Dr. Jan Phung Kato, MD

  • San Jose, CA
  • Hospitalist
NPI1912079666PAC ID8729038443
Medicare services, 2021
40
Medicare patients, 2024
20
Part D claims, 2024
338
Hospital affiliations
1
Medical group
1
Practice address
250 Hospital Parkway, San Jose, CA 95119
Practice phone
Call (408) 972-7000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

San Jose Medical Center

Hospital · San Jose, California

See all 3 affiliations

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Dr. Jan Phung Kato is a hospitalist in San Jose, California

Dr. Kato practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.

Dr. Kato's NPI, 1912079666, was assigned on November 15, 2006. Dr. Kato graduated from Keck School of Medicine of USC in 2001. Dr. Kato holds California license A80921.

NPI and contact details
Medicare PAC ID
8729038443
NPI enumeration date
November 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 972-7000
Professional email
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Personal email
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Mobile number
Get number
Sex
Female
Estimated age
51
Medical school graduation
2001

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

Dr. Jan Phung Kato practices at San Jose Medical Center in San Jose, California

Dr. Kato's primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.

Source: Dmand AI Affiliation Data

Dr. Jan Phung Kato is affiliated with 2 sites of care and 1 medical group

Dr. Kato's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Kato to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Kato

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

Dmand AI tracks the EHR system at Dr. Jan Phung Kato's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kato practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Jose Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jan Phung Kato is one of 3,186 hospitalists in California

Hospitalist is Dr. Kato's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Kato is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kato is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A80921 · 2002 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists chronic hypertension, congestive heart failure and lung disease: COPD, asthma or bronchitis among the conditions Dr. Kato treats.

Hospitalists near Dr. Kato

Counts of hospitalists 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. Jan Phung Kato billed Medicare for 40 services in 2021

CMS data shows 40 Medicare services from Dr. Kato across 1 procedure code in 2021, for 20 Medicare patients. Medicare paid $2,628 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202140
Medicare patients20
Paid by Medicare$2,628
Procedure codes1

Dr. Kato's Medicare services by type, 2017 to 2021

  • 2017
  • 2021
Office and hospital visits
2017: 202021: 40100%

Dr. Kato compared with the California median for hospitalists, 2021

  • Dr. Kato
  • California median
Medicare services
40vs 43091% below
Medicare patients
20vs 20190% below
Part D claims
90vs 6930% above

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. Kato's most billed Medicare procedure codes, 2021

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. Kato

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

Dr. Jan Phung Kato treated 20 Medicare patients in 2024, average age 74

CMS counts 20 Medicare patients who saw Dr. Kato in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kato's median patient age at 70, with 50% women.

Medicare patients, 202420
Average age74
Average risk score2.85

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%

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

Dr. Kato's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Jan Phung Kato wrote 338 Medicare Part D claims in 2024

In 2024, Dr. Kato wrote 338 Medicare Part D claims for 136 patients. 87% of them were for generic drugs. CMS names the drug for 90 of them, across 7 drugs with 11 or more claims each, at $1,357 in total drug cost. In 2023, CMS named 82 claims across 6 drugs.

Part D claims, 2024338
Drugs named by CMS7
Total drug cost$1,357
Part D patients136

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

  • Generic295 claims87%
  • Brand-name and other43 claims13%

Dr. Kato'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. Kato's Part D claims, 2024

  • Antibiotics19%65 of 338 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: 822024: 9010%

Drugs named by CMS: 7 in 2024, 6 in 2023.

See all prescribing by Dr. Kato

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

How Dr. Jan Phung Kato takes part in Medicare

Dr. Kato accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Jan Phung Kato has 1 award and honors on record

Dmand AI lists 1 award for Dr. Kato, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Kato

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Jan Phung Kato graduated from Keck School of Medicine of USC

Dr. Kato graduated from Keck School of Medicine of USC in 2001.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jan Phung Kato accepts plans from 2 insurance carriers

Dr. Kato is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare
  • Kaiser Permanente

Plan types Dr. Kato accepts, by number of carriers

  1. Medicare1
  2. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jan Phung Kato'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 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)
Awards and committee rolesDmand AI Professional Profile Data
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. Jan Phung Kato

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. Jan Phung Kato's NPI number?

Dr. Jan Phung Kato's NPI number is 1912079666. It was assigned on November 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jan Phung Kato?

Dr. Jan Phung Kato is a hospitalist in San Jose, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Jan Phung Kato practice?

Dr. Kato practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Kato's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dmand AI also links Dr. Kato to 1 group practice or clinic.

What is Dr. Jan Phung Kato's office phone number?

The practice phone on file for Dr. Kato is (408) 972-7000.

What is Dr. Jan Phung Kato's medical license number?

Dr. Kato holds California license A80921.

Which hospitals is Dr. Jan Phung Kato affiliated with?

Dr. Kato practices at San Jose Medical Center in San Jose, California.

What medical group is Dr. Jan Phung Kato part of?

Dr. Kato is linked to The Permanente Medical Group, Inc.

Does Dr. Jan Phung Kato accept Medicare?

Yes. CMS data shows Dr. Kato billed Medicare for 40 services in 2021, and Dr. Kato accepts Medicare assignment.

How many Medicare patients does Dr. Jan Phung Kato see?

CMS counts 20 Medicare patients who saw Dr. Kato in 2024, with an average age of 74.

Is Dr. Jan Phung Kato board certified?

Yes. Dr. Kato is board certified in internal medicine by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

What services does Dr. Jan Phung Kato bill to Medicare?

In 2021, Dr. Kato's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Jan Phung Kato go to medical school?

Dr. Kato graduated from Keck School of Medicine of USC in 2001.

What drugs does Dr. Jan Phung Kato prescribe most?

In 2024 Medicare Part D data, Dr. Kato's most prescribed drugs by claims were Metoprolol Tartrate, Amoxicillin-Clavulanate Potass and Doxycycline Monohydrate.

How long has Dr. Jan Phung Kato been practicing?

Dr. Kato graduated from medical school in 2001, 25 years ago.

What insurance does Dr. Jan Phung Kato accept?

Dr. Kato is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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