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

Dr. Louisa Ziglar, MD

Individual provider Rheumatology Physician · NPI 1538336151

Dr. Louisa Ziglar, MD is a Rheumatology in Frederick, Maryland. Graduated from State University of New York Downstate Medical Center in 2002, 24 years ago. Practices with Arthritis and Rheumatism Associates PC, a 56-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
24
Trained at
State University of New York Downstate Medical Center
Licensed in
MD
In the registry since
2008
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.

Additional practice locations (1)

  • 14995 Shady Grove Rd Ste 500, Rockville, MD 20850-8726 — (301) 942-7600

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence D80134 (MD)

Record details

NPI number1538336151
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2008
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026
Mailing address7361 Calhoun Pl Ste 600, Rockville, MD 20855-2788

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 2002 (24 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 locations7 on file with Medicare

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