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

Claire Joanna Hartung, MD

Individual provider Hospitalist Physician · NPI 1336679661

Claire Joanna Hartung, MD is a Family Practice in Ukiah, California. Graduated from University of Rochester School of Medicine and Dentistry in 2017, 9 years ago. Practices with County of Monterey, a 181-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
9
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
CA
In the registry since
2017
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

260 Hospital Dr
Ukiah, CA 95482-4568
Phone: (707) 463-7495
Show map & directions

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

Additional practice locations (1)

  • 350 Hawthorne Ave Ste 2308, Oakland, CA 94609-3108 — (510) 869-6883

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A157215 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A157215 (CA)

Record details

NPI number1336679661
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2017
Last updated in NPPESJuly 19, 2023
Certification dateJuly 19, 2023

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 2017 (9 years in practice)
Group practice County Of Monterey — 181 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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