Doctor profile · Federal record
Dr. Mark Armstrong, M.D.
Surgery Physician (CMS: General Surgery) · Port Matilda, PA
- NPI 1013981711
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
132 Abigail Ln
Port Matilda, PA 168707153
(814) 272-5011
fax (814) 272-6531 - Mailing address
-
100 N Academy Ave
Danville, PA 178223034
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 15, 2020
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Pennsylvania #MD043637L
- Medicaid
- PA #000141751
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013981711. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
86
Distinct HCPCS
5
Medicare allowed
$10,334
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 19 | 19 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 14 | $86 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $159 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 16 | 16 | $107 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $122 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 22. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ethicon US, LLC | 1 | $18.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
20
Patients
19
Total drug cost
$35
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 20 | 19 | $35 |
Frequently asked questions
What is Dr. Mark Armstrong's medical specialty?
Dr. Mark Armstrong practices Surgery Physician in Port Matilda, PA.
Where does Dr. Mark Armstrong practice?
Dr. Mark Armstrong practices at 132 Abigail Ln, Port Matilda, PA 168707153. Office phone: 8142725011.
What is Dr. Mark Armstrong's NPI?
Dr. Mark Armstrong's National Provider Identifier (NPI) is 1013981711, issued by NPPES.
Does Dr. Mark Armstrong accept Medicare assignment?
Yes. Dr. Mark Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.