Leander M. Grimm Jr., MD

Medicare activity in 2024

Official CMS public-use data for Leander M. Grimm Jr., 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.

Most frequent services

1. Diagnostic exam of anus using an endoscope (46600)31 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 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)20 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)20 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 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 cholesterol70%
• Arthritis52%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
• Diabetes33%
• Ischemic heart disease33%

Hospitals where Leander M. Grimm Jr. works

Medicare's Facility Affiliation Data lists Leander M. Grimm Jr. 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.

• USA Health University HospitalMobile, AL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 010087

Practice locations

Addresses where Leander M. Grimm Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 2451 University Hospital DrMobile, AL 36617
• 75 S University Blvd, Unit 6000Mobile, AL 36608 (251) 660‑5555

Group practices

Medicare enrollment lists Leander M. Grimm Jr. as a member of this group (CMS data updated October 2, 2026).

• USA Health Physician Billing Services LLC339 clinicians in the group

Specialties

• Colorectal Surgery (Proctology)primary
• General Surgeryalso

Find other Colorectal Surgery (Proctology) doctors in Alabama →

Other colorectal surgeons in Alabama

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

• Isaac C. Payne, DO
• Heath D. Beckham, MD
• John D. Hunter, MD
• Paul F. Rider Jr., MD
• Robert H. Campbell, MD
• Luis R. Rivera Aguasvivas, MD
• Katherine R. Dean, MD
• Timothy B. Murray, MD

All colorectal surgeons in Alabama →

Other clinicians in USA Health Physician Billing Services LLC

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

• Shima Sidahmed, MD
• Lori C. White, MD
• Christopher M. Malozzi, DO
• Hanna T. Czarkowska, MD
• Mark A. Ward Jr., MD
• Nathan M. Polite, DO

Clinician information

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