MARK H ELLIS MD
NPI 1144317462
Internal Medicine - Infectious Disease in Fairfield, CA

Active since October 06, 2006
1234 EMPIRE ST, FAIRFIELD, CA 94533(707) 426-3911(707) 434-2043 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark H Ellis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK H ELLIS MD (NPI 1144317462) is an individual infectious disease provider in Fairfield, California, licensed in California (A26035) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1144317462
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMARK H ELLISCredential: MD
Location Address1234 EMPIRE STFairfield, CA 94533-5711
Mailing AddressPo Box 255668Sacramento, CA 95865-5668 · (800) 470-0071
Fax(707) 434-2043
Sole ProprietorNo
Enumeration DateOctober 6, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1144317462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in CA · A26035
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License A26035 (CA)
1234 EMPIRE ST, Fairfield, CA 94533

Other Identifiers 1

Medicaid00A260350CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker
1234 EMPIRE ST
FAIRFIELD, CA 94533
Marriage & Family Therapist
1234 EMPIRE ST
FAIRFIELD, CA 94533
Urology
1234 EMPIRE ST
FAIRFIELD, CA 94533
Social Worker
1234 EMPIRE ST
FAIRFIELD, CA 94533
Marriage & Family Therapist
1234 EMPIRE ST
FAIRFIELD, CA 94533
Community Health Worker
1234 EMPIRE ST
FAIRFIELD, CA 94533
Marriage & Family Therapist
1234 EMPIRE ST
FAIRFIELD, CA 94533
Technician, Health Information (Assistant Record Technician)
1234 EMPIRE ST
FAIRFIELD, CA 94533

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Ellis's NPI number?

The NPI number for Mark Ellis is 1144317462. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Mark Ellis located?

Mark Ellis practices at 1234 Empire St, Fairfield, CA 94533. The listed phone number is (707) 426-3911.

What is Mark Ellis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Mark Ellis was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.