Seth Assar, MD
Critical Care Medicine (Internal Medicine) Physician · Scottsdale, AZ
Seth Assar, MD is a critical care medicine (internal medicine) physician with a practice address in Scottsdale, Arizona, and NPI 1396096939, issued on Sep 22, 2012. Check the license (Arizona 53688, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Seth Assar
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 53688 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9060 E Via Linda Ste 250, Scottsdale, AZ 85258
- Phone
- (480) 614-2000
- Enumerated
- Sep 22, 2012
- Record last updated
- Jul 2, 2025
- Fax
- (480) 614-1751
- Medicaid ID
- 34673 AZ
- Medicare enrollment
- Enrolled (PECOS I20180212000654); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 180 in Arizona → Look up another NPI →
Also registered at 9060 E Via Linda Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmad Aldeiri, MDInfectious Disease Physician1063725174
- Christopher Beaty, MDPulmonary Disease Physician1235135575
- Ruth Benzar, M.D.Critical Care Medicine (Internal Medicine) Physician1770933319
- Benjamin Cantrill, DOCritical Care Medicine (Internal Medicine) Physician1467807792
- Gabriel Colceriu, M.D.Rheumatology Physician1134240146
Verify Seth Assar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 53688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
195 Medicare Part D claims for 68 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Breo Ellipta32 claims
- Trelegy Ellipta30 claims
- Albuterol Sulfate Hfa28 claims
- Prednisone14 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 MIPS final score for 2023 (Medicare payment program): 48.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $159.32
5 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma 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.
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
- Arizona Pulmonary Specialists LtdScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth Assar among 180 critical care medicine (internal medicine) physician records in Arizona
Seth Assar, MD 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 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2012 · 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
- Paul Conomos, M.D.Scottsdale, AZ 852581386659795
- Aditya Gupta, M.D.Scottsdale, AZ 852581497755615
- Rubina Khair, M.D., M.P.H.Scottsdale, AZ 852581316259542
- Ritu Khanna, MDScottsdale, AZ 852581255388393
- Sean Marco, M.D.Scottsdale, AZ 852581790123834
- Joshua Mason, M.D.Scottsdale, AZ 852581245557784
- Akshay Muralidhar, M.D.Scottsdale, AZ 852581073856423
- Manish Patel, M.D.Scottsdale, AZ 852581326010471
Common questions
What is Seth Assar, MD's NPI number?
Seth Assar, MD's National Provider Identifier (NPI) is 1396096939, issued on Sep 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Seth Assar, MD located?
The NPPES record lists a practice address at 9060 E Via Linda Ste 250, Scottsdale, AZ, 85258. Phone: (480) 614-2000. Providers update this record themselves, so call before visiting.
How can I verify Seth Assar, MD's license?
NPPES lists Arizona license number 53688, 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 Seth Assar, MD prescribe under Medicare Part D?
In 2024, Seth Assar, MD had 195 Medicare Part D claims for 68 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Seth Assar, MD's MIPS final score?
The 2023 MIPS final score is 48.2 of 100. 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.