Doctor profile · Federal record
Dr. Margaret Sewell, PH.D.
Clinical Neuropsychologist (CMS: Clinical Psychologist) · New York, NY
- NPI 1952331522
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Gustave L Levy Pl, Mount Sinai Medical Center Box 1230
New York, NY 100296500
(212) 241-0188
fax (212) 996-0987
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 103G00000X — NUCC code
- State license (1)
- New York #013275-1
- Medicaid
- NY #02009034
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952331522. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
694
Distinct HCPCS
6
Medicare allowed
$62,012
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96133 |
Evaluation of neuropsychological test, each additional hour | 256 | 65 | $110 | |
96137 |
Administration of psychological or neuropsychological test, each additional 30 minutes | 239 | 65 | $45 | |
96132 |
Evaluation of neuropsychological test, first hour | 65 | 65 | $146 | |
96136 |
Administration of psychological or neuropsychological test, first 30 minutes | 65 | 65 | $49 | |
90791 |
Psychiatric diagnostic evaluation | 37 | 37 | $194 | |
96116 |
Exam of neurobehavioral status, first hour | 32 | 32 | $104 |
In context: peer comparison
Among 17 peers in New York Clinical Neuropsychologist, average services per provider: 94. This provider delivers 7.4× the peer median.Frequently asked questions
What is Dr. Margaret Sewell's medical specialty?
Dr. Margaret Sewell practices Clinical Neuropsychologist in New York, NY.
Where does Dr. Margaret Sewell practice?
Dr. Margaret Sewell practices at 1 Gustave L Levy Pl, New York, NY 100296500. Office phone: 2122410188.
What is Dr. Margaret Sewell's NPI?
Dr. Margaret Sewell's National Provider Identifier (NPI) is 1952331522, issued by NPPES.
Does Dr. Margaret Sewell accept Medicare assignment?
Yes. Dr. Margaret Sewell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Sewell commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Administration of psychological or neuropsychological test (HCPCS 96137); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.