Ellen O'Malley Kato, FNP
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 39
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 2 The Embarcadero, San Francisco, CA 94111
- Practice phone
- Call (415) 578-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
One Medical Group
San Francisco, California
Find Ellen 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.
Ellen O'Malley Kato is a nurse practitioner in San Francisco, California
Ellen Kato practices at One Medical Group in San Francisco, California.
Ellen Kato's NPI, 1598044844, was assigned on August 4, 2011. Ellen Kato holds California license 21049.
- NPI
- 1598044844NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082905005
- NPI enumeration date
- August 4, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 578-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ellen O'Malley Kato practices at One Medical Group in San Francisco, California
Ellen Kato's primary practice is One Medical Group, at 2 The Embarcadero, San Francisco, CA 94111 in San Francisco County. The practice phone is (415) 578-3100.
- One Medical Group2 The Embarcadero, San Francisco, CA 94111 · San Francisco CountyPhone(415) 578-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ellen O'Malley Kato is affiliated with 3 sites of care and 2 medical groups
Ellen Kato's primary practice is One Medical Group in San Francisco, California. The medical group on file is One Medical. Dmand AI also links Ellen Kato to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ellen O'Malley Kato's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ellen Kato practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| One Medical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Ellen O'Malley Kato is one of 5,983 nurse practitioners in California
Nurse practitioner is Ellen Kato's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Ellen Kato is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Ellen Kato
Counts of nurse practitioners 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
Ellen O'Malley Kato treated 17 Medicare patients in 2024, average age 72
CMS counts 17 Medicare patients who saw Ellen Kato in 2024. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ellen Kato's median patient age at 44, with 65% women.
Ellen 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 44
Patient panel by sex, all payers
- Women65%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ellen O'Malley Kato wrote 39 Medicare Part D claims in 2024
In 2024, Ellen Kato wrote 39 Medicare Part D claims for 18 patients. 77% of them were for generic drugs.
Ellen Kato's Part D claims by kind of drug, 2024
- Generic30 claims77%
- Brand-name and other9 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ellen O'Malley Kato takes part in Medicare
Ellen 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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Sources for Ellen O'Malley 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| 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 Ellen O'Malley 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 Ellen O'Malley Kato's NPI number?
Ellen O'Malley Kato's NPI number is 1598044844. It was assigned on August 4, 2011, and it is active in the NPI Registry.
What does Ellen O'Malley Kato specialize in?
Ellen O'Malley Kato is a nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Ellen O'Malley Kato practice?
Ellen Kato practices at 2 The Embarcadero, San Francisco, CA 94111. Ellen Kato's primary practice is One Medical Group in San Francisco, California. Dmand AI also links Ellen Kato to 2 group practices and clinics and 1 medical group.
What is Ellen O'Malley Kato's office phone number?
The practice phone on file for Ellen Kato is (415) 578-3100.
What is Ellen O'Malley Kato's medical license number?
Ellen Kato holds California license 21049.
What medical group is Ellen O'Malley Kato part of?
Ellen Kato is linked to One Medical. Dmand AI links Ellen Kato to 1 more medical group.
Does Ellen O'Malley Kato accept Medicare?
Yes. CMS lists Ellen Kato as accepting Medicare assignment.
How many Medicare patients does Ellen O'Malley