DR. DULGUUN BAYARDORJ DO
NPI 1336999739
Family Medicine in Walnut Creek, CA

Q: What is Dulguun Bayardorj's NPI number?

The NPI number for Dulguun Bayardorj is 1336999739. It was assigned to this individual provider in the NPPES registry on March 26, 2024.

Q: What is Dulguun Bayardorj's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dulguun Bayardorj was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 26, 2024PECOS Enrolled

1450 TREAT BLVD STE 160, WALNUT CREEK, CA 94597(925) 296-9850 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Dulguun Bayardorj Do NPPES

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

DR. DULGUUN BAYARDORJ DO (NPI 1336999739) is an individual family medicine provider in Walnut Creek, California, licensed in California (20A24356) and active in the NPI registry since March 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1336999739

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. DULGUUN BAYARDORJCredential: DO

Location Address1450 TREAT BLVD STE 160Walnut Creek, CA 94597-2168

Mailing Address1450 Treat Blvd Ste 300Walnut Creek, CA 94597-2168 · (925) 952-2828

Phone(925) 296-9850

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateMarch 26, 2024

Last NPPES UpdateAugust 6, 2026

NPPES CertifiedAugust 6, 2026

✔ NPI 1336999739 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 · 20A24356

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.

1450 TREAT BLVD STE 160, Walnut Creek, CA 94597

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dulguun Bayardorj Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133687981

PECOS Enrollment IDI20260821001635

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 Reassignment

Medicare enrollment records show Dulguun Bayardorj reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Physician Network

Same address

General Practice

1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597

Reassigned Medicare billing, California enrollment
650 clinicians in this Medicare group

NPI 1841407665 (925) 296-9872

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 94597 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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 14

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

DR. EHSAN HAZRAT MD

Family Medicine