Robert Plass, M.D
Emergency Medicine Physician · Sun City, AZ
Robert Plass, M.D is an emergency medicine physician with a practice address in Sun City, Arizona, and NPI 1437109865, issued on May 10, 2006. Check the license on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Plass
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G54485 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10401 West Thunderbird Boulevard, Sun City, AZ 85351
- Phone
- (623) 977-7211
- Enumerated
- May 10, 2006
- Record last updated
- Nov 26, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 10401 West Thunderbird Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Howard Friedman, M.DEmergency Medicine Physician1942259700
- John Loewen, M.DEmergency Medicine Physician1760435960
- Kenneth Moore, M.DEmergency Medicine Physician1467402800
- Michael Prebil, P.APhysician Assistant1104875533
- Thomas Umemoto, M.DEmergency Medicine Physician1477503845
Verify Robert Plass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Plass among 1,494 emergency medicine physician records in Arizona
Robert Plass, M.D is one of 1,494 emergency medicine 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 not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 emergency medicine physician records list a practice address in Sun City
They are 22 of the 813 NPPES records with a practice address in Sun City, and 1,494 emergency medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,494 in Arizona → Every provider in Sun City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Fitzgerald, M.DSun City, AZ 853511790735751
- Howard Friedman, M.DSun City, AZ 853511942259700
- Gregory Greenbaum, M.DSun City, AZ 853511982654067
- Joel Gross, M.DSun City, AZ 853511790735876
- Raymond Hemmert, D.OSun City, AZ 853511013946870
- Heidi Holland, D.OSun City, AZ 853511134179179
- Peter Hull, M.DSun City, AZ 853511255384640
- Ellen Leng, M.DSun City, AZ 853511902855497
Common questions
What is Robert Plass, M.D's NPI number?
Robert Plass, M.D's National Provider Identifier (NPI) is 1437109865, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Plass, M.D located?
The NPPES record lists a practice address at 10401 West Thunderbird Boulevard, Sun City, AZ, 85351. Phone: (623) 977-7211. Providers update this record themselves, so call before visiting.
How can I verify Robert Plass, M.D's license?
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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.