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

Grant H. Louie, MD

Individual provider Rheumatology Physician · NPI 1306013214

Grant H. Louie, MD is a Rheumatology in Frederick, Maryland. Graduated from Hahnemann University College of Medicine in 2001, 25 years ago. Practices with Arthritis and Rheumatism Associates PC, a 56-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
25
Trained at
Hahnemann University College of Medicine
Licensed in
MD
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

161 Thomas Johnson Dr Ste 250
Frederick, MD 21702-4958
Phone: (301) 942-7600
Fax: (301) 694-0187
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence D0071182 (MD)
Rheumatology Physician Taxonomy 207RR0500X · Licence D71182 (MD)

Record details

NPI number1306013214
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2008
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Arthritis And Rheumatism Associates Pc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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