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

Mark K Weeber, MD

Individual provider Internal Medicine Physician · NPI 1144324492

Mark K Weeber, MD is an Internal Medicine in Chico, California. Graduated from Oregon Health Sciences University School of Medicine in 1987, 39 years ago. Practices with Mission Ranch Primary Care Inc, an 11-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
39
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
CA
In the registry since
2006
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

114 Mission Ranch Blvd Ste 10
Chico, CA 95926-5137
Phone: (530) 894-0500
Fax: (530) 345-2532
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G660610 (CA)

Record details

NPI number1144324492
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 8, 2006
Last updated in NPPESJanuary 17, 2018
Mailing address114 Mission Ranch Blvd, Ste 10, Chico, CA 95926-5137

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Mission Ranch Primary Care Inc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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