Doctor profile · Federal record
Dr. William Kirby, PH.D.
Psychologist (CMS: Clinical Psychologist) · Psychologist · Garden City, NY
- NPI 1124041678
- Accepts Medicare
- 38 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7 Warton Pl
Garden City, NY 115303050
(516) 742-6530
fax (516) 747-3647
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 103T00000X — NUCC code
- State licenses (2)
- New York #010204 · New Jersey #SI02715
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124041678. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
237
Distinct HCPCS
1
Medicare allowed
$26,034
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 237 | 16 | $110 |
In context: peer comparison
Among 3 peers in Garden City Psychologist, average services per provider: 340. This provider delivers 0.7× the peer median.Frequently asked questions
What is Dr. William Kirby's medical specialty?
Dr. William Kirby practices Psychologist in Garden City, NY.
Where does Dr. William Kirby practice?
Dr. William Kirby practices at 7 Warton Pl, Garden City, NY 115303050. Office phone: 5167426530.
What is Dr. William Kirby's NPI?
Dr. William Kirby's National Provider Identifier (NPI) is 1124041678, issued by NPPES.
Does Dr. William Kirby accept Medicare assignment?
Yes. Dr. William Kirby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Kirby commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.