DONALD R. KNOTTS, M.D. INC
NPI 1750589560
Clinic/Center - Medical Specialty in Castro Valley, CA

Active since July 03, 2007
20130 LAKE CHABOT RD, SUITE 309, CASTRO VALLEY, CA 94546(510) 886-3701(510) 537-3194 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Donald R. Knotts, M.d. Inc NPPES

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

DONALD R. KNOTTS, M.D. INC (NPI 1750589560) is a healthcare organization registered as a medical specialty in Castro Valley, California and active in the NPI registry since July 2007. The organization lists Donald R. Knotts, Owner, as its authorized official.

NPPES Registry Identity

NPI1750589560
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameDONALD R. KNOTTS, M.D. INC
Location Address20130 LAKE CHABOT RD, SUITE 309Castro Valley, CA 94546-5340
Mailing Address20130 Lake Chabot Rd, Suite 309Castro Valley, CA 94546-5340 · (510) 886-3701 · Fax (510) 537-3194
Fax(510) 537-3194
Organization SubpartNo
Authorized OfficialDonald R. KnottsOwner · (510) 886-3701
Enumeration DateJuly 3, 2007
Last NPPES UpdateAugust 22, 2020
NPI 1750589560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License Licensed in CA · G35548
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
20130 LAKE CHABOT RD, Castro Valley, CA 94546

Other Providers at the Same Location NPPES 8

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

Physician Assistant
20130 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Obstetrics & Gynecology
20130 LAKE CHABOT RD, SUITE 306
CASTRO VALLEY, CA 94546
Clinic/Center (Primary Care)
20130 LAKE CHABOT RD, SUITE 202
CASTRO VALLEY, CA 94546
Internal Medicine (Endocrinology, Diabetes & Metabolism)
20130 LAKE CHABOT RD, SUITE 201
CASTRO VALLEY, CA 94546
Surgery
20130 LAKE CHABOT RD, STE 202
CASTRO VALLEY, CA 94546
Internal Medicine
20130 LAKE CHABOT RD, SUITE 309
CASTRO VALLEY, CA 94546
Physician Assistant
20130 LAKE CHABOT RD, SUITE #202
CASTRO VALLEY, CA 94546
Urology
20130 LAKE CHABOT RD, # 302
CASTRO VALLEY, CA 94546

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 Donald R. Knotts, M.D. Inc's NPI number?

The NPI number for Donald R. Knotts, M.D. Inc is 1750589560. It was assigned to this organization in the NPPES registry on July 3, 2007.

Where is Donald R. Knotts, M.D. Inc located?

Donald R. Knotts, M.D. Inc is located at 20130 Lake Chabot Rd Suite 309, Castro Valley, CA 94546. The listed phone number is (510) 886-3701.

What is Donald R. Knotts, M.D. Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

When was this NPI record last updated?

The NPPES record for Donald R. Knotts, M.D. Inc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.