Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Kevin P. Theodorou, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Kevin P. Theodorou, MD is an internal medicine doctor at 10585 N Tatum Blvd, Suite D137, Paradise Valley, AZ 85253. Phone: (602) 277-2361. Accepts Medicare assignment. In 2024, Kevin P. Theodorou had 320 Original Medicare patients and 6,102 services. NPI 1790898880. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Kevin P. Theodorou, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kevin P. Theodorou accept Medicare assignment?
Yes. Medicare's clinician data says Kevin P. Theodorou accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kevin P. Theodorou see?
In 2024, CMS data shows 320 Original Medicare patients and 6,102 services for Kevin P. Theodorou. This counts Original Medicare only and measures volume, not quality.
What is Kevin P. Theodorou's NPI number?
1790898880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kevin P. Theodorou, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients320
Services billed to Medicare6,102
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)1,920 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)637 services
  3. Insertion of needle into vein for collection of blood sample (36415)510 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)308 services
  5. Annual alcohol misuse screening, 5 to 15 minutes (G0442)230 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol68%
  • High blood pressure66%
  • Arthritis45%
  • Chronic kidney disease28%
  • Diabetes24%
  • Depression24%

Hospitals where Kevin P. Theodorou works

Medicare's Facility Affiliation Data lists Kevin P. Theodorou at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kevin P. Theodorou is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Paradise Valley

Clinicians with the same Medicare primary specialty in Paradise Valley, AZ — not a recommendation.

All internal medicine doctors in Paradise Valley →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790898880
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians