Nathaniel Thomas Nieva, PA-C
- Medicare patients, 2024
- 274
- Part D claims, 2024
- 183
- Hospital affiliations
- 3
- Industry payments
- $27
- Medical group
- 1
- Practice address
- 264 Pleasant St, Concord, NH 03301
- Practice phone
- Call (603) 228-7211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Concord Orthopaedics - Surgery Center Concord
Concord, New Hampshire
Find Nathaniel Nieva's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Nathaniel Thomas Nieva is a physician assistant in Concord, New Hampshire
Nathaniel Nieva practices at Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire.
Nathaniel Nieva's NPI, 1619616901, was assigned on June 3, 2022. Nathaniel Nieva holds New Hampshire license 2000.
- NPI
- 1619616901NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002271269
- NPI enumeration date
- June 3, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 228-7211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nathaniel Thomas Nieva practices at Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire
Nathaniel Nieva's primary practice is Concord Orthopaedics - Surgery Center Concord, at 264 Pleasant St, Concord, NH 03301 in Merrimack County. The practice phone is (603) 228-7211.
- Concord Orthopaedics - Surgery Center Concord264 Pleasant St, Concord, NH 03301 · Merrimack CountyPhone(603) 228-7211
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nathaniel Thomas Nieva is affiliated with 5 sites of care and 1 medical group
Nathaniel Nieva's primary practice is Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire. Nathaniel Nieva is also affiliated with Concord Hospital. The medical group on file is Northeast Orthopaedic Alliance. Dmand AI also links Nathaniel Nieva to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Nathaniel Thomas Nieva's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathaniel Nieva practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concord Orthopaedics - Surgery Center Concord | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathaniel Thomas Nieva is one of 796 physician assistants in New Hampshire
Physician assistant is Nathaniel Nieva's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Nathaniel Nieva is licensed in New Hampshire.
Specialties and state licenses
- Physician assistant, New HampshirePrimary
Physician assistants near Nathaniel Nieva
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Nathaniel Thomas Nieva treated 274 Medicare patients in 2024, average age 73
CMS counts 274 Medicare patients who saw Nathaniel Nieva in 2024. The largest group is 65 to 74, with 146 patients. 75% of them have arthritis, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nathaniel Nieva's median patient age at 69, with 65% women.
Nathaniel Nieva's Medicare patients by age, 2024
Nathaniel Nieva's Medicare patients by sex, 2024
- Women18166%
- Men9334%
Chronic conditions among Nathaniel Nieva's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure65%
- Anxiety30%
- Mood disorders29%
- Depression28%
- Diabetes22%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Nathaniel Nieva's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nathaniel Thomas Nieva wrote 183 Medicare Part D claims in 2024
In 2024, Nathaniel Nieva wrote 183 Medicare Part D claims for 100 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Nathaniel Nieva's Part D claims, 2024
- Opioids47%86 of 183 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Nathaniel Thomas Nieva takes part in Medicare
Nathaniel Nieva accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Nathaniel Thomas Nieva received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Nathaniel Nieva from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $27.
Companies that paid Nathaniel Nieva the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Nathaniel Thomas Nieva's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Nathaniel Thomas Nieva
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathaniel Thomas Nieva's NPI number?
Nathaniel Thomas Nieva's NPI number is 1619616901. It was assigned on June 3, 2022, and it is active in the NPI Registry.
What does Nathaniel Thomas Nieva specialize in?
Nathaniel Thomas Nieva is a physician assistant in Concord, New Hampshire. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Nathaniel Thomas Nieva practice?
Nathaniel Nieva practices at 264 Pleasant St, Concord, NH 03301. Nathaniel Nieva's primary practice is Concord Orthopaedics - Surgery Center Concord in Concord, New Hampshire. Dmand AI also links Nathaniel Nieva to 2 hospitals and 1 group practice or clinic.
What is Nathaniel Thomas Nieva's office phone number?
The practice phone on file for Nathaniel Nieva is (603) 228-7211.
What is Nathaniel Thomas Nieva's medical license number?
Nathaniel Nieva holds New Hampshire license 2000, one of 2 state licenses on file.
Which hospitals is Nathaniel Thomas Nieva affiliated with?
Nathaniel Nieva is affiliated with Concord Hospital. Dmand AI links Nathaniel Nieva to 2 more hospitals.
What medical group is Nathaniel Thomas Nieva part of?
Nathaniel Nieva is linked to Northeast Orthopaedic Alliance.
Does Nathaniel Thomas Nieva accept Medicare?
Yes. CMS lists Nathaniel Nieva as accepting Medicare assignment.
How many Medicare patients does Nathaniel Thomas Nieva see?
CMS counts 274 Medicare patients who saw Nathaniel Nieva in 2024, with an average age of 73.
Has Nathaniel Thomas Nieva received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Nathaniel Nieva from 1 company from 2025 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Nathaniel Thomas Nieva been practicing?
Nathaniel Nieva graduated from medical school in 2022, 4 years ago.
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