YAN DAI MD
NPI 1740368836
Internal Medicine in Livermore, CA

Active since November 02, 2006PECOS EnrolledAccepts Medicare Assignment
3000 LAS POSITAS RD, LIVERMORE, CA 94551(925) 243-2600 Get Directions Write a Review

NPPES record last updated: December 24, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 24, 2024, Dec 6, 2021 (2 updates tracked since 2021).

About Yan Dai Md NPPES

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

YAN DAI MD (NPI 1740368836) is an individual internal medicine provider in Livermore, California, licensed in California (A71984) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1740368836
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameYAN DAICredential: MD
Location Address3000 LAS POSITAS RDLivermore, CA 94551-9627
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateNovember 2, 2006
Last NPPES UpdateDecember 24, 20242 updates tracked since enumeration
NPPES CertifiedDecember 24, 2024
✔ NPI 1740368836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A71984
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3000 LAS POSITAS RD, Livermore, CA 94551

Other Identifiers 1

Medicaid00A719840CA

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

Yan Dai 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 ID4688667223
PECOS Enrollment IDI20040407001374
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 Yan Dai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
143 N MAIN ST
Milpitas, CA 95035
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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 94551 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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 20

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

Counselor (Mental Health)
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Pharmacist
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Nurse Practitioner (Family)
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Student in an Organized Health Care Education/Training Program
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Internal Medicine
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Internal Medicine
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Internal Medicine
3000 LAS POSITAS RD
LIVERMORE, CA 94551
Family Medicine
3000 LAS POSITAS RD
LIVERMORE, CA 94551

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 Yan Dai's NPI number?

The NPI number for Yan Dai is 1740368836. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Where is Yan Dai located?

Yan Dai practices at 3000 Las Positas Rd, Livermore, CA 94551. The listed phone number is (925) 243-2600.

What is Yan Dai's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yan Dai enrolled in Medicare?

Yes. Yan Dai 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 Yan Dai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yan Dai reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Milpitas, CA) and Permanente Medical Group Inc (Santa Clara, 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 Yan Dai'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 Yan Dai was last updated on December 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.