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GARY ALLAN KARPF M.D.
NPI 1679691679
Psychiatry & Neurology - Psychiatry in Princeton, NJ

Active since March 27, 2007Opted out of Medicare · through Jan 20, 2028
170 COLD SOIL RD, PRINCETON, NJ 08540(609) 896-1122(609) 896-2688 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Gary Allan Karpf M.d. NPPES

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

GARY ALLAN KARPF M.D. (NPI 1679691679) is an individual psychiatry provider in Princeton, New Jersey, licensed in New Jersey (25MA04232800) and active in the NPI registry since March 2007. He has opted out of Medicare through January 20, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1679691679
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameGARY ALLAN KARPFCredential: M.D.
Location Address170 COLD SOIL RDPrinceton, NJ 08540-4202
Mailing Address170 Cold Soil RdPrinceton, NJ 08540-4202 · (609) 896-1122 · Fax (609) 896-2688
Phone(609) 896-1122
Fax(609) 896-2688
Sole ProprietorYes
Enumeration DateMarch 27, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679691679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NJ · 25MA04232800
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
170 COLD SOIL RD, Princeton, NJ 08540
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Other Identifiers 1

Medicare ID-Type Unspecified120637NJ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Gary Allan Karpf M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 20, 1998 through January 20, 2028.

Opt-Out Effective DateJanuary 20, 1998
Opt-Out In Effect ThroughJanuary 20, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08540 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
$185.05 typical visit price
range $61.59 – $185.05
Typical copayment $46.26 (range $15.39 – $46.26)
Most-billed visit code 99205
Established Patient
$76.45 typical visit price
range $20.08 – $150.98
Typical copayment $19.11 (range $5.02 – $37.74)
Most-billed visit code 99213
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 4

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

PATRICIA A. CARNEVAL MD
Psychiatry & Neurology (Psychiatry)
170 COLD SOIL RD
PRINCETON, NJ 08540
Mercer County (609) 896-1122
DR. WILLARD BURCH APPLE III PH.D.
Psychologist (Clinical)
170 COLD SOIL RD
PRINCETON, NJ 08540
Mercer County (609) 896-1122
DR. ADAM DANKNER HAUSER MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
170 COLD SOIL RD
PRINCETON, NJ 08540
Mercer County (609) 896-1122
DR. JOHN ROBERT BLAKE M.D.
Psychiatry & Neurology (Psychiatry)
170 COLD SOIL RD
PRINCETON, NJ 08540
Mercer County (609) 896-1122

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 Gary Karpf's NPI number?

The NPI number for Gary Karpf is 1679691679. It was assigned to this individual provider in the NPPES registry on March 27, 2007.

Where is Gary Karpf located?

Gary Karpf practices at 170 Cold Soil Rd, Princeton, NJ 08540. The listed phone number is (609) 896-1122.

What is Gary Karpf's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Gary Karpf enrolled in Medicare?

No. Gary Karpf has opted out of Medicare through January 20, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Gary Karpf was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.