635-0509
MS. CYNTHIA J ADAMSKI LICSW
Social Worker (Clinical)
468 GREAT RD
ACTON, MA 01720
Middlesex County (978) 635-0509

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 Mosbach's NPI number?

The NPI number for Peter Mosbach is 1013904309. It was assigned to this individual provider in the NPPES registry on September 30, 2005.

Where is Peter Mosbach located?

Peter Mosbach practices at 468 Great Rd, Acton, MA 01720. The listed phone number is (978) 635-0509.

What is Peter Mosbach's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Health Service, with taxonomy code 103TH0100X.

Is Peter Mosbach enrolled in Medicare?

Yes. Peter Mosbach 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 Peter Mosbach accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Peter Mosbach 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 Peter Mosbach was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.