DR. GELLER WI S C
NPI 1821946310
Psychiatry & Neurology - Psychiatry in Watertown, WI

Q: What is Dr. Geller Wi S C's NPI number?

The NPI number for Dr. Geller Wi S C is 1821946310. It was assigned to this organization in the NPPES registry on March 19, 2026.

Q: What is Dr. Geller Wi S C's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dr. Geller Wi S C was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 19, 2026

121 HOSPITAL DR, WATERTOWN, WI 53098(646) 303-7650(646) 222-6468 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 13, 2026, Mar 19, 2026 (2 updates tracked since 2026).

On this page

About Dr. Geller Wi S C NPPES

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

DR. GELLER WI S C (NPI 1821946310) is a healthcare organization registered as a psychiatry in Watertown, Wisconsin and active in the NPI registry since March 2026. The organization lists Felix Geller, Owner, as its authorized official.

NPPES Registry Identity

NPI1821946310

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameDR. GELLER WI S C

Location Address121 HOSPITAL DRWatertown, WI 53098-3303

Mailing Address2119 Orien RdToms River, NJ 08755-1366 · (646) 303-7650 · Fax (646) 222-6468

Phone(646) 303-7650

Fax(646) 222-6468

Organization SubpartNo

Authorized OfficialFelix GellerOwner · (646) 303-7650

Enumeration DateMarch 19, 2026

Last NPPES UpdateApril 13, 20262 updates tracked since enumeration

NPPES CertifiedApril 13, 2026

✔ NPI 1821946310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

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.

121 HOSPITAL DR, Watertown, WI 53098

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Geller Wi S C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr. Geller Wi S C, which bills Medicare for the services this clinician delivers.

Clinician (1)

Felix Geller, MD

Psychiatry

NPI 1902073216

40 BEY LEA RD STE C101
Toms River, NJ 08753

(732) 831-6094

✔ PECOS✔ Accepts Medicare782 mi

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

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 Dr. Geller Wi S C's NPI number?

The NPI number for Dr. Geller Wi S C is 1821946310. It was assigned to this organization in the NPPES registry on March 19, 2026.

Where is Dr. Geller Wi S C located?

Dr. Geller Wi S C is located at 121 Hospital Dr, Watertown, WI 53098. The listed phone number is (646) 303-7650.

What is Dr. Geller Wi S C's specialty?

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

Is Dr. Geller Wi S C enrolled in Medicare?

Yes. Dr. Geller Wi S C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr. Geller Wi S C?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Dr. Geller Wi S C. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Dr. Geller Wi S C accept?

Health plans from Anthem Blue Cross and Blue Shield list Dr. Geller Wi S C 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 Dr. Geller Wi S C was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.