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

Dr. Janja Viltuznik, MD

Individual provider Adult Medicine Physician · NPI 1639182702

Dr. Janja Viltuznik, MD is a Family Practice in Orange, California. Qualified in 1981, 45 years ago. Practices with Astra Medical Group, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
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

2617 E Chapman Ave Ste 205
Orange, CA 92869-3226
Phone: (714) 538-6822
Fax: (714) 280-4826
Show map & directions

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

Specialties & licences

Adult Medicine Physician (primary) Taxonomy 207QA0505X · Licence A42658 (CA)

Record details

NPI number1639182702
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESOctober 25, 2022
Certification dateOctober 25, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesGENERAL PRACTICE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Astra Medical Group — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Orange