Douglas P. Nelson, MD
Internal Medicine Physician · Phoenix, AZ
Douglas P. Nelson, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1265475958, issued on Jun 13, 2006. Check the license (Arizona 24103, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas P. Nelson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24103 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 33 W Tamarisk St, Phoenix, AZ 85041
- Phone
- (602) 344-6400
- Enumerated
- Jun 13, 2006
- Record last updated
- Sep 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (602) 344-6401
- Medicaid ID
- 357237 AZ
- Medicare enrollment
- Enrolled (PECOS I20100127000042); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 33 W Tamarisk St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Landon JohnsonStudent in an Organized Health Care Education/Training Program1982548178
- Eva Khondaker, M.D.Family Medicine Physician1457048084
Verify Douglas P. Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 24103Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,999 Medicare Part D claims for 221 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium183 claims
- Amlodipine Besylate121 claims
- Lisinopril104 claims
- Albuterol Sulfate Hfa90 claims
- Metformin Hcl87 claims
- Levothyroxine Sodium52 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.
Industry payments in 2024: $25.48
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Maricopa County Special Health Care DistrictPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas P. Nelson among 2,853 internal medicine physician records in Arizona
Douglas P. Nelson, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2003 among the 1,643 with a school on file
- Record last updated2011 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shaghayegh Abdollahi, MDPhoenix, AZ 850411558572313
- Thomas Cheek, M.D.Phoenix, AZ 850401578646352
- Anitha Gaddam, MDPhoenix, AZ 850421932363876
- Susan Hallman, MDPhoenix, AZ 850421083694004
- Faiz Naioom, M.D.Phoenix, AZ 850421629035852
- Altagracia Pacheco, MDPhoenix, AZ 850421033171426
- Raul Romero, M.D.Phoenix, AZ 850421407938681
- Rolando Ruiz, M.D.Phoenix, AZ 850401497207096
Common questions
What is Douglas P. Nelson, MD's NPI number?
Douglas P. Nelson, MD's National Provider Identifier (NPI) is 1265475958, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas P. Nelson, MD located?
The NPPES record lists a practice address at 33 W Tamarisk St, Phoenix, AZ, 85041. Phone: (602) 344-6400. Providers update this record themselves, so call before visiting.
How can I verify Douglas P. Nelson, MD's license?
NPPES lists Arizona license number 24103, 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 Douglas P. Nelson, MD prescribe under Medicare Part D?
In 2024, Douglas P. Nelson, MD had 1,999 Medicare Part D claims for 221 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.