Sergio Lizama-Hernandez, MD

Medicare activity in 2024

Official CMS public-use data for Sergio Lizama-Hernandez, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)511 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)436 services
3. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)144 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)83 services
5. Hemoglobin a1c level (83036)60 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%
• Arthritis46%
• Chronic kidney disease31%
• Osteoporosis29%

Hospitals where Sergio Lizama-Hernandez works

Medicare's Facility Affiliation Data lists Sergio Lizama-Hernandez 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.

• MedStar Franklin Square Medical CenterRosedale, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210015
• MedStar Good Samaritan HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210056
• MedStar Union Memorial HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210024

Practice locations

Addresses where Sergio Lizama-Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 E 33rd St, 223 Mmg 33rd St Professional BldgBaltimore, MD 21218 (410) 554‑2696
• 5601 Lloch Raven BlvdBaltimore, MD 21239 (443) 444‑8000

Group practices

Medicare enrollment lists Sergio Lizama-Hernandez as a member of this group (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in Maryland →

Other endocrinologists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

• Nawar Suleman, MD
• Babette Glister, MD
• Yoon Kook Kim, MD
• Amir H. Hamrahian, MD
• Sanaz Sakiani, MD
• Sara A. Khan, MD
• Henry G. Fein, MD
• May Alattar, MD

All endocrinologists in Baltimore →

Other clinicians in MedStar Medical Group II LLC

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

• Jennifer Evans, MD
• Fernando L. Pagan, MD
• Jennifer E. Obiadi, MD
• Adaobi Udenwa, MD
• Raven Lyles, CNA
• Jay Kirkham, 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