Dr. Mathew S. Isho, MD

  • San Diego, CA
  • Colorectal surgeon
NPI1841235645PAC ID3476522459
Medicare services, 2024
595
Medicare patients, 2024
328
Part D claims, 2024
344
Hospital affiliations
3
Industry payments
$40,807
Practice address
4060 4th Ave, San Diego, CA 92103
Practice phone
Call (619) 299-7467
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Central San Diego Surgery Center Inc.

San Diego, California

See all 11 affiliations

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Dr. Mathew S. Isho is a colorectal surgeon in San Diego, California

Dr. Isho practices at Central San Diego Surgery Center Inc. in San Diego, California.

Dr. Isho's NPI, 1841235645, was assigned on June 17, 2006. Dr. Isho graduated from Al-Nahrain University School of Medicine in 1994. Dr. Isho holds California license A93470.

NPI and contact details
Medicare PAC ID
3476522459
NPI enumeration date
June 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(619) 299-7467
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mathew S. Isho practices at Central San Diego Surgery Center Inc. in San Diego, California

Dr. Isho's primary practice is Central San Diego Surgery Center Inc., at 4060 4th Ave, San Diego, CA 92103 in San Diego County. The practice phone is (619) 299-7467.

  • Central San Diego Surgery Center Inc.
    4060 4th Ave, San Diego, CA 92103 · San Diego CountyPhone(619) 299-7467

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mathew S. Isho is affiliated with 8 sites of care and 3 medical groups

Dr. Isho's primary practice is Central San Diego Surgery Center Inc. in San Diego, California. Dr. Isho is also affiliated with Sharp Memorial Hospital. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Isho to 2 more hospitals, 3 group practices and clinics, 2 medical groups and 1 physician office, each named with a free account.

See all 11 affiliations for Dr. Isho

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mathew S. Isho's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Isho practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Central San Diego Surgery Center Inc.Available with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mathew S. Isho is one of 187 colorectal surgeons in California

Colon and rectal surgery is Dr. Isho's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Isho is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Isho's licenses on file in 4 states: California, Ohio, Michigan and Illinois.

Specialties and state licenses

  • Colon and rectal surgery, CaliforniaPrimaryLicense A93470 · 2005 to 2027 · taxonomy 208C00000X
  • Ohio license
  • Michigan license2000 to 2013
  • Illinois license2005 to 2008

Clinical focus

Dmand AI lists appendectomy, colonoscopy, colon removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids, intestinal or bowel obstruction and upper GI endoscopy among the conditions Dr. Isho treats.

Colorectal surgeons near Dr. Isho

Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.

187colorectal surgeons in California
9colorectal surgeons in San Diego

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mathew S. Isho billed Medicare for 595 services in 2024

CMS data shows 595 Medicare services from Dr. Isho across 12 procedure codes in 2024, for 328 Medicare patients. Medicare paid $59,789 for them.

Medicare services, 2024595
Medicare patients328
Paid by Medicare$59,789
Procedure codes12

Dr. Isho's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3742024: 33411%
Surgery
2023: 1502024: 20033%
Other services
2023: 352024: 6174%

Where Dr. Isho's Medicare services took place, 2024

  • In an office48982%
  • In a facility10618%

Dr. Isho compared with the California median for colorectal surgeons, 2024

  • Dr. Isho
  • California median
Medicare services
595vs 2702.2 times
Medicare patients
328vs 1552.1 times
Part D claims
297vs 714.2 times

Medians across 175 colorectal surgeons in California with Dmand AI profiles that report each measure.

Dr. Isho's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Isho

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mathew S. Isho treated 328 Medicare patients in 2024, average age 74

CMS counts 328 Medicare patients who saw Dr. Isho in 2024. The largest group is 65 to 74, with 186 patients. 74% of them have high cholesterol, and 66% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Isho's median patient age at 62, with 44% women.

Medicare patients, 2024328
Average age74
Average risk score1.09
Also on Medicaid8%

Dr. Isho's Medicare patients by age, 2024

Dr. Isho's Medicare patients by sex, 2024

  • Women16149%
  • Men16751%

Chronic conditions among Dr. Isho's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure66%
  3. Arthritis44%
  4. Cancer29%
  5. Ischemic heart disease29%
  6. Mood disorders23%
  7. Anxiety22%
  8. Depression21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Isho's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women44%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mathew S. Isho wrote 344 Medicare Part D claims in 2024

In 2024, Dr. Isho wrote 344 Medicare Part D claims for 200 patients. 72% of them were for generic drugs. CMS names the drug for 297 of them, across 11 drugs with 11 or more claims each, at $15,011 in total drug cost. In 2023, CMS named 218 claims across 7 drugs.

