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WEBSTER MEDICAL CLINIC
NPI 1801272224
Internal Medicine in San Leandro, CA

Active since August 07, 2015
13847 E 14TH ST STE 106, SAN LEANDRO, CA 94578(510) 922-8611(510) 338-3677 Get Directions Write a Review

NPPES record last updated: December 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Webster Medical Clinic NPPES

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

WEBSTER MEDICAL CLINIC (NPI 1801272224) is a healthcare organization registered as an internal medicine in San Leandro, California and active in the NPI registry since August 2015. The organization lists Eugene Mcmillan, Doctor, as its authorized official.

NPPES Registry Identity

NPI1801272224
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameWEBSTER MEDICAL CLINIC
Location Address13847 E 14TH ST STE 106San Leandro, CA 94578-2625
Mailing Address13847 E 14th St Ste 106San Leandro, CA 94578-2625 · (510) 922-8611 · Fax (510) 338-3677
Phone(510) 922-8611
Fax(510) 338-3677
Organization SubpartNo
Authorized OfficialEugene McmillanDoctor · (510) 922-8611
Enumeration DateAugust 7, 2015
Last NPPES UpdateDecember 21, 2023
NPPES CertifiedDecember 21, 2023
✔ NPI 1801272224 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 · G46057
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.
13847 E 14TH ST STE 106, San Leandro, CA 94578
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Webster Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Webster Medical Clinic, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Eugene Mcmillan, M.D.
Hospitalist
NPI 1093822744
350 HAWTHORNE AVE RM 2346
Oakland, CA 94609
(510) 869-6883
✔ PECOS✔ Accepts Medicare9.9 mi
Floyd Huen, M.D.
Internal Medicine
NPI 1528135217
3260 SACRAMENTO ST
Berkeley, CA 94702
(510) 601-6060
✔ PECOS✔ Accepts Medicare12 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 Webster Medical Clinic's NPI number?

The NPI number for Webster Medical Clinic is 1801272224. It was assigned to this organization in the NPPES registry on August 7, 2015.

Where is Webster Medical Clinic located?

Webster Medical Clinic is located at 13847 E 14th St Ste 106, San Leandro, CA 94578. The listed phone number is (510) 922-8611.

What is Webster Medical Clinic's specialty?

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

Is Webster Medical Clinic enrolled in Medicare?

Yes. Webster Medical Clinic is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Webster Medical Clinic?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Webster Medical Clinic, in Hospitalist and Internal Medicine. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Webster Medical Clinic was last updated on December 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.