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

John A Greco, PA-C

Individual provider Physician Assistant · NPI 1811954167

John A Greco, PA-C is a Physician Assistant in Catonsville, Maryland. Qualified in 2004, 22 years ago. Practices with St Agnes Healthcare Inc, a 269-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
22
Licensed in
MD
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

910 Frederick Rd
Catonsville, MD 21228-4516
Phone: (410) 644-1880
Fax: (410) 646-3623
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C00003051 (MD)

Record details

NPI number1811954167
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESOctober 11, 2021
Certification dateOctober 11, 2021
Mailing address910 Frederick Rd, Catonsville, MD 21228-4516

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice St Agnes Healthcare Inc — 269 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Catonsville