Doctor profile · Federal record
Dr. Darren Hammergren, NP
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Psychiatric/Mental Health Registered Nurse · Tucson, AZ
- NPI 1386669885
- Accepts Medicare
- 20 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5920 E Pima St Ste 140
Tucson, AZ 857124380
(520) 747-2861
fax (520) 733-3444
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 25, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State licenses (2)
- Arizona #AP 2617 · Arizona #RN108557
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386669885. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
5
Medicare allowed
$34,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 199 | 65 | $103 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 61 | 30 | $105 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 33 | $73 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 39 | 24 | $57 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 11 | $147 |
In context: peer comparison
Among 38 peers in this city , average services per provider: 110. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$797
Transactions
42
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 11 | $183.85 | |
| Teva Pharmaceuticals USA, Inc. | 7 | $136.02 | |
| Janssen Pharmaceuticals, Inc | 6 | $133.70 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 8 | $130.06 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $55.73 | |
| Neurocrine Biosciences, Inc. | 2 | $44.29 | |
| Alkermes, Inc. | 2 | $36.93 | |
| Bausch Health US, LLC | 2 | $36.38 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $20.71 | |
| Axsome Therapeutics, Inc. | 1 | $18.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
817
Patients
114
Total drug cost
$28,564
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 96 | 26 | $2,152 |
| Lamotrigine | Generic | 89 | 24 | $1,799 |
| Lorazepam | Generic | 83 | 12 | $277 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 71 | 0 | $3,565 |
| Desvenlafaxine Succinate Er (Desvenlafaxine Succinate) | Brand | 69 | 14 | $7,853 |
| Clonazepam | Generic | 53 | 13 | $264 |
| Bupropion Xl (Bupropion Hcl) | Brand | 52 | 13 | $2,702 |
| Duloxetine Hcl | Generic | 49 | 12 | $1,899 |
| Quetiapine Fumarate | Generic | 48 | 0 | $2,243 |
| Bupropion Hcl Sr (Bupropion Hcl) | Brand | 42 | 0 | $1,424 |
Frequently asked questions
What is Dr. Darren Hammergren's medical specialty?
Dr. Darren Hammergren practices Psychiatric/Mental Health Nurse Practitioner in Tucson, AZ.
Where does Dr. Darren Hammergren practice?
Dr. Darren Hammergren practices at 5920 E Pima St Ste 140, Tucson, AZ 857124380. Office phone: 5207472861.
What is Dr. Darren Hammergren's NPI?
Dr. Darren Hammergren's National Provider Identifier (NPI) is 1386669885, issued by NPPES.
Does Dr. Darren Hammergren accept Medicare assignment?
Yes. Dr. Darren Hammergren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Hammergren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.