Doctor profile · Federal record
Dr. Donald Ammerman, M.D.
Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Danbury, CT
- NPI 1316032295
- Accepts Medicare
- 21 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
84 Hospital Ave, Cpc Associates
Danbury, CT 06810
(203) 792-6060
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- August 20, 2009
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State licenses (2)
- Connecticut #047925 · New Hampshire #RT1438
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316032295. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
536
Distinct HCPCS
2
Medicare allowed
$39,437
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 289 | 54 | $79 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 247 | 44 | $67 |
In context: peer comparison
Among 7 peers in Danbury Psychiatry Physician, average services per provider: 146. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$279,657
Transactions
389
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 207 | $135,156.38 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 123 | $111,736.50 | |
| Neurocrine Biosciences, INC. | 38 | $32,189.22 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $173.43 | |
| Supernus Pharmaceuticals, INC. | 2 | $86.72 | |
| Teva Pharmaceuticals USA, INC. | 3 | $74.25 | |
| Janssen Pharmaceuticals, INC | 3 | $65.04 | |
| Otsuka America Pharmaceutical, INC. | 3 | $65.03 | |
| Tempus Ai, INC | 2 | $39.60 | |
| Alkermes, INC. | 2 | $34.64 | |
| Vanda Pharmaceuticals INC. | 1 | $19.99 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $16.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
624
Patients
67
Total drug cost
$67,986
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluoxetine Hcl | Generic | 67 | 0 | $1,860 |
| Quetiapine Fumarate | Generic | 61 | 15 | $1,428 |
| Bupropion Xl (Bupropion Hcl) | Brand | 57 | 17 | $3,123 |
| Trazodone Hcl | Generic | 57 | 11 | $1,648 |
| Duloxetine Hcl | Generic | 50 | 11 | $1,761 |
| Desvenlafaxine Succinate ER (Desvenlafaxine Succinate) | Brand | 43 | 0 | $3,668 |
| Escitalopram Oxalate | Generic | 43 | 13 | $750 |
| Buspirone Hcl | Generic | 38 | 0 | $1,084 |
| Sertraline Hcl | Generic | 38 | 0 | $553 |
| Mirtazapine | Generic | 34 | 0 | $865 |
Frequently asked questions
What is Dr. Donald Ammerman's medical specialty?
Dr. Donald Ammerman practices Psychiatry Physician in Danbury, CT.
Where does Dr. Donald Ammerman practice?
Dr. Donald Ammerman practices at 84 Hospital Ave, Danbury, CT 06810. Office phone: 2037926060.
What is Dr. Donald Ammerman's NPI?
Dr. Donald Ammerman's National Provider Identifier (NPI) is 1316032295, issued by NPPES.
Does Dr. Donald Ammerman accept Medicare assignment?
Yes. Dr. Donald Ammerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Ammerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.