Doctor profile · Federal record
Dr. Gregory Woloschyn, PA-C
Physician Assistant · Concord, CA
- NPI 1801363700
- Accepts Medicare
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1001 Galaxy Way # 400
Concord, CA 945205725
(925) 225-5837 - Additional location
-
211 Hope St # 74
Mountain View, CA 940411306
(330) 648-3034 - Mailing address
-
211 Hope St # 74
Mountain View, CA 940411306
Credentials & registration
- NPI registered
- October 2018 — 8 yrs on file
- Profile last updated
- October 30, 2018
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA56015
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801363700. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
28
Distinct HCPCS
2
Medicare allowed
$2,480
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99283 |
Emergency department visit with low level of medical decision making | 14 | 13 | $66 | |
99284 |
Emergency department visit with moderate level of medical decision making | 14 | 14 | $111 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 34. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
16
Total drug cost
$87
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 16 | 16 | $87 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Woloschyn's medical specialty?
Dr. Gregory Woloschyn practices Physician Assistant in Concord, CA.
Where does Dr. Gregory Woloschyn practice?
Dr. Gregory Woloschyn practices at 1001 Galaxy Way # 400, Concord, CA 945205725. Office phone: 9252255837.
What is Dr. Gregory Woloschyn's NPI?
Dr. Gregory Woloschyn's National Provider Identifier (NPI) is 1801363700, issued by NPPES.
Does Dr. Gregory Woloschyn accept Medicare assignment?
Yes. Dr. Gregory Woloschyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Woloschyn commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.