NPPES file of Aug 9, 2026

Joshua Schuyler Mason, M.D.

Critical Care Medicine (Internal Medicine) Physician · Scottsdale, AZ

Joshua Schuyler Mason, M.D. is a critical care medicine (internal medicine) physician with a practice address in Scottsdale, Arizona, and NPI 1245557784, issued on Apr 23, 2010. Check the license (Arizona 57480, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245557784
Name
Joshua Schuyler Mason
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
57480 AZ
036.133085 IL
Self-reported in NPPES; status is on the state search
Practice location
9060 E Via Linda, Scottsdale, AZ 85258
Phone
(480) 614-2000
Enumerated
Apr 23, 2010
Record last updated
Dec 30, 2025
Fax
(480) 614-1751
Medicare enrollment
Enrolled (PECOS I20190524002324); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest critical care medicine (internal medicine) physician records → All 180 in Arizona → Look up another NPI →

Also registered at 9060 E Via Linda

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

  1. Reena Bansal, M.D.Critical Care Medicine (Internal Medicine) Physician1366857187
  2. Nicole Hoxworth, M.D.Dermatopathology (Pathology) Physician1073712717
  3. David Terrano, MD, PHDDermatopathology (Pathology) Physician1609169267
  4. Paul Viso, RPHPharmacist1740301332
  5. Karen Warschaw, M.D.Dermatopathology Physician1538142625

Verify Joshua Schuyler Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 57480    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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74% more Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

1,212 Medicare Part D claims for 145 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Joshua Mason1,212
  2. Specialty average696

Most prescribed

  1. Albuterol Sulfate Hfa195 claims
  2. Trelegy Ellipta186 claims
  3. Prednisone77 claims
  4. Montelukast Sodium76 claims
  5. Azithromycin69 claims
  6. Symbicort67 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: $542.42

20 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joshua Mason$542.42
  2. Specialty average$2,958.68

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Arizona Pulmonary Specialists LtdScottsdale, AZ
  2. Sjhmc Physician ServicesChandler, AZ
  3. St. Joseph's Hospital And Medical CenterPhoenix, AZ

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

Joshua Schuyler Mason among 180 critical care medicine (internal medicine) physician records in Arizona

Joshua Schuyler Mason, M.D. is one of 180 critical care medicine (internal medicine) physician records with a practice address in Arizona. 89% 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 58% of them.

  • NPI issued2010 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2009 · median 2007 among the 155 with a school on file
  • Record last updated2025 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Arizona

There are 180 critical care medicine (internal medicine) physician records in Arizona.

All 180 in Arizona → Every provider in Scottsdale → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Seth Assar, MDScottsdale, AZ 852581396096939
  2. Paul Conomos, M.D.Scottsdale, AZ 852581386659795
  3. Aditya Gupta, M.D.Scottsdale, AZ 852581497755615
  4. Rubina Khair, M.D., M.P.H.Scottsdale, AZ 852581316259542
  5. Ritu Khanna, MDScottsdale, AZ 852581255388393
  6. Sean Marco, M.D.Scottsdale, AZ 852581790123834
  7. Akshay Muralidhar, M.D.Scottsdale, AZ 852581073856423
  8. Manish Patel, M.D.Scottsdale, AZ 852581326010471

Common questions

What is Joshua Schuyler Mason, M.D.'s NPI number?

Joshua Schuyler Mason, M.D.'s National Provider Identifier (NPI) is 1245557784, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Schuyler Mason, M.D. located?

The NPPES record lists a practice address at 9060 E Via Linda, Scottsdale, AZ, 85258. Phone: (480) 614-2000. Providers update this record themselves, so call before visiting.

How can I verify Joshua Schuyler Mason, M.D.'s license?

NPPES lists Arizona license number 57480, 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 Joshua Schuyler Mason, M.D. prescribe under Medicare Part D?

In 2024, Joshua Schuyler Mason, M.D. had 1,212 Medicare Part D claims for 145 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.