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

Neurology

Richard G. Diethelm, MD

Works at hospitals in Birmingham, AL · Pell City, AL · Alabama

Summary

Dr. Richard G. Diethelm, MD is a neurologist at 48 Medical Park Dr E, Suite 351, Birmingham, AL 35235. Phone: (205) 836-9366. Accepts Medicare assignment. In 2024, Richard G. Diethelm had 859 Original Medicare patients and 36,897 services. NPI 1851518476. 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 Richard G. Diethelm, 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 Richard G. Diethelm accept Medicare assignment?
Yes. Medicare's clinician data says Richard G. Diethelm 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 Richard G. Diethelm see?
In 2024, CMS data shows 859 Original Medicare patients and 36,897 services for Richard G. Diethelm. This counts Original Medicare only and measures volume, not quality.
What is Richard G. Diethelm's NPI number?
1851518476. 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 Richard G. Diethelm, 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 patients859
Services billed to Medicare36,897
Different services or procedures37
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, onabotulinumtoxina, 1 unit (J0585)33,690 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)532 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)167 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)160 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)111 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%
  • Arthritis56%
  • Depression43%
  • Diabetes38%
  • Anxiety38%

Hospitals where Richard G. Diethelm works

Medicare's Facility Affiliation Data lists Richard G. Diethelm 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.

  • St Vincent's BirminghamBirmingham, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010056
  • St Vincent's St ClairPell City, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010130
  • St. Vincent's EastBirmingham, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010011

Practice locations

Addresses where Richard G. Diethelm is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Neurology doctors in Alabama →

Other neurologists in Birmingham

Clinicians with the same Medicare primary specialty in Birmingham, AL — not a recommendation.

All neurologists in Birmingham →

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851518476
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