Doctor profile · Federal record
Dr. Nathan Vassill, PA-C
Physician Assistant · Somersworth, NH
- NPI 1528371473
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7 Marsh Brook Dr, Suite 100
Somersworth, NH 038786523
(603) 742-2007
fax (603) 749-4605
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- November 15, 2014
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528371473. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
965
Distinct HCPCS
10
Medicare allowed
$45,687
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 370 | 56 | $1 | |
20610 |
Aspiration and/or injection of fluid from large joint | 140 | 71 | $64 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 137 | 131 | $70 | |
J7323 |
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose | 89 | 27 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 66 | 42 | $67 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 25 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 26 | $109 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $96 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 20 | 16 | $48 | |
99283 |
Emergency department visit with low level of medical decision making | 19 | 19 | $60 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 71. This provider delivers 14× the peer median.Frequently asked questions
What is Dr. Nathan Vassill's medical specialty?
Dr. Nathan Vassill practices Physician Assistant in Somersworth, NH.
Where does Dr. Nathan Vassill practice?
Dr. Nathan Vassill practices at 7 Marsh Brook Dr, Somersworth, NH 038786523. Office phone: 6037422007.
What is Dr. Nathan Vassill's NPI?
Dr. Nathan Vassill's National Provider Identifier (NPI) is 1528371473, issued by NPPES.
Does Dr. Nathan Vassill accept Medicare assignment?
Yes. Dr. Nathan Vassill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Vassill commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.