Nathaniel A. Welly, PA-C
- Medicare patients, 2024
- 409
- Part D claims, 2024
- 12,416
- Hospital affiliations
- 2
- Industry payments
- $362
- Medical group
- 1
- Practice address
- 203 S Candy Ln, Cottonwood, AZ 86326
- Practice phone
- Call (928) 777-9600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optima Medical
Cottonwood, Arizona
Find Nathaniel Welly'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 A. Welly is a physician assistant in Cottonwood, Arizona
Nathaniel Welly practices at Optima Medical in Cottonwood, Arizona.
Nathaniel Welly's NPI, 1881741726, was assigned on January 4, 2007. Nathaniel Welly holds Arizona license 1069801.
- NPI
- 1881741726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577853910
- NPI enumeration date
- January 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (928) 777-9600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nathaniel A. Welly practices at Optima Medical in Cottonwood, Arizona
Nathaniel Welly's primary practice is Optima Medical, at 203 S Candy Ln, Cottonwood, AZ 86326 in Yavapai County. The practice phone is (928) 777-9600.
- Optima Medical203 S Candy Ln, Cottonwood, AZ 86326 · Yavapai CountyPhone(928) 777-9600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nathaniel A. Welly is affiliated with 7 sites of care and 1 medical group
Nathaniel Welly's primary practice is Optima Medical in Cottonwood, Arizona. Nathaniel Welly is also affiliated with Verde Valley Medical Center. The medical group on file is Optima Medical. Dmand AI also links Nathaniel Welly to 1 more hospital, 3 home health agencies 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 A. Welly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathaniel Welly practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optima Medical | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathaniel A. Welly is one of 754 physician assistants in Arizona
Medical is Nathaniel Welly's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Nathaniel Welly is licensed in Arizona.
Specialties and state licenses
- Medical physician assistant, ArizonaPrimary
Physician assistants near Nathaniel Welly
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 A. Welly treated 409 Medicare patients in 2024, average age 73
CMS counts 409 Medicare patients who saw Nathaniel Welly in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nathaniel Welly's median patient age at 72, with 49% women.
Nathaniel Welly's Medicare patients by age, 2024
Nathaniel Welly's Medicare patients by sex, 2024
- Women18545%
- Men22455%
Chronic conditions among Nathaniel Welly's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis46%
- Chronic kidney disease22%
- Tobacco use22%
- Diabetes21%
- Ischemic heart disease18%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Nathaniel Welly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nathaniel A. Welly wrote 12,416 Medicare Part D claims in 2024
In 2024, Nathaniel Welly wrote 12,416 Medicare Part D claims for 860 patients. 86% of them were for generic drugs.
Nathaniel Welly's Part D claims by kind of drug, 2024
- Generic10,636 claims86%
- Brand-name1,713 claims14%
- Other67 claims1%
Drug classes CMS tracks in Nathaniel Welly's Part D claims, 2024
- Opioids5%669 of 12,416 claims
- Antibiotics2%298 of 12,416 claims
- Antipsychotics, patients 65 and over1%64 of 12,416 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 A. Welly takes part in Medicare
Nathaniel Welly 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 A. Welly received $362 in industry payments in 2025
CMS Open Payments shows 14 general payments to Nathaniel Welly from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $123.
Companies that paid Nathaniel Welly 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 A. Welly'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 A. Welly
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 A. Welly's NPI number?
Nathaniel A. Welly's NPI number is 1881741726. It was assigned on January 4, 2007, and it is active in the NPI Registry.
What does Nathaniel A. Welly specialize in?
Nathaniel A. Welly is a physician assistant in Cottonwood, Arizona. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Nathaniel A. Welly practice?
Nathaniel Welly practices at 203 S Candy Ln, Cottonwood, AZ 86326. Nathaniel Welly's primary practice is Optima Medical in Cottonwood, Arizona. Dmand AI also links Nathaniel Welly to 1 hospital, 3 home health agencies and 1 group practice or clinic.
What is Nathaniel A. Welly's office phone number?
The practice phone on file for Nathaniel Welly is (928) 777-9600.
What is Nathaniel A. Welly's medical license number?
Nathaniel Welly holds Arizona license 1069801.
Which hospitals is Nathaniel A. Welly affiliated with?
Nathaniel Welly is affiliated with Verde Valley Medical Center. Dmand AI links Nathaniel Welly to 1 more hospital.
What medical group is Nathaniel A. Welly part of?
Nathaniel Welly is linked to Optima Medical.
Does Nathaniel A. Welly accept Medicare?
Yes. CMS lists Nathaniel Welly as accepting Medicare assignment.
How many Medicare patients does Nathaniel A. Welly see?
CMS counts 409 Medicare patients who saw Nathaniel Welly in 2024, with an average age of 73.
Has Nathaniel A. Welly received payments from drug or device companies?
CMS Open Payments shows $362 in general payments to Nathaniel Welly from 8 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Nathaniel A. Welly been practicing?
Nathaniel Welly graduated from medical school in 2005, 21 years ago.
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