Clinton Gregory Nelson, DO
Emergency Medicine Physician · Phoenix, AZ
Clinton Gregory Nelson, DO is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1154959229, issued on Apr 1, 2020. Check the license (Arizona 010310, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clinton Gregory Nelson
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 010310 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 250 E Dunlap Ave, Phoenix, AZ 85020
- Phone
- (602) 943-2381
- Enumerated
- Apr 1, 2020
- Record last updated
- Jul 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20230705001292); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 250 E Dunlap Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clinton Gregory Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 010310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average emergency medicine physician in 2024
188 Medicare Part D claims for 139 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 42 claims were for opioids.
Most prescribed
- Oxycodone Hcl40 claims
- Ondansetron Odt16 claims
- Amoxicillin-Clavulanate Potass14 claims
- Famotidine12 claims
- Naproxen11 claims
- Prednisone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 4 group practices
- 303 Emergency Physicians PLLCPhoenix, AZ
- Emcare - Pnx Emergency Physicians LLCPhoenix, AZ
- HonorhealthSurprise, AZ
- Loop 101 Emergency Physicians LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clinton Gregory Nelson among 1,494 emergency medicine physician records in Arizona
Clinton Gregory Nelson, DO is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2020 · median 2014 among the 828 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
394 emergency medicine physician records list a practice address in Phoenix
They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Phoenix → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Amy Axberg, M.D.Phoenix, AZ 850201508073925
- Derek Detemple, DOPhoenix, AZ 850201992788095
- Neal Faux, MDPhoenix, AZ 850201902832413
- Garth Gemar, M.D.Phoenix, AZ 850201295767457
- Charles Goldstein, MDPhoenix, AZ 850201386671089
- David Homer, DOPhoenix, AZ 850201225065436
- Caesar Ines, M.DPhoenix, AZ 850201407893027
- Jonathan Maitem, DOPhoenix, AZ 850201265456149
Common questions
What is Clinton Gregory Nelson, DO's NPI number?
Clinton Gregory Nelson, DO's National Provider Identifier (NPI) is 1154959229, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Clinton Gregory Nelson, DO located?
The NPPES record lists a practice address at 250 E Dunlap Ave, Phoenix, AZ, 85020. Phone: (602) 943-2381. Providers update this record themselves, so call before visiting.
How can I verify Clinton Gregory Nelson, DO's license?
NPPES lists Arizona license number 010310, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clinton Gregory Nelson, DO prescribe under Medicare Part D?
In 2024, Clinton Gregory Nelson, DO had 188 Medicare Part D claims for 139 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.