Doctor profile · Federal record
Dr. Benjamin Alderfer, M.D.
Psychiatry Physician (CMS: Psychiatry) · Denver, CO
- NPI 1174620025
- Accepts Medicare
- MIPS 77.2 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2525 S Downing St
Denver, CO 802105817
(303) 765-6858
fax (303) 765-6722
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 29, 2011
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Colorado #DR-43637
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174620025. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,365
Distinct HCPCS
8
Medicare allowed
$124,921
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90870 |
Therapy using electrical currents | 347 | 41 | $101 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 330 | 45 | $79 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 301 | 50 | $62 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 237 | 20 | $120 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 46 | 24 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 36 | $161 | |
99239 |
Hospital discharge day management, more than 30 minutes | 35 | 32 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 29 | 12 | $92 |
In context: peer comparison
Among 24 peers in Denver Psychiatry Physician, average services per provider: 101. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
488
Patients
128
Total drug cost
$10,300
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lorazepam | Generic | 90 | 26 | $574 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 77 | 26 | $2,599 |
| Risperidone | Generic | 39 | 12 | $847 |
| Lithium Carbonate ER (Lithium Carbonate) | Brand | 32 | 0 | $429 |
| Nortriptyline Hcl | Generic | 32 | 0 | $636 |
| Olanzapine | Generic | 29 | 18 | $602 |
| Trazodone Hcl | Generic | 28 | 20 | $419 |
| Clonazepam | Generic | 25 | 0 | $104 |
| Divalproex Sodium | Generic | 24 | 13 | $486 |
| Donepezil Hcl | Generic | 23 | 0 | $254 |
Frequently asked questions
What is Dr. Benjamin Alderfer's medical specialty?
Dr. Benjamin Alderfer practices Psychiatry Physician in Denver, CO.
Where does Dr. Benjamin Alderfer practice?
Dr. Benjamin Alderfer practices at 2525 S Downing St, Denver, CO 802105817. Office phone: 3037656858.
What is Dr. Benjamin Alderfer's NPI?
Dr. Benjamin Alderfer's National Provider Identifier (NPI) is 1174620025, issued by NPPES.
Does Dr. Benjamin Alderfer accept Medicare assignment?
Yes. Dr. Benjamin Alderfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Alderfer commonly perform?
Top Medicare-reported procedures in 2023: Therapy using electrical currents (HCPCS 90870); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.