Dean Raymond Prater, MD
Critical Care Medicine (Internal Medicine) Physician · Tucson, AZ
Dean Raymond Prater, MD is a critical care medicine (internal medicine) physician with a practice address in Tucson, Arizona, and NPI 1942382692, issued on Oct 20, 2006. Check the license (Arizona 34327, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dean Raymond Prater
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 34327 AZ
DR.0046081 CO
47697 WI
Self-reported in NPPES; status is on the state search - Practice location
- 350 N Wilmot RD, Tucson, AZ 85711
- Phone
- (520) 296-3211
- Enumerated
- Oct 20, 2006
- Record last updated
- Sep 16, 2025
- Fax
- (520) 873-3211
- Medicaid IDs
- 100277357 WI
950776 AZ - Medicare enrollment
- Enrolled (PECOS I20240603000401); 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 350 N Wilmot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dean Raymond Prater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 34327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
13 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
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): 81.5 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 6 group practices
- Arizona Acute Medical Services 1 PCGlendale, AZ
- Baycare Aurora LLCGreen Bay, WI
- Catholic Health Initiatives ColoradoDurango, CO
- Hospital Medicine OF AK LLCAnchorage, AK
- Sjhmc Physician ServicesChandler, AZ
- Tucson Physician Group Holdings LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dean Raymond Prater among 180 critical care medicine (internal medicine) physician records in Arizona
Dean Raymond Prater, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 58% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2002 · 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 Tucson → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Richard Ciezki, M.D.Tucson, AZ 857111669834537
- Wesley Cook, MDTucson, AZ 857111780894667
- Husnain WaseemTucson, AZ 857111750834032
- Antara Mallampalli, MDTucson, AZ 857101992885396
- Erick Perez Sifontes, MDTucson, AZ 857121144725904
- Brian Shon, MDTucson, AZ 857101508858739
- Fredy Toiber, M.D.Tucson, AZ 857101194722322
- Sarah Upson, MDTucson, AZ 857121639675127
Common questions
What is Dean Raymond Prater, MD's NPI number?
Dean Raymond Prater, MD's National Provider Identifier (NPI) is 1942382692, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dean Raymond Prater, MD located?
The NPPES record lists a practice address at 350 N Wilmot RD, Tucson, AZ, 85711. Phone: (520) 296-3211. Providers update this record themselves, so call before visiting.
How can I verify Dean Raymond Prater, MD's license?
NPPES lists Arizona license number 34327, 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 Dean Raymond Prater, MD prescribe under Medicare Part D?
In 2024, Dean Raymond Prater, MD had 13 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Dean Raymond Prater, MD's MIPS final score?
The 2023 MIPS final score is 81.5 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.