Josi Herren, DO

Medicare activity in 2024

Official CMS public-use data for Josi Herren, 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. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)106 services
2. Review by radiologist of additional artery image (75774)80 services
3. Insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond (36248)69 services
4. Ultrasonic guidance for blood vessel access (76937)69 services
5. Fluoroscopic guidance for insertion or removal of central vein access device (77001)41 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%
• Chronic kidney disease48%
• Diabetes47%
• Arthritis43%
• Ischemic heart disease40%

Hospitals where Josi Herren works

Medicare's Facility Affiliation Data lists Josi Herren 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.

• University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210002

Practice locations

Addresses where Josi Herren is enrolled with Medicare (CMS data updated October 2, 2026).

• 22 S Green StBaltimore, MD 21201 (410) 328‑5700
• 8455 Colesville Rd, Suite 1000Silver Spring, MD 20910 (301) 592‑2212
• 901 Dulaney Valley RdTowson, MD 21204 (301) 321‑1124

Group practices

Medicare enrollment lists Josi Herren as a member of these groups (CMS data updated October 2, 2026).

• Chesapeake Urology Associates LLC177 clinicians in the group
• University of Maryland Diagnostic Imaging Specialists P A85 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso

Find other Interventional Radiology doctors in Maryland →

Other interventional radiologists in Baltimore

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

• Howard M. Richard, MD
• Christos S. Georgiades, MD
• Dheeraj Gandhi, MD
• Nabeel M. Akhter, MD
• Yousaf Awan, MD
• Grafe R. Lyons, MD
• Philippe E. Gailloud, MD
• Clifford Weiss, MD

All interventional radiologists in Baltimore →

Other clinicians in Chesapeake Urology Associates LLC

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

• Richard A. Kurnot, MD
• Michael Adashek, DO
• Bernadette R. Greco, NP
• Ally Gordon, PA
• Melissa C. Giese, PA
• Brian P. Neuman, MD

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