Doctor profile · Federal record
Dr. Joseph Ahn, M.D.
Psychiatry Physician (CMS: Psychiatry) · Student in an Organized Health Care Education/Training Program · Boston, MA
- NPI 1477812733
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St # 812
Boston, MA 021142621
(617) 724-5600 - Additional location
-
One Medical Center Drive, Dhmc Department of Psychiatry
Lebanon, NH 037561000
(603) 650-5000 - Mailing address
-
15 Parkman St, Wac812
Boston, MA 021143117
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- March 18, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Massachusetts #267629
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477812733. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
479
Distinct HCPCS
4
Medicare allowed
$59,035
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99443 |
Telephone medical discussion with physician, 21-30 minutes | 183 | 55 | $103 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 151 | 58 | $152 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 45 | $103 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 29 | 29 | $180 |
In context: peer comparison
Among 128 peers in Boston Psychiatry Physician, average services per provider: 69. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,061
Patients
216
Total drug cost
$30,666
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 156 | 29 | $1,505 |
| Bupropion Xl (Bupropion Hcl) | Brand | 103 | 27 | $5,022 |
| Lorazepam | Generic | 94 | 17 | $670 |
| Trazodone Hcl | Generic | 83 | 35 | $1,425 |
| Alprazolam | Generic | 77 | 0 | $814 |
| Sertraline Hcl | Generic | 75 | 22 | $1,148 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 74 | 21 | $2,275 |
| Quetiapine Fumarate | Generic | 73 | 15 | $3,588 |
| Mirtazapine | Generic | 66 | 18 | $2,198 |
| Duloxetine Hcl | Generic | 54 | 0 | $2,844 |
Frequently asked questions
What is Dr. Joseph Ahn's medical specialty?
Dr. Joseph Ahn practices Psychiatry Physician in Boston, MA.
Where does Dr. Joseph Ahn practice?
Dr. Joseph Ahn practices at 55 Fruit St # 812, Boston, MA 021142621. Office phone: 6177245600.
What is Dr. Joseph Ahn's NPI?
Dr. Joseph Ahn's National Provider Identifier (NPI) is 1477812733, issued by NPPES.
Does Dr. Joseph Ahn accept Medicare assignment?
Yes. Dr. Joseph Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Ahn commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.