MR. NATHANIEL THOMAS NIEVA PA-C
NPI 1619616901
Physician Assistant in Concord, NH

Q: What is Nathaniel Nieva's NPI number?

The NPI number for Nathaniel Nieva is 1619616901. It was assigned to this individual provider in the NPPES registry on June 3, 2022.

Q: What is Nathaniel Nieva's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Nieva was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 03, 2022PECOS EnrolledAccepts Medicare Assignment

264 PLEASANT ST, CONCORD, NH 03301(603) 224-3368(603) 228-7268 Get Directions Write a Review

NPPES record last updated: July 18, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mr. Nathaniel Thomas Nieva Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. NATHANIEL THOMAS NIEVA PA-C (NPI 1619616901) is an individual physician assistant in Concord, New Hampshire, licensed in New Hampshire (2000) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1619616901

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameMR. NATHANIEL THOMAS NIEVACredential: PA-C

Location Address264 PLEASANT STConcord, NH 03301-2551

Mailing Address264 Pleasant StConcord, NH 03301-2551 · (603) 224-3368 · Fax (603) 228-7268

Phone(603) 224-3368

Fax(603) 228-7268

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJune 3, 2022

Last NPPES UpdateJuly 18, 2025

NPPES CertifiedJuly 18, 2025

✔ NPI 1619616901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NH · 2000

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

264 PLEASANT ST, Concord, NH 03301

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Nathaniel Thomas Nieva Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002271269

PECOS Enrollment IDI20230424001688

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

305 services169 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

255 services155 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

105 services70 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

56 services56 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

43 services43 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Concord Hospital

Acute Care Hospitals · Concord, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300001

Location250 Pleasant StConcord, NH 03301 · Merrimack County

Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300012

Location1 Elliot WayManchester, NH 03103 · Hillsborough County

Emergency services Birthing friendly

New London Hospital

Critical Access Hospitals · New London, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number301304

Location273 County RoadNew London, NH 03257 · Merrimack County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.14 typical visit price

range $57.75 – $174.26

Typical copayment $22.28 (range $14.43 – $43.56)

Most-billed visit code 99203

Established Patient

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STASIA C BOGACZ PA-C

Physician Assistant