Doctor profile · Federal record
Dr. Mark Pierson, PA-C
Physician Assistant · Billings, MT
- NPI 1508858234
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2900 12Th Ave N, Suite 140W
Billings, MT 591017506
(406) 238-6540
fax (406) 238-6599
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- March 24, 2015
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Montana #414
- Medicaid (2)
- WY #121839500 · MT #4306705
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508858234. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,181
Distinct HCPCS
10
Medicare allowed
$56,271
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 1,126 | 80 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 174 | 145 | $77 | |
73140 |
X-ray of finger, minimum of 2 views | 101 | 52 | $27 | |
73030 |
X-ray of shoulder, minimum of 2 views | 91 | 50 | $25 | |
20600 |
Aspiration and/or injection of fluid from small joint | 89 | 49 | $40 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 79 | 55 | $7 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 77 | 77 | $95 | |
20610 |
Aspiration and/or injection of fluid from large joint | 68 | 36 | $59 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 65 | 63 | $108 | |
73110 |
X-ray of wrist, minimum of 3 views | 56 | 36 | $30 |
In context: peer comparison
Among 47 peers in Billings Physician Assistant, average services per provider: 109. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
43
Patients
24
Total drug cost
$273
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 11 | $159 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 15 | 13 | $89 |
| Tramadol Hcl | Generic | 11 | 0 | $24 |
Frequently asked questions
What is Dr. Mark Pierson's medical specialty?
Dr. Mark Pierson practices Physician Assistant in Billings, MT.
Where does Dr. Mark Pierson practice?
Dr. Mark Pierson practices at 2900 12Th Ave N, Billings, MT 591017506. Office phone: 4062386540.
What is Dr. Mark Pierson's NPI?
Dr. Mark Pierson's National Provider Identifier (NPI) is 1508858234, issued by NPPES.
Does Dr. Mark Pierson accept Medicare assignment?
Yes. Dr. Mark Pierson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Pierson commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); X-ray of finger, minimum of 2 views (HCPCS 73140). Source: CMS Medicare Physician & Other Practitioners file.