Doctor profile · Federal record
Dr. Payson Ayer-Dufner, PA-C
Physician Assistant · Keene, NH
- NPI 1124424379
- Accepts Medicare
- MIPS 76.0 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
590 Court St, Dhc - Ortho
Keene, NH 034311719
(603) 354-5482
Credentials & registration
- NPI registered
- November 2014 — 12 yrs on file
- Profile last updated
- December 1, 2014
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- New Hampshire #1055
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124424379. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
619
Distinct HCPCS
8
Medicare allowed
$38,283
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 174 | 142 | $56 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 153 | 126 | $84 | |
20550 |
Injection into tendon or ligament | 132 | 77 | $31 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 53 | 53 | $71 | |
20600 |
Aspiration and/or injection of fluid from small joint | 35 | 22 | $34 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $114 | |
20526 |
Injection of carpal tunnel | 25 | 20 | $53 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $111 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 83. This provider delivers 7.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
86
Patients
61
Total drug cost
$1,113
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 39 | 29 | $351 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 19 | 18 | $116 |
| Celecoxib | Generic | 16 | 14 | $368 |
| Pantoprazole Sodium | Generic | 12 | 0 | $278 |
Hospital affiliations
Frequently asked questions
What is Dr. Payson Ayer-Dufner's medical specialty?
Dr. Payson Ayer-Dufner practices Physician Assistant in Keene, NH.
Where does Dr. Payson Ayer-Dufner practice?
Dr. Payson Ayer-Dufner practices at 590 Court St, Keene, NH 034311719. Office phone: 6033545482.
What is Dr. Payson Ayer-Dufner's NPI?
Dr. Payson Ayer-Dufner's National Provider Identifier (NPI) is 1124424379, issued by NPPES.
Does Dr. Payson Ayer-Dufner accept Medicare assignment?
Yes. Dr. Payson Ayer-Dufner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Payson Ayer-Dufner 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); Injection into tendon or ligament (HCPCS 20550). Source: CMS Medicare Physician & Other Practitioners file.