DR. IRENA MARIE GRAUZINIS DO
NPI 1487303210
Family Medicine in Winters, CA

Active since March 21, 2022PECOS EnrolledAccepts Medicare Assignment
111 MAIN ST STE B, WINTERS, CA 95694(530) 795-4591(530) 795-0315 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 10, 2025, Sep 18, 2025, Apr 5, 2022 (3 updates tracked since 2022).

About Dr. Irena Marie Grauzinis Do NPPES

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

DR. IRENA MARIE GRAUZINIS DO (NPI 1487303210) is an individual family medicine provider in Winters, California, licensed in California (20A21650) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2022).

NPPES Registry Identity

NPI1487303210
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. IRENA MARIE GRAUZINISCredential: DO
Location Address111 MAIN ST STE BWinters, CA 95694-1930
Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769
Fax(530) 795-0315
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateOctober 10, 20253 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
NPI 1487303210 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 · 20A21650
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.
111 MAIN ST STE B, Winters, CA 95694

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Irena Marie Grauzinis Do 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 ID7517330111
PECOS Enrollment IDI20250904003418
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 95694 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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 2

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

Family Medicine
111 MAIN ST STE B
WINTERS, CA 95694
Nurse Practitioner (Family)
111 MAIN ST STE B
WINTERS, CA 95694

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 Irena Grauzinis's NPI number?

The NPI number for Irena Grauzinis is 1487303210. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Irena Grauzinis located?

Irena Grauzinis practices at 111 Main St Ste B, Winters, CA 95694. The listed phone number is (530) 795-4591.

What is Irena Grauzinis's specialty?

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

Is Irena Grauzinis enrolled in Medicare?

Yes. Irena Grauzinis 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.

When was this NPI record last updated?

The NPPES record for Irena Grauzinis was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.