Doctor profile · Federal record
Dr. Alexander Zwil, MD
Psychiatry Physician (CMS: Psychiatry) · Geriatric Psychiatry Physician · Philadelphia, PA
- NPI 1861540601
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3535 Market St, 3Rd Floor
Philadelphia, PA 191043309
(215) 746-6700
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- February 1, 2016
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Pennsylvania #MD033807E
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861540601. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
458
Distinct HCPCS
4
Medicare allowed
$40,023
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 217 | 68 | $64 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 206 | 65 | $100 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 20 | 20 | $173 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $135 |
In context: peer comparison
Among 90 peers in this city , average services per provider: 143. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,358
Patients
205
Total drug cost
$49,281
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Risperidone | Generic | 191 | 29 | $3,119 |
| Quetiapine Fumarate | Generic | 176 | 37 | $5,669 |
| Lamotrigine | Generic | 174 | 28 | $2,465 |
| Sertraline Hcl | Generic | 118 | 20 | $1,504 |
| Quetiapine Fumarate Er (Quetiapine Fumarate) | Brand | 92 | 14 | $9,380 |
| Duloxetine Hcl | Generic | 91 | 12 | $2,851 |
| Carbamazepine Er (Carbamazepine) | Brand | 87 | 15 | $9,789 |
| Clozapine | Generic | 70 | 0 | $4,065 |
| Desvenlafaxine Succinate Er (Desvenlafaxine Succinate) | Brand | 70 | 12 | $3,378 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 64 | 0 | $1,784 |
Frequently asked questions
What is Dr. Alexander Zwil's medical specialty?
Dr. Alexander Zwil practices Psychiatry Physician in Philadelphia, PA.
Where does Dr. Alexander Zwil practice?
Dr. Alexander Zwil practices at 3535 Market St, Philadelphia, PA 191043309. Office phone: 2157466700.
What is Dr. Alexander Zwil's NPI?
Dr. Alexander Zwil's National Provider Identifier (NPI) is 1861540601, issued by NPPES.
Does Dr. Alexander Zwil accept Medicare assignment?
Yes. Dr. Alexander Zwil accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Zwil commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.