Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Alexander Matthew Hahn

Individual provider Orthopaedic Surgery Physician · NPI 1518329648

Alexander Matthew Hahn practises Orthopedic Surgery in Baltimore, Maryland. Graduated from Temple University School of Medicine in 2016, 10 years ago. Practices with University of Maryland Orthopaedic Associates PA, a 67-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
10
Trained at
Temple University School of Medicine
Licensed in
MD
In the registry since
2016

Practice location Address checks out

110 S Paca St Fl 6 Ste 300
Baltimore, MD 21201-1642
Phone: (410) 448-6400
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence D0093580 (MD)

Record details

NPI number1518329648
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 28, 2016
Last updated in NPPESNovember 24, 2024
Certification dateNovember 24, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice University Of Maryland Orthopaedic Associates Pa — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of tissue 1–10 times
Upper limb (arm) arthroscopy (minimally invasive joint repair) 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients147
Services billed 436 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at University of Maryland Orthopaedic Associates PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 67 clinicians in the practice; 12 are shown here.

Other providers in Baltimore