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

Stephanie S Dittmer, MD

Individual provider Family Medicine Physician · NPI 1942422688

Stephanie S Dittmer, MD is a Family Practice in Fortuna, California. Graduated from University of California, Irvine, California College of Medicine in 2005, 21 years ago. Practices with Ikigai Physician Group Inc, a 4-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2007
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

3429 Renner Dr
Fortuna, CA 95540-3104
Phone: (707) 726-2255
Fax: (707) 949-9715
Show map & directions

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

Additional practice locations (1)

  • 3798 Janes Rd Ste 15, Arcata, CA 95521-4746 — (707) 726-2255

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A117789 (CA)

Record details

NPI number1942422688
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2007
Last updated in NPPESAugust 20, 2025
Certification dateAugust 20, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Ikigai Physician Group Inc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Fortuna