Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALI ABIDALI DO PROFESSIONAL MEDICAL CORPORATION
NPI 1689451114
Surgery in Upland, CA

Active since September 08, 2023
400 N MOUNTAIN AVE STE 215, UPLAND, CA 91786(909) 757-8425(909) 757-8392 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 28, 2026, Sep 3, 2026, Sep 8, 2023 (3 updates tracked since 2023).

About Ali Abidali Do Professional Medical Corporation NPPES

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

ALI ABIDALI DO PROFESSIONAL MEDICAL CORPORATION (NPI 1689451114), doing business as California Surgical Specialists, is a healthcare organization registered as a surgery in Upland, California and active in the NPI registry since September 2023. The organization maintains a secondary practice location in Glendora and lists Ali Abidali, Ceo, as its authorized official.

NPPES Registry Identity

NPI1689451114
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameALI ABIDALI DO PROFESSIONAL MEDICAL CORPORATION
Location Address400 N MOUNTAIN AVE STE 215Upland, CA 91786-5182
Mailing Address154a W Foothill Blvd # 372Upland, CA 91786-3847
Fax(909) 757-8392
Organization SubpartNo
Authorized OfficialAli AbidaliCeo · (480) 251-5441
Enumeration DateSeptember 8, 2023
Last NPPES UpdateSeptember 28, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1689451114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedTransplant SurgeryTaxonomy 204F00000X
400 N MOUNTAIN AVE STE 215, Upland, CA 91786

Other Names 2

Doing Business AsCalifornia Surgical Specialists
Doing Business AsCalifornia Surgical Specialists Medical Group

Secondary Practice Location 1

Location 1353 W Foothill BlvdGlendora, CA 91741-5309 · Phone (909) 757-8425 · Fax (909) 757-8392

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ali Abidali Do Professional Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Ali Abidali Do Professional Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

General Surgery
NPI 1427476894
1910 ROYALTY DR
Pomona, CA 91767
(909) 333-4941
✔ PECOS✔ Accepts Medicare4.6 mi
General Surgery
NPI 1831755602
353 W FOOTHILL BLVD
Glendora, CA 91741
(909) 757-8425
✔ PECOS✔ Accepts Medicare11 mi
General Surgery
NPI 1316407158
353 W FOOTHILL BLVD
Glendora, CA 91741
(909) 757-8425
✔ PECOS✔ Accepts Medicare11 mi
General Surgery
NPI 1861888794
353 W FOOTHILL BLVD
Glendora, CA 91741
(909) 757-8425
✔ 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 Ali Abidali Do Professional Medical Corporation's NPI number?

The NPI number for Ali Abidali Do Professional Medical Corporation is 1689451114. It was assigned to this organization in the NPPES registry on September 8, 2023. The provider is doing business as California Surgical Specialists and California Surgical Specialists Medical Group.

Where is Ali Abidali Do Professional Medical Corporation located?

Ali Abidali Do Professional Medical Corporation is located at 400 N Mountain Ave Ste 215, Upland, CA 91786. The listed phone number is (909) 757-8425.

What is Ali Abidali Do Professional Medical Corporation's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ali Abidali Do Professional Medical Corporation enrolled in Medicare?

Yes. Ali Abidali Do Professional Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ali Abidali Do Professional Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in General Surgery, reassign their Medicare billing to Ali Abidali Do Professional Medical Corporation. 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 Ali Abidali Do Professional Medical Corporation was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.