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NADIR N MATTI MD
NPI 1275262719
Family Medicine in Rio Vista, CA

Active since June 09, 2022PECOS EnrolledAccepts Medicare Assignment
327 MAIN ST, RIO VISTA, CA 94571(707) 646-5500(707) 646-3641 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 8, 2025, Jun 9, 2022 (2 updates tracked since 2022).

About Nadir N Matti Md NPPES

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

NADIR N MATTI MD (NPI 1275262719) is an individual family medicine provider in Rio Vista, California, licensed in California (A202636) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1275262719
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameNADIR N MATTICredential: MD
Location Address327 MAIN STRio Vista, CA 94571-1738
Mailing Address327 Main StRio Vista, CA 94571-1738 · (707) 646-5500 · Fax (707) 646-3641
Phone(707) 646-5500
Fax(707) 646-3641
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 9, 2022
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1275262719 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 · A202636
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.
327 MAIN ST, Rio Vista, CA 94571
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nadir N Matti Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557846920
PECOS Enrollment IDI20260402003078
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Nadir Matti reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northbay Healthcare Group
20 mi
Multi-Specialty
1020 NUT TREE RD # 390
Vacaville, CA 95687
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
NPI 1760534713 (707) 624-8000
Northbay Health Medical Foundation
24 mi
Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group
NPI 1760283527 (707) 646-3110

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94571 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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

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

DIANA O'BRIEN
Massage Therapist
327 MAIN ST
RIO VISTA, CA 94571
Solano County (707) 374-1412

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 Nadir Matti's NPI number?

The NPI number for Nadir Matti is 1275262719. It was assigned to this individual provider in the NPPES registry on June 9, 2022.

Where is Nadir Matti located?

Nadir Matti practices at 327 Main St, Rio Vista, CA 94571. The listed phone number is (707) 646-5500.

What is Nadir Matti's specialty?

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

Is Nadir Matti enrolled in Medicare?

Yes. Nadir Matti is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Nadir Matti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadir Matti reassigns Medicare benefits to 2 organizations: Northbay Healthcare Group (Vacaville, CA) and Northbay Health Medical Foundation (Fairfield, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nadir Matti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nadir Matti was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.