MATHEW S ISHO MD
NPI 1841235645
Colon & Rectal Surgery in San Diego, CA

Active since June 17, 2006PECOS EnrolledAccepts Medicare Assignment
550 WASHINGTON ST, SUITE 821, SAN DIEGO, CA 92103(619) 686-4011(619) 686-4041 Get Directions Write a Review

NPPES record last updated: June 12, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mathew S Isho Md NPPES

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

MATHEW S ISHO MD (NPI 1841235645) is an individual colon & rectal surgery provider in San Diego, California, licensed in California (A93470) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1841235645
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameMATHEW S ISHOCredential: MD
Location Address550 WASHINGTON ST, SUITE 821San Diego, CA 92103-2213
Mailing Address4060 4th Ave, Ste 510San Diego, CA 92103-2121 · (619) 686-4011 · Fax (619) 686-4041
Fax(619) 686-4041
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateJune 17, 2006
Last NPPES UpdateJune 12, 2020
NPPES CertifiedJune 12, 2020
NPI 1841235645 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License Licensed in CA · A93470
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
550 WASHINGTON ST, San Diego, CA 92103

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mathew S Isho Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476522459
PECOS Enrollment IDI20060710000279
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
130 services130 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
116 services106 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
70 services61 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
48 services48 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
47 services47 patients
Removal of external hemorrhoids by rubber banding 46221
Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.
39 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
4 suppliers25 claims760 services$4.92 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
2 suppliers11 claims139 services$2.51 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
3 suppliers20 claims650 services$8.18 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
2 suppliers13 claims400 services$5.99 avg. paid by Medicare
Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419
DME-Orthotic Devices · category DF010N
3 suppliers20 claims2,670 services$1.67 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425
DME-Orthotic Devices · category DF010N
2 suppliers11 claims370 services$3.46 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 17

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

Pediatrics (Pediatric Endocrinology)
550 WASHINGTON ST, STE #300
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Internal Medicine
550 WASHINGTON ST, SUITE 423
SAN DIEGO, CA 92103
Pediatrics
550 WASHINGTON ST, SUITE 300
SAN DIEGO, CA 92103
Nurse Practitioner (Community Health)
550 WASHINGTON ST, SUITE 601
SAN DIEGO, CA 92103
Health Maintenance Organization
550 WASHINGTON ST, STE 300
SAN DIEGO, CA 92103
Preventive Medicine (Occupational Medicine)
550 WASHINGTON ST, STE # 601
SAN DIEGO, CA 92103
Colon & Rectal Surgery
550 WASHINGTON ST, SUITE 821
SAN DIEGO, CA 92103

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's NPI number?

The NPI number for Mathew Isho is 1841235645. It was assigned to this individual provider in the NPPES registry on June 17, 2006.

Where is Mathew Isho located?

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

What is Mathew Isho's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Mathew Isho enrolled in Medicare?

Yes. Mathew Isho is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mathew Isho was last updated on June 12, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.