Doctor profile · Federal record
Dr. Zachary Kosak, MD
Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Philadelphia, PA
- NPI 1619438322
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3737 Market St Fl 9
Philadelphia, PA 191045545
(215) 662-8777
fax (215) 243-4601
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- October 25, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Pennsylvania #MD476679
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619438322. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
158
Distinct HCPCS
6
Medicare allowed
$13,346
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 45 | $92 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 43 | 20 | $81 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 18 | $56 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $83 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 14 | 14 | $68 | |
99239 |
Hospital discharge day management, more than 30 minutes | 13 | 13 | $118 |
In context: peer comparison
Among 166 peers in this city , average services per provider: 84. This provider delivers 1.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
519
Patients
100
Total drug cost
$54,184
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 73 | 29 | $1,333 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 60 | 16 | $2,386 |
| Fluticasone Propionate | Generic | 53 | 14 | $723 |
| Amlodipine Besylate | Generic | 51 | 19 | $338 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 35 | 11 | $397 |
| Duloxetine Hcl | Generic | 31 | 0 | $1,958 |
| Ozempic (Semaglutide) | Brand | 30 | 0 | $29,522 |
| Metformin Hcl | Generic | 27 | 0 | $428 |
| Pravastatin Sodium | Generic | 24 | 0 | $389 |
| Famotidine | Generic | 23 | 0 | $453 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Kosak's medical specialty?
Dr. Zachary Kosak practices Family Medicine Physician in Philadelphia, PA.
Where does Dr. Zachary Kosak practice?
Dr. Zachary Kosak practices at 3737 Market St Fl 9, Philadelphia, PA 191045545. Office phone: 2156628777.
What is Dr. Zachary Kosak's NPI?
Dr. Zachary Kosak's National Provider Identifier (NPI) is 1619438322, issued by NPPES.
Does Dr. Zachary Kosak accept Medicare assignment?
Yes. Dr. Zachary Kosak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Kosak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.