Doctor profile · Federal record
Dr. Nathaniel Nieva, PA-C
Physician Assistant · Physician Assistant · Concord, NH
- NPI 1619616901
- Accepts Medicare
- 4 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
264 Pleasant St
Concord, NH 033012551
(603) 224-3368
fax (603) 228-7268 - Additional location
-
185 Queen City Ave
Manchester, NH 031017121
(603) 625-1655
Credentials & registration
- NPI registered
- June 2022 — 4 yrs on file
- Profile last updated
- July 18, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- New Hampshire #2000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619616901. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
277
Distinct HCPCS
5
Medicare allowed
$16,565
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 94 | 68 | $56 | |
20610 |
Aspiration and/or injection of fluid from large joint | 93 | 78 | $41 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 32 | $82 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $70 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $109 |
In context: peer comparison
Among 43 peers in this city , average services per provider: 71. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
37
Total drug cost
$320
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Meloxicam | Generic | 15 | 12 | $52 |
| Oxycodone Hcl | Generic | 14 | 14 | $112 |
| Methylprednisolone | Generic | 12 | 11 | $156 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathaniel Nieva's medical specialty?
Dr. Nathaniel Nieva practices Physician Assistant in Concord, NH.
Where does Dr. Nathaniel Nieva practice?
Dr. Nathaniel Nieva practices at 264 Pleasant St, Concord, NH 033012551. Office phone: 6032243368.
What is Dr. Nathaniel Nieva's NPI?
Dr. Nathaniel Nieva's National Provider Identifier (NPI) is 1619616901, issued by NPPES.
Does Dr. Nathaniel Nieva accept Medicare assignment?
Yes. Dr. Nathaniel Nieva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Nieva commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.