Doctor profile · Federal record
Dr. Gregory Armstrong, PAC
Physician Assistant · Willoughby, OH
- NPI 1275594129
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
36000 Euclid Ave
Willoughby, OH 44094
(440) 953-6203
fax (440) 953-6202 - Mailing address
-
24701 Euclid Ave, 3Rd Floor
Euclid, OH 441171714
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 5, 2011
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Ohio #50000324
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275594129. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
3
Medicare allowed
$5,087
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 32 | 32 | $101 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 16 | 15 | $7 | |
99285 |
Emergency department visit with high level of medical decision making | 12 | 12 | $146 |
In context: peer comparison
Among 8 peers in Willoughby Physician Assistant, average services per provider: 40. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
11
Total drug cost
$33
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 11 | 11 | $33 |
Frequently asked questions
What is Dr. Gregory Armstrong's medical specialty?
Dr. Gregory Armstrong practices Physician Assistant in Willoughby, OH.
Where does Dr. Gregory Armstrong practice?
Dr. Gregory Armstrong practices at 36000 Euclid Ave, Willoughby, OH 44094. Office phone: 4409536203.
What is Dr. Gregory Armstrong's NPI?
Dr. Gregory Armstrong's National Provider Identifier (NPI) is 1275594129, issued by NPPES.
What procedures does Dr. Gregory Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.