Steven A. Nelson, M.D.
Dermatology Physician · Scottsdale, AZ
Steven A. Nelson, M.D. is a dermatology physician with a practice address in Scottsdale, Arizona, and NPI 1245443522, issued on May 7, 2007. Check the license (Arizona 40599, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven A. Nelson
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 40599 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- May 7, 2007
- Record last updated
- Sep 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080902000117); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 350 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven A. Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 40599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average dermatology physician in 2024
237 Medicare Part D claims for 98 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clobetasol Propionate29 claims
- Minoxidil23 claims
- Triamcinolone Acetonide22 claims
- Hydrocortisone19 claims
- Finasteride17 claims
- Ketoconazole15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven A. Nelson among 350 dermatology physician records in Arizona
Steven A. Nelson, M.D. is one of 350 dermatology 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2007 · median 2008 among the 241 with a school on file
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Arizona
There are 350 dermatology physician records in Arizona.
All 350 in Arizona → Every provider in Scottsdale → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Suzanne Connolly, M.D.Scottsdale, AZ 852591235113200
- Mark Dahl, M.D.Scottsdale, AZ 852591154304921
- David Dicaudo, M.D.Scottsdale, AZ 852591528040383
- Susan Laman, M.D.Scottsdale, AZ 852591609859370
- Aaron Mangold, M.D.Scottsdale, AZ 852591376832196
- Mark Pittelkow, M.D.Scottsdale, AZ 852591164401675
- Steven Quimby, M.D.Scottsdale, AZ 852591700861390
- Roy Rogers, M.D.Scottsdale, AZ 852591982678173
Common questions
What is Steven A. Nelson, M.D.'s NPI number?
Steven A. Nelson, M.D.'s National Provider Identifier (NPI) is 1245443522, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven A. Nelson, M.D. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Steven A. Nelson, M.D.'s license?
NPPES lists Arizona license number 40599, 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 Steven A. Nelson, M.D. prescribe under Medicare Part D?
In 2024, Steven A. Nelson, M.D. had 237 Medicare Part D claims for 98 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Steven A. Nelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.