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

Mark L Villalon, MD

Individual provider Interventional Cardiology Physician · NPI 1720249816

Mark L Villalon, MD is an Interventional Cardiology in Napa, California. Qualified in 2008, 18 years ago. Practices with Northbay Health Medical Foundation, a 202-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Massachusetts.

Years since qualifying
18
Licensed in
CA, MA
In the registry since
2008
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

3443 Villa Ln Ste 2
Napa, CA 94558-6417
Phone: (707) 253-8280
Show map & directions

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

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence A129668 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 256817 (MA)

Record details

NPI number1720249816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2008
Last updated in NPPESJuly 12, 2016

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Northbay Health Medical Foundation — 202 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Napa