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

Internal Medicine

Sirish C. Rao, MD

Works at hospitals in Phoenix, AZ · Scottsdale, AZ · Arizona

Summary

Dr. Sirish C. Rao, MD is an internal medicine doctor at 5111 N Scottsdale Rd, Suite 151, Scottsdale, AZ 85250. Phone: (602) 254-6686. Accepts Medicare assignment. In 2024, Sirish C. Rao had 273 Original Medicare patients and 597 services. NPI 1427464130. 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 Sirish C. Rao, 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 Sirish C. Rao accept Medicare assignment?
Yes. Medicare's clinician data says Sirish C. Rao 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 Sirish C. Rao see?
In 2024, CMS data shows 273 Original Medicare patients and 597 services for Sirish C. Rao. This counts Original Medicare only and measures volume, not quality.
What is Sirish C. Rao's NPI number?
1427464130. 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 Sirish C. Rao, 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 patients273
Services billed to Medicare597
Different services or procedures35
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)144 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)103 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)70 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)62 services
  5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)62 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 cholesterol75%
  • High blood pressure67%
  • Arthritis52%
  • Ischemic heart disease34%
  • Diabetes23%
  • Anxiety22%

Hospitals where Sirish C. Rao works

Medicare's Facility Affiliation Data lists Sirish C. Rao 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 Sirish C. Rao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sirish C. Rao as a member of this group (CMS data updated October 2, 2026).

  • Arizona Digestive Health PC136 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Scottsdale

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

All internal medicine doctors in Scottsdale →

Other clinicians in Arizona Digestive Health PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427464130
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