Dr. Matthew Alexander Kosasih, MD

  • San Jose, CA
  • Pediatrician
NPI1679159008
Publications
1
Hospital affiliations
2
Industry payments
$58
Medical groups
3
State license
1
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 6 affiliations

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Dr. Matthew Alexander Kosasih is a pediatrician in San Jose, California

Dr. Kosasih practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Kosasih's NPI, 1679159008, was assigned on March 24, 2021. Dr. Kosasih holds Maryland license 6221.

NPI and contact details
NPI enumeration date
March 24, 2021
NPI status
Active
Practice phone
(408) 885-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

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

Dr. Matthew Alexander Kosasih practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Kosasih's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. Matthew Alexander Kosasih is affiliated with 3 sites of care and 3 medical groups

Dr. Kosasih's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dr. Kosasih is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Kosasih to 2 more medical groups and 1 community health center, each named with a free account.

See all 6 affiliations for Dr. Kosasih

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Matthew Alexander Kosasih's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kosasih practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Matthew Alexander Kosasih is one of 8,236 pediatricians in California

Pediatrics is Dr. Kosasih's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Kosasih is licensed in Maryland.

Specialties and state licenses

  • Pediatrics, MarylandPrimaryLicense 6221 · taxonomy 208000000X

Pediatricians near Dr. Kosasih

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

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

Dr. Matthew Alexander Kosasih's patients have a median age of 36

Across all payers, Dmand AI patient panel data puts Dr. Kosasih's median patient age at 36, with 77% women.

Dr. Kosasih's patients across all payers

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

Patient panel by age, all payers

Median age 36

Patient panel by sex, all payers

  • Women77%
  • Men23%

Source: Dmand AI Patient Panel Data

Dr. Matthew Alexander Kosasih has 1 publication on record

Dmand AI links 1 paper to Dr. Kosasih in 2022. Dr. Kosasih's most frequent co-author is Lauren Titus.

Papers1

Dr. Kosasih's most frequent co-authors

Recent publications by Dr. Kosasih

See all 1 publications and co-authors

See who Dr. Kosasih researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kosasih works with, so you can find a warm path to the right pediatricians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Matthew Alexander Kosasih received $58 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Kosasih from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $58.

Companies that paid Dr. Kosasih the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kosasih

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

Sources for Dr. Matthew Alexander Kosasih'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Matthew Alexander Kosasih

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. Matthew Alexander Kosasih's NPI number?

Dr. Matthew Alexander Kosasih's NPI number is 1679159008. It was assigned on March 24, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew Alexander Kosasih?

Dr. Matthew Alexander Kosasih is a pediatrician in San Jose, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Matthew Alexander Kosasih practice?

Dr. Kosasih practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Kosasih's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Kosasih to 2 medical groups and 1 community health center.

What is Dr. Matthew Alexander Kosasih's office phone number?

The practice phone on file for Dr. Kosasih is (408) 885-5000.

What is Dr. Matthew Alexander Kosasih's medical license number?

Dr. Kosasih holds Maryland license 6221.

Which hospitals is Dr. Matthew Alexander Kosasih affiliated with?

Dr. Kosasih practices at Santa Clara Valley Medical Center in San Jose, California. Dr. Kosasih is also affiliated with Stanford Hospital at 300 Pasteur Drive.

What medical group is Dr. Matthew Alexander Kosasih part of?

Dr. Kosasih is linked to Stanford Health Care. Dmand AI links Dr. Kosasih to 2 more medical groups.

Has Dr. Matthew Alexander Kosasih received payments from drug or device companies?

CMS Open Payments shows $58 in general payments to Dr. Kosasih from 1 company from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Dr. Matthew Alexander Kosasih been practicing?

Dr. Kosasih graduated from medical school in 2021, 5 years ago.

Does Dr. Matthew Alexander Kosasih do research?

Dmand AI links 1 publication to Dr. Kosasih.

Who does Dr. Matthew Alexander Kosasih publish with?

Dr. Kosasih's most frequent co-authors are Lauren Titus (1 shared paper).

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