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MATHEW ISHO, M.D., P.C.
NPI 1982876645
Surgery in San Diego, CA

Active since April 02, 2008
550 WASHINGTON ST, SUITE 821, SAN DIEGO, CA 92103(619) 686-4011(619) 686-4041 Get Directions Write a Review

NPPES record last updated: April 2, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mathew Isho, M.d., P.c. NPPES

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

MATHEW ISHO, M.D., P.C. (NPI 1982876645) is a healthcare organization registered as a surgery in San Diego, California and active in the NPI registry since April 2008. The organization lists Mathew Isho, President, as its authorized official.

NPPES Registry Identity

NPI1982876645
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameMATHEW ISHO, M.D., P.C.
Location Address550 WASHINGTON ST, SUITE 821San Diego, CA 92103-2213
Mailing Address550 Washington St, Suite 821San Diego, CA 92103-2213 · (619) 686-4011 · Fax (619) 686-4041
Phone(619) 686-4011
Fax(619) 686-4041
Organization SubpartNo
Authorized OfficialMathew IshoPresident · (619) 686-4011
Enumeration DateApril 2, 2008
✔ NPI 1982876645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A93470
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.
550 WASHINGTON ST, San Diego, CA 92103
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Other Identifiers 1

Medicare UPINI16512CA

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mathew Isho, M.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20080716000720Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mathew Isho, M.D., P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Mathew Isho, MD
General Surgery
NPI 1841235645
550 WASHINGTON ST SUITE 821
San Diego, CA 92103
(619) 686-4011
✔ PECOS✔ Accepts MedicareSame address

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 Mathew Isho, M.D., P.C.'s NPI number?

The NPI number for Mathew Isho, M.D., P.C. is 1982876645. It was assigned to this organization in the NPPES registry on April 2, 2008.

Where is Mathew Isho, M.D., P.C. located?

Mathew Isho, M.D., P.C. is located at 550 Washington St Suite 821, San Diego, CA 92103. The listed phone number is (619) 686-4011.

What is Mathew Isho, M.D., P.C.'s specialty?

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

Is Mathew Isho, M.D., P.C. enrolled in Medicare?

Yes. Mathew Isho, M.D., P.C. is registered in the Medicare PECOS enrollment system.

When is Mathew Isho, M.D., P.C.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Mathew Isho, M.D., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Mathew Isho, M.D., P.C.. 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 Mathew Isho, M.D., P.C. was last updated on April 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.