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

Internal Medicine

Hugo A. Davila-Grijalva, MD

Works at hospitals in Farmington Hills, MI · Royal Oak, MI · Michigan

Summary

Dr. Hugo A. Davila-Grijalva, MD is an internal medicine doctor at 3601 W 13 Mile Rd, Royal Oak, MI 48073. Phone: (248) 898-0575. Accepts Medicare assignment. In 2024, Hugo A. Davila-Grijalva had 173 Original Medicare patients and 187 services. NPI 1447507553. 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 Hugo A. Davila-Grijalva, 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 Hugo A. Davila-Grijalva accept Medicare assignment?
Yes. Medicare's clinician data says Hugo A. Davila-Grijalva 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 Hugo A. Davila-Grijalva see?
In 2024, CMS data shows 173 Original Medicare patients and 187 services for Hugo A. Davila-Grijalva. This counts Original Medicare only and measures volume, not quality.
What is Hugo A. Davila-Grijalva's NPI number?
1447507553. 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 Hugo A. Davila-Grijalva, 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 patients173
Services billed to Medicare187
Different services or procedures8
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)152 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)24 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%
  • Arthritis57%
  • Ischemic heart disease56%
  • Chronic kidney disease51%
  • Diabetes47%

Hospitals where Hugo A. Davila-Grijalva works

Medicare's Facility Affiliation Data lists Hugo A. Davila-Grijalva 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.

  • Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130

Practice locations

Addresses where Hugo A. Davila-Grijalva is enrolled with Medicare (CMS data updated October 2, 2026).

  • 3601 W 13 Mile RdRoyal Oak, MI 48073
  • 3601 W 13 Mile Rd Ec, Beaumont Emergency Services RoRoyal Oak, MI 48073 (248) 898‑0575
  • 44201 Dequindre RdTroy, MI 48085
  • 44201 Dequindre Rd Ec, Beaumont Emergency Services TrTroy, MI 48085 (248) 964‑5111
  • 468 Cadieux RdGrosse Pointe, MI 48230

Group practices

Medicare enrollment lists Hugo A. Davila-Grijalva as a member of this group (CMS data updated October 2, 2026).

  • Beaumont Medical Group Hospital Based Services584 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Royal Oak

Clinicians with the same Medicare primary specialty in Royal Oak, MI — not a recommendation.

All internal medicine doctors in Royal Oak →

Other clinicians in Beaumont Medical Group Hospital Based Services

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

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447507553
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