Part D claims, 2024344
Drugs named by CMS11
Total drug cost$15,011
Part D patients200

Dr. Isho's Part D claims by kind of drug, 2024

  • Generic247 claims72%
  • Brand-name97 claims28%

Dr. Isho's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Isho's Part D claims, 2024

  • Opioids22%77 of 344 claims
  • Antibiotics21%73 of 344 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2182024: 29736%

Drugs named by CMS: 11 in 2024, 7 in 2023.

See all prescribing by Dr. Isho

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mathew S. Isho ranks in the 80th percentile for colonoscopy in Medicare

Dr. Isho accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Isho as offering telehealth. CMS counts 100 procedures of colonoscopy by Dr. Isho, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Isho ranks in Medicare procedure volume

Colonoscopy
80th percentile100 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mathew S. Isho received $40,807 in industry payments from 2016 to 2025

CMS Open Payments shows 117 general payments to Dr. Isho from 28 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 37% of the total. Applied Medical Resources Corporation paid the most, $21,582. It also lists 1 research payment totaling $1,397 in 2017.

General payments to Dr. Isho by program year, 2016 to 2025

General payments to Dr. Isho by kind, 2016 to 2025

$40.8Kin total
  • Honoraria$15,00037%
  • Education$11,00027%
  • Consulting fees$4,40611%
  • Travel and lodging$3,6029%
  • Other$6,79917%

Companies that paid Dr. Isho the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Isho

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mathew S. Isho graduated from Al-Nahrain University School of Medicine

Dr. Isho graduated from Al-Nahrain University School of Medicine in 1994.

  1. Medical schoolAl-Nahrain University School of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Mathew S. Isho accepts plans from 15 insurance carriers

Dr. Isho is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Isho accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Mathew S. Isho's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mathew S. Isho

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mathew S. Isho's NPI number?

Dr. Mathew S. Isho's NPI number is 1841235645. It was assigned on June 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mathew S. Isho?

Dr. Mathew S. Isho is a colorectal surgeon in San Diego, California. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Mathew S. Isho practice?

Dr. Isho practices at 4060 4th Ave, San Diego, CA 92103. Dr. Isho's primary practice is Central San Diego Surgery Center Inc. in San Diego, California. Dmand AI also links Dr. Isho to 2 hospitals, 3 group practices and clinics, 2 medical groups and 1 physician office.

What is Dr. Mathew S. Isho's office phone number?

The practice phone on file for Dr. Isho is (619) 299-7467.

What is Dr. Mathew S. Isho's medical license number?

Dr. Isho holds California license A93470, one of the licenses on file in 4 states.

Which states has Dr. Mathew S. Isho been licensed in?

Dmand AI has state licenses on file for Dr. Isho in California (2005 to 2027), Ohio, Michigan (2000 to 2013) and Illinois (2005 to 2008).

Which hospitals is Dr. Mathew S. Isho affiliated with?

Dr. Isho is affiliated with Sharp Memorial Hospital. Dmand AI links Dr. Isho to 2 more hospitals.

What medical group is Dr. Mathew S. Isho part of?

Dr. Isho is linked to Scripps Clinic Medical Group. Dmand AI links Dr. Isho to 2 more medical groups.

Does Dr. Mathew S. Isho accept Medicare?

Yes. CMS data shows Dr. Isho billed Medicare for 595 services in 2024, and Dr. Isho accepts Medicare assignment.

Does Dr. Mathew S. Isho offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Isho as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Mathew S. Isho see?

CMS counts 328 Medicare patients who saw Dr. Isho in 2024, with an average age of 74.

Is Dr. Mathew S. Isho board certified?

Yes. Dr. Isho is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Mathew S. Isho bill to Medicare?

In 2024, Dr. Isho's most billed Medicare services were office visit, new patient (99203), surgery: digestive system (46600) and office visit, established patient (99213).

Where did Dr. Mathew S. Isho go to medical school?

Dr. Isho graduated from Al-Nahrain University School of Medicine in 1994.

What drugs does Dr. Mathew S. Isho prescribe most?

In 2024 Medicare Part D data, Dr. Isho's most prescribed drugs by claims were Clenpiq, Hydrocodone-Acetaminophen and Gavilyte-G.

Has Dr. Mathew S. Isho received payments from drug or device companies?

CMS Open Payments shows $40,807 in general payments to Dr. Isho from 28 companies from 2016 to 2025. The largest total came from Applied Medical Resources Corporation.

How long has Dr. Mathew S. Isho been practicing?

Dr. Isho graduated from medical school in 1994, 32 years ago.

What insurance does Dr. Mathew S. Isho accept?

Dr. Isho is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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