Doctor profile · Federal record
Dr. Roger Keizerstein, LCSW
Social Worker (CMS: Clinical Social Worker) · East Setauket, NY
- NPI 1194885038
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
249 Rt 25A
East Setauket, NY 11733
(631) 689-6382
fax (631) 689-6382
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 104100000X — NUCC code
- State license (1)
- New York #PR0283491
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194885038. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
302
Distinct HCPCS
1
Medicare allowed
$35,464
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 302 | 11 | $117 |
In context: peer comparison
Among 1 peers in East Setauket Social Worker, average services per provider: 302. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Roger Keizerstein's medical specialty?
Dr. Roger Keizerstein practices Social Worker in East Setauket, NY.
Where does Dr. Roger Keizerstein practice?
Dr. Roger Keizerstein practices at 249 Rt 25A, East Setauket, NY 11733. Office phone: 6316896382.
What is Dr. Roger Keizerstein's NPI?
Dr. Roger Keizerstein's National Provider Identifier (NPI) is 1194885038, issued by NPPES.
Does Dr. Roger Keizerstein accept Medicare assignment?
Yes. Dr. Roger Keizerstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Keizerstein commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.