Doctor profile · Federal record
Dr. William Charmak, PHD
Clinical Psychologist · Cognitive & Behavioral Psychologist · Clinical Psychologist · Counseling Psychologist · Nashua, NH
- NPI 1710078068
- Accepts Medicare
- 38 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
19 Tyler St Ste 103
Nashua, NH 030602951
(603) 577-5375
fax (603) 577-5609 - Mailing address
-
Po Box 3677
Nashua, NH 030613677
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 24, 2023
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State licenses (2)
- New Hampshire #1533 · Maryland #03296
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710078068. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,428
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90791 |
Psychiatric diagnostic evaluation | 14 | 14 | $173 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 60. This provider delivers 0.2× the peer median.Frequently asked questions
What is Dr. William Charmak's medical specialty?
Dr. William Charmak practices Clinical Psychologist in Nashua, NH.
Where does Dr. William Charmak practice?
Dr. William Charmak practices at 19 Tyler St Ste 103, Nashua, NH 030602951. Office phone: 6035775375.
What is Dr. William Charmak's NPI?
Dr. William Charmak's National Provider Identifier (NPI) is 1710078068, issued by NPPES.
Does Dr. William Charmak accept Medicare assignment?
Yes. Dr. William Charmak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Charmak commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.