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Infectious Disease

Nilesh N. Patel, MD

Works at hospitals in Los Angeles, CA · Glendora, CA · Covina, CA … · California

Summary

Dr. Nilesh N. Patel, MD is an infectious disease doctor at 130 W Route 66, Suite 302, Glendora, CA 91740. Phone: (626) 914-1514. Accepts Medicare assignment. In 2024, Nilesh N. Patel had 840 Original Medicare patients and 18,480 services. NPI 1508858903. 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 Nilesh N. Patel, 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 Nilesh N. Patel accept Medicare assignment?
Yes. Medicare's clinician data says Nilesh N. Patel 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 Nilesh N. Patel see?
In 2024, CMS data shows 840 Original Medicare patients and 18,480 services for Nilesh N. Patel. This counts Original Medicare only and measures volume, not quality.
What is Nilesh N. Patel's NPI number?
1508858903. 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 Nilesh N. Patel, 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 patients840
Services billed to Medicare18,480
Different services or procedures52
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)7,132 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)4,445 services
  3. Injection of drug or substance under skin or into muscle (96372)940 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)388 services
  5. Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)371 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 blood pressure75%
  • High cholesterol75%
  • Diabetes72%
  • Chronic kidney disease67%
  • COPD59%
  • Arthritis57%

Hospitals where Nilesh N. Patel works

Medicare's Facility Affiliation Data lists Nilesh N. Patel 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 Nilesh N. Patel is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nilesh N. Patel as a member of this group (CMS data updated October 2, 2026).

  • Nilesh N Patel MD Inc3 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All infectious disease doctors in California →

Other clinicians in Nilesh N Patel MD Inc

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508858903
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