Doctor profile · Federal record
Dr. Mary Barker, PSY.D.
Clinical Psychologist · Brooklyn, NY
- NPI 1285816967
- Accepts Medicare
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3512 Quentin RD
Brooklyn, NY 112344231
(800) 275-3243
fax (800) 275-3671
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- March 19, 2013
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- New York #017445-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285816967. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
839
Distinct HCPCS
3
Medicare allowed
$103,222
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 683 | 115 | $110 | |
90791 |
Psychiatric diagnostic evaluation | 138 | 135 | $192 | |
90834 |
Psychotherapy, 45 minutes | 18 | 17 | $96 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 208. This provider delivers 4.0× the peer median.Frequently asked questions
What is Dr. Mary Barker's medical specialty?
Dr. Mary Barker practices Clinical Psychologist in Brooklyn, NY.
Where does Dr. Mary Barker practice?
Dr. Mary Barker practices at 3512 Quentin RD, Brooklyn, NY 112344231. Office phone: 8002753243.
What is Dr. Mary Barker's NPI?
Dr. Mary Barker's National Provider Identifier (NPI) is 1285816967, issued by NPPES.
Does Dr. Mary Barker accept Medicare assignment?
Yes. Dr. Mary Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Barker commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.