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

Dr. Karen Reynolds Johnston, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1326518325

Dr. Karen Reynolds Johnston, MD is a Pathology in Palo Alto, California. Qualified in 1988, 38 years ago. Practices with Wound MD PC, a 15-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
38
Licensed in
CA
In the registry since
2018
Specialties on file
2
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

478 E Charleston Rd
Palo Alto, CA 94306-4235
Phone: (650) 380-9149
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence G67445 (CA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence G67445 (CA)

Record details

NPI number1326518325
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 3, 2018
Last updated in NPPESJanuary 28, 2022
Certification dateJanuary 28, 2022

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Wound Md Pc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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