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

Dr. Katharine Ball, MD

Individual provider Dermatology Physician · NPI 1801004650

Dr. Katharine Ball, MD is a Dermatology in Saratoga, California. Graduated from Jefferson Medical College of Thomas Jefferson University in 2007, 19 years ago. Practices with Csi Medical Group, a 104-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Delaware.

Years since qualifying
19
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CA, DE
In the registry since
2007
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

18988 Cox Ave Ste B
Saratoga, CA 95070-4154
Phone: (408) 253-4407
Fax: (408) 253-4499
Show map & directions

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

Additional practice locations (2)

  • 2420 Samaritan Dr, San Jose, CA 95124-3907 — (408) 369-5600
  • 136 N San Mateo Dr Fl 2, San Mateo, CA 94401-2778 — (650) 348-1242

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A106522 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C7-0003735 (DE)

Record details

NPI number1801004650
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2007
Last updated in NPPESMarch 7, 2024
Certification dateMarch 7, 2024
Mailing address525 South Dr Ste 115, Mountain View, CA 94040-4211

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Also practisesMICROGRAPHIC DERMATOLOGIC SURGERY (MDS)
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2007 (19 years in practice)
Group practice Csi Medical Group — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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