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Endocrinology

Eyob M. Makonnen, MD

Works at hospitals in Annapolis, MD · Leonardtown, MD · Washington, DC … · Maryland, District of Columbia

Summary

Dr. Eyob M. Makonnen, MD is an endocrinologist at 130 Hospital Rd, Suite 300, Prince Frederick, MD 20678. Phone: (410) 535-4333. Accepts Medicare assignment. In 2024, Eyob M. Makonnen had 804 Original Medicare patients and 2,964 services. NPI 1396904207. 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 Eyob M. Makonnen, 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 Eyob M. Makonnen accept Medicare assignment?
Yes. Medicare's clinician data says Eyob M. Makonnen 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 Eyob M. Makonnen see?
In 2024, CMS data shows 804 Original Medicare patients and 2,964 services for Eyob M. Makonnen. This counts Original Medicare only and measures volume, not quality.
What is Eyob M. Makonnen's NPI number?
1396904207. 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 Eyob M. Makonnen, 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 patients804
Services billed to Medicare2,964
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,361 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)879 services
  3. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)252 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)203 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)120 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%
  • Diabetes55%
  • Arthritis49%
  • Ischemic heart disease28%
  • Chronic kidney disease27%

Hospitals where Eyob M. Makonnen works

Medicare's Facility Affiliation Data lists Eyob M. Makonnen 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 Eyob M. Makonnen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • MedStar Medical Group - Southern Maryland LLC245 clinicians in the group

Specialties

Find other Endocrinology doctors in Maryland →

Other endocrinologists in Maryland

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

All endocrinologists in Maryland →

Other clinicians in MedStar Medical Group - Southern Maryland LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396904207
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