Doctor profile · Federal record
Dr. Alison Quammen, PA-C
Medical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Billings, MT
- NPI 1518275189
- Accepts Medicare
- MIPS 92.8 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
801 N 29Th St
Billings, MT 591010905
(406) 238-5046 - Mailing address
-
Po Box 35100
Billings, MT 591075100
Credentials & registration
- NPI registered
- September 2010 — 16 yrs on file
- Profile last updated
- December 14, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Montana #MED-PAC-LIC-58146
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518275189. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
277
Distinct HCPCS
2
Medicare allowed
$16,298
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 250 | 236 | $56 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 24 | $83 |
In context: peer comparison
Among 23 peers in Billings Medical Physician Assistant, average services per provider: 89. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$46
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech USA, INC. | 1 | $46.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
106
Patients
104
Total drug cost
$1,076
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 40 | 39 | $372 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 20 | 20 | $204 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 17 | 17 | $123 |
| Prednisone | Generic | 17 | 17 | $38 |
| Cefdinir | Generic | 12 | 11 | $339 |
Frequently asked questions
What is Dr. Alison Quammen's medical specialty?
Dr. Alison Quammen practices Medical Physician Assistant in Billings, MT.
Where does Dr. Alison Quammen practice?
Dr. Alison Quammen practices at 801 N 29Th St, Billings, MT 591010905. Office phone: 4062385046.
What is Dr. Alison Quammen's NPI?
Dr. Alison Quammen's National Provider Identifier (NPI) is 1518275189, issued by NPPES.
Does Dr. Alison Quammen accept Medicare assignment?
Yes. Dr. Alison Quammen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alison Quammen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.