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KHAI DO MD INC.
NPI 1124496021
Internal Medicine in Montclair, CA

Active since September 09, 2015
9880 CENTRAL AVE, MONTCLAIR, CA 91763(909) 621-3012(909) 621-3015 Get Directions Write a Review

NPPES record last updated: June 2, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Khai Do Md Inc. NPPES

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

KHAI DO MD INC. (NPI 1124496021) is a healthcare organization registered as an internal medicine in Montclair, California and active in the NPI registry since September 2015. The organization lists Khai Do, M.d., as its authorized official.

NPPES Registry Identity

NPI1124496021
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameKHAI DO MD INC.
Location Address9880 CENTRAL AVEMontclair, CA 91763-2817
Mailing Address9880 Central AveMontclair, CA 91763-2817 · (909) 621-3012 · Fax (909) 621-3016
Phone(909) 621-3012
Fax(909) 621-3015
Organization SubpartNo
Authorized OfficialKhai DoM.d. · (909) 621-3012
Enumeration DateSeptember 9, 2015
Last NPPES UpdateJune 2, 2016
✔ NPI 1124496021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
9880 CENTRAL AVE, Montclair, CA 91763
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Khai Do Md 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 Khai Do MD Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Khai Do, M.D.
Internal Medicine
NPI 1396939526
2021 E 4TH ST STE 104
Santa Ana, CA 92705
(909) 621-3012
✔ PECOS✔ Accepts Medicare24 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 Khai Do MD Inc.'s NPI number?

The NPI number for Khai Do MD Inc. is 1124496021. It was assigned to this organization in the NPPES registry on September 9, 2015.

Where is Khai Do MD Inc. located?

Khai Do MD Inc. is located at 9880 Central Ave, Montclair, CA 91763. The listed phone number is (909) 621-3012.

What is Khai Do MD Inc.'s specialty?

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

Is Khai Do MD Inc. enrolled in Medicare?

Yes. Khai Do MD Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Khai Do MD Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Khai Do MD 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 Khai Do MD Inc. was last updated on June 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.