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Anesthesiology

Dale L. Davis, MD

Works at hospitals in Upland, CA · California

Summary

Dr. Dale L. Davis, MD is an anesthesiologist at 999 San Bernardino Rd, Upland, CA 91786. Phone: (909) 985-2811. Accepts Medicare assignment. In 2024, Dale L. Davis had 80 Original Medicare patients and 100 services. NPI 1184652505. 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.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 999 San Bernardino Rd, Upland, CA 91786 · Directions
  • Phone: (909) 985‑2811
  • Medicare: Accepts Medicare assignment
  • Hospital: San Antonio Regional Hospital
  • Group practice: Allied Anesthesia Medical Group Inc
  • Medical school: Northwestern University Feinberg Medical School · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Dale L. Davis, 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 Dale L. Davis accept Medicare assignment?
Yes. Medicare's clinician data says Dale L. Davis 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 Dale L. Davis see?
In 2024, CMS data shows 80 Original Medicare patients and 100 services for Dale L. Davis. This counts Original Medicare only and measures volume, not quality.
What is Dale L. Davis's NPI number?
1184652505. 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 Dale L. Davis, 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 patients80
Services billed to Medicare100
Different services or procedures32
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for other procedure on upper abdomen (00790)21 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%
  • Arthritis53%
  • Diabetes51%
  • Chronic kidney disease40%
  • Ischemic heart disease36%

Hospitals where Dale L. Davis works

Medicare's Facility Affiliation Data lists Dale L. Davis 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.

  • San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099

Practice locations

Addresses where Dale L. Davis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dale L. Davis as a member of this group (CMS data updated October 2, 2026).

  • Allied Anesthesia Medical Group Inc191 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Upland

Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.

All anesthesiologists in Upland →

Other clinicians in Allied Anesthesia Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184652505
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