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DR. GREGORY N. PETERSON MD
NPI 1619916962
Psychiatry & Neurology - Psychiatry in Middletown, CT

Active since June 05, 2006PECOS Enrolled
1000 SILVER ST, MIDDLETOWN, CT 06457(860) 262-5868(860) 262-5850 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory N. Peterson Md NPPES

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

DR. GREGORY N. PETERSON MD (NPI 1619916962) is an individual psychiatry provider in Middletown, Connecticut, licensed in Connecticut (036498) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619916962
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. GREGORY N. PETERSONCredential: MD
Location Address1000 SILVER STMiddletown, CT 06457
Mailing Address47 Walkley RdWest Hartford, CT 06119 · (860) 262-5964
Phone(860) 262-5868
Fax(860) 262-5850
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1619916962 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 CT · 036498
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.
1000 SILVER ST, Middletown, CT 06457
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory N. Peterson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Gregory Peterson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

State Of Connecticut
0.1 mi
Psychiatric Hospital
1000 SILVER STREET
Middletown, CT 06457
  • Reassigned Medicare billing, Connecticut enrollment
  • 89 clinicians in this Medicare group
NPI 1245256247 (860) 262-7153
Catholic Charities, Inc. - Archdiocese Of Hartford
22 mi
Mental Health (Including Community Mental Health Center)
501 LOMBARD ST.
New Haven, CT 06513
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1669566956 (Connecticut)
  • 10 clinicians in this Medicare group
NPI 1518051747 (203) 787-2207

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06457 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 9

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

LAKSHIT JAIN M.B.B.S.
Psychiatry & Neurology (Psychiatry)
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-5000
JONATHAN GWARA RN
Registered Nurse
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-6046
MARTINIESHA BROWN APRN
Registered Nurse (Psychiatric/Mental Health)
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 796-2605
MR. JOHN LEONARD YOUNG M.D.
Psychiatry & Neurology (Psychiatry)
1000 SILVER ST, CONNECTICUT VALLEY HOSPITAL
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-5868
DR. JAMES GUSFA DO
Psychiatry & Neurology (Psychiatry)
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-5000
DR. SAGAR KIRAN PATEL M.D.
Psychiatry & Neurology (Psychiatry)
1000 SILVER ST
WEST HARTFORD, CT 06457
Lower Connecticut River Valley Planning Region (608) 262-5000
RICHARD MIREKU APRN
Psychiatry & Neurology (Psychiatry)
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-5000
MADHURI D SHAH MD
Pediatrics
1000 SILVER ST
MIDDLETOWN, CT 06457
Lower Connecticut River Valley Planning Region (860) 262-5868

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 Gregory Peterson's NPI number?

The NPI number for Gregory Peterson is 1619916962. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Gregory Peterson located?

Gregory Peterson practices at 1000 Silver St, Middletown, CT 06457. The listed phone number is (860) 262-5868.

What is Gregory Peterson's specialty?

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

Is Gregory Peterson enrolled in Medicare?

Yes. Gregory Peterson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Peterson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Peterson reassigns Medicare benefits to 2 organizations: State Of Connecticut (Middletown, CT) and Catholic Charities, Inc. - Archdiocese Of Hartford (New Haven, CT). 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 Gregory Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Peterson 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.