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

Dr. Stuart S Kassan, MD

Individual provider Rheumatology Physician · NPI 1093706475

Dr. Stuart S Kassan, MD is a Rheumatology in Denver, Colorado. Graduated from George Washington University School of Medicine in 1972, 54 years ago. Practices with National Jewish Health, a 246-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
54
Trained at
George Washington University School of Medicine
Licensed in
CO
In the registry since
2005
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

1400 Jackson St
Denver, CO 80206-2762
Phone: (303) 388-4461
Fax: (303) 398-1211
Show map & directions

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

Additional practice locations (1)

  • 198 Union Blvd, Lakewood, CO 80228-2259 — (303) 892-6033

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 21547 (CO)

Record details

NPI number1093706475
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 3, 2005
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023
Mailing address1400 Jackson St, Denver, CO 80206-2762

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1972 (54 years in practice)
Group practice National Jewish Health — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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