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

Joseph Benson Harlan, MD

Individual provider Ophthalmology Physician · NPI 1861442709

Joseph Benson Harlan, MD is an Ophthalmology in Lutherville, Maryland. Graduated from Johns Hopkins University School of Medicine in 1994, 32 years ago. Practices with Katzen Medical Associates PC, a 24-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
32
Trained at
Johns Hopkins University School of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1209 York Rd Ste 200
Lutherville, MD 21093-6220
Phone: (410) 821-9490
Fax: (410) 821-9495
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence D53191 (MD)

Record details

NPI number1861442709
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESApril 11, 2012

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Katzen Medical Associates Pc — 24 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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