DR. KEITH ROBERT GONSOR PH.D.
NPI 1497822787
Psychologist - Clinical in Massapequa, NY
About Dr. Keith Robert Gonsor Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH ROBERT GONSOR PH.D. (NPI 1497822787) is an individual clinical provider in Massapequa, New York, licensed in New York (010346) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Keith Robert Gonsor 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.
Medicare Billing Reassignments
2Medicare enrollment records show Keith Gonsor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 436 clinicians in this Medicare group
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 457 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11758 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Keith Gonsor's NPI number?
The NPI number for Keith Gonsor is 1497822787. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Keith Gonsor located?
Keith Gonsor practices at 627 Broadway Suite 200, Massapequa, NY 11758. The listed phone number is (516) 799-6001.
What is Keith Gonsor's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Keith Gonsor enrolled in Medicare?
Yes. Keith Gonsor 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.
Which organizations bill Medicare for Keith Gonsor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Gonsor reassigns Medicare benefits to 2 organizations: Knapp Street Psychiatry, PC (Brooklyn, NY) and Che Senior Psychological Services, PC (Brooklyn, NY). 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 Keith Gonsor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Gonsor accept?
Health plans from Oscar Health list Keith Gonsor 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 Keith Gonsor was last updated on July 9, 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.
# Dr. Keith Robert Gonsor, PH.D. · NPI 1497822787
Clinical provider in Massapequa, New York. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1497822787 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 010346 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 627 BROADWAY, SUITE 200, Massapequa, NY 11758-5031
- **Phone:** (516) 799-6001 · **Fax:** (516) 799-4464
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Knapp Street Psychiatry, PC (NPI 1043248776, Brooklyn, NY); Che Senior Psychological Services, PC (NPI 1023078219, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare UPIN R27893 (NY); Medicare ID-Type Unspecified 00772 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1497822787) · Data from the CMS NPPES public registry.