NPPES file of Aug 9, 2026

Chad R. Nelson, M.D.

Hospitalist Physician · Scottsdale, AZ

Chad R. Nelson, M.D. is a hospitalist physician with a practice address in Scottsdale, Arizona, and NPI 1154649374, issued on May 12, 2010. Check the license (Arizona 44611, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154649374
Name
Chad R. Nelson
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
44611 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 12, 2010
Record last updated
Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130820000516); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 13400 E Shea Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rawad Abbas, MDNeurological Surgery Physician1255028825
  2. Abdelmohaymin Abdalla, MDPulmonary Disease Physician1871081505
  3. Hesham Mubarak Abdalla, M.B.B.S.Internal Medicine Physician1013696111
  4. Mahmoud Abdelnabi, MDCardiovascular Disease Physician1548934714
  5. Haidar Abdul-Muhsin, M.B.CH.B.Urology Physician1356755250
  6. Ali Abdulsahib, MDInfectious Disease Physician1417535030

Verify Chad R. Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 44611
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average hospitalist physician in 2024

52 Medicare Part D claims for 23 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Chad Nelson52
  2. Specialty average521

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.

  1. Qualityout of 100 · 30% of the final score69.1
  2. Costout of 100 · 30%59.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $129.14

1 payment: food and beverage; the largest payer was Penumbra, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chad Nelson$129.14
  2. Specialty average$494.84

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

  1. Mayo Clinic ArizonaScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chad R. Nelson among 775 hospitalist physician records in Arizona

Chad R. Nelson, M.D. is one of 775 hospitalist physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 37% of them.

  • NPI issued2010 · 37% of these records are older, 58% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2010 · median 2011 among the 618 with a school on file
  • Record last updated2020 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Arizona

There are 775 hospitalist physician records in Arizona.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Nicholas Boe, MDScottsdale, AZ 852591487705299
  2. Keith Cannon, M.D.Scottsdale, AZ 852591205813128
  3. Viet Do, DOScottsdale, AZ 852591922057520
  4. Laura Ferry, M.D.Scottsdale, AZ 852591750391363
  5. Holly Geyer, M.D.Scottsdale, AZ 852591659539609
  6. Michael Giunta, MDScottsdale, AZ 852591528051190
  7. Vanood Khalid, MDScottsdale, AZ 852591649211830
  8. Stephanie Kokseng, M.D.Scottsdale, AZ 852591194983437

Common questions

What is Chad R. Nelson, M.D.'s NPI number?

Chad R. Nelson, M.D.'s National Provider Identifier (NPI) is 1154649374, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Chad R. 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 Chad R. Nelson, M.D.'s license?

NPPES lists Arizona license number 44611, 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 Chad R. Nelson, M.D. prescribe under Medicare Part D?

In 2024, Chad R. Nelson, M.D. had 52 Medicare Part D claims for 23 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Chad R. 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.