Doctor profile · Federal record
Dr. Tammy Acker, PMH-NP
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Timonium, MD
- NPI 1225384431
- Accepts Medicare
- MIPS 79.8 / 100 · 2023
- 14 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1931 Greenspring Drive
Timonium, MD 21093
(410) 453-9553 - Additional location
-
2225 N Charles St
Baltimore, MD 212185778 - Additional location
-
288 E Green St
Westminster, MD 211575410 - Mailing address
-
849 Fairmount Ave Fl 5
Baltimore, MD 212862624
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Profile last updated
- September 11, 2024
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Maryland #R188521
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225384431. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
362
Distinct HCPCS
3
Medicare allowed
$26,594
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 330 | 49 | $70 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 16 | $115 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $102 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 120. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
147
Patients
63
Total drug cost
$4,293
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Olanzapine | Generic | 40 | 12 | $2,145 |
| Divalproex Sodium | Generic | 20 | 15 | $642 |
| Benztropine Mesylate | Generic | 19 | 14 | $334 |
| Lithium Carbonate Er (Lithium Carbonate) | Brand | 18 | 11 | $363 |
| Haloperidol | Generic | 15 | 11 | $417 |
| Trazodone Hcl | Generic | 13 | 0 | $126 |
| Clozapine | Generic | 11 | 0 | $149 |
| Quetiapine Fumarate | Generic | 11 | 0 | $117 |
Frequently asked questions
What is Dr. Tammy Acker's medical specialty?
Dr. Tammy Acker practices Psychiatric/Mental Health Nurse Practitioner in Timonium, MD.
Where does Dr. Tammy Acker practice?
Dr. Tammy Acker practices at 1931 Greenspring Drive, Timonium, MD 21093. Office phone: 4104539553.
What is Dr. Tammy Acker's NPI?
Dr. Tammy Acker's National Provider Identifier (NPI) is 1225384431, issued by NPPES.
Does Dr. Tammy Acker accept Medicare assignment?
Yes. Dr. Tammy Acker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Acker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.