DANIEL J. SMEESTER, M.D., INC.
NPI 1841850658
Clinic/Center - Emergency Care in Walnut Creek, CA

Active since June 14, 2019
2059 MAGNOLIA WAY, WALNUT CREEK, CA 94595(925) 640-5441 Get Directions Write a Review

NPPES record last updated: June 14, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Daniel J. Smeester, M.d., Inc. NPPES

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

DANIEL J. SMEESTER, M.D., INC. (NPI 1841850658) is a healthcare organization registered as an emergency care in Walnut Creek, California and active in the NPI registry since June 2019. The organization lists Dan Smeester, President, as its authorized official.

NPPES Registry Identity

NPI1841850658
Entity TypeOrganization
Primary Taxonomy261QE0002X
Legal Business NameDANIEL J. SMEESTER, M.D., INC.
Location Address2059 MAGNOLIA WAYWalnut Creek, CA 94595-1629
Mailing Address2059 Magnolia WayWalnut Creek, CA 94595-1629 · (925) 640-5441
Organization SubpartNo
Authorized OfficialDan SmeesterPresident · (925) 640-5441
Enumeration DateJune 14, 2019
✔ NPI 1841850658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Emergency CareAmbulatory Health Care Facilities
Taxonomy Code261QE0002X
2059 MAGNOLIA WAY, Walnut Creek, CA 94595

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel J. Smeester, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Daniel J. Smeester, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Addiction Medicine
NPI 1306872841
111 DEERWOOD RD STE 235
San Ramon, CA 94583
(925) 640-5441
✔ PECOS✔ Accepts Medicare8.8 mi

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

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 Daniel J. Smeester, M.D., Inc.'s NPI number?

The NPI number for Daniel J. Smeester, M.D., Inc. is 1841850658. It was assigned to this organization in the NPPES registry on June 14, 2019.

Where is Daniel J. Smeester, M.D., Inc. located?

Daniel J. Smeester, M.D., Inc. is located at 2059 Magnolia Way, Walnut Creek, CA 94595. The listed phone number is (925) 640-5441.

What is Daniel J. Smeester, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Emergency Care, with taxonomy code 261QE0002X.

Is Daniel J. Smeester, M.D., Inc. enrolled in Medicare?

Yes. Daniel J. Smeester, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Daniel J. Smeester, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Addiction Medicine) reassigns their Medicare billing to Daniel J. Smeester, M.D., Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Daniel J. Smeester, M.D., Inc. was last updated on June 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.