Dr. Jan Phung Kato, MD
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kato's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1912079666NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729038443
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- 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.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
| +1 more affiliated site | Available 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, CaliforniaPrimary
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.
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.
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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.
Chronic conditions among Dr. Kato's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- 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.
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.
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
- 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.
- Medical school
- Board certified in 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
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jan Phung Kato's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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