MARK STEVEN AGNESS M.D.
NPI 1609816743
Family Medicine in Marysville, CA

Active since June 07, 2006PECOS Enrolled
726 4TH STREET, MARYSVILLE, CA 94901(530) 749-4300 Get Directions Write a Review

NPPES record last updated: August 27, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Steven Agness M.d. NPPES

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

MARK STEVEN AGNESS M.D. (NPI 1609816743) is an individual family medicine provider in Marysville, California, licensed in California (G68116) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609816743
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMARK STEVEN AGNESSCredential: M.D.
Location Address726 4TH STREETMarysville, CA 94901
Mailing Address2100 Powell St, Ste 900Emeryville, CA 94608-1826 · (510) 350-2600
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateAugust 27, 2007
NPI 1609816743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · G68116
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
726 4TH STREET, Marysville, CA 94901

Other Identifiers 3

Medicare PIN00G681165CA
Medicaid00G681160CA
Medicare UPINE98754CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mark Steven Agness M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

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

Emergency Medicine
726 4TH STREET
MARYSVILLE, CA 94901
Family Medicine
726 4TH STREET
MARYSVILLE, CA 94901
Emergency Medicine
726 4TH STREET
MARYSVILLE, CA 94901
Emergency Medicine
726 4TH STREET
MARYSVILLE, CA 94901
Emergency Medicine
726 4TH STREET
MARYSVILLE, CA 94901
Nurse Practitioner (Family)
726 4TH STREET
MARYSVILLE, CA 94901
Registered Nurse
726 4TH STREET
MARYSVILLE, CA 94901
Emergency Medicine
726 4TH STREET
MARYSVILLE, CA 94901

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 Agness's NPI number?

The NPI number for Mark Agness is 1609816743. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Mark Agness located?

Mark Agness practices at 726 4th Street, Marysville, CA 94901. The listed phone number is (530) 749-4300.

What is Mark Agness's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Agness enrolled in Medicare?

Yes. Mark Agness is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Agness was last updated on August 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.