Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Alex M Geiger, MD, MPH

Individual provider Internal Medicine Physician · NPI 1124530316

Alex M Geiger, MD, MPH is an Internal Medicine in Baltimore, Maryland. Graduated from University of Arizona College of Medicine in 2018, 8 years ago. Practices with Chase Brexton Health Services Inc, a 117-clinician group and works from 3 locations. Licensed in Indiana and Maryland.

Years since qualifying
8
Trained at
University of Arizona College of Medicine
Licensed in
IN, MD
In the registry since
2017
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

1111 N Charles St
Baltimore, MD 21201-5505
Phone: (410) 837-2050
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 811 W 2nd St, Bloomington, IN 47403-2212 — (812) 333-4001
  • 1522 W Morris St, Indianapolis, IN 46221-1629 — (317) 310-3192

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0103178 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 11020024A (IN)
Pediatrics Physician Taxonomy 208000000X · Licence 11020024A (IN)
Pediatrics Physician Taxonomy 208000000X · Licence D0103178 (MD)

Record details

NPI number1124530316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedOctober 29, 2017
Last updated in NPPESJune 9, 2025
Certification dateJune 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Chase Brexton Health Services Inc — 117 clinicians
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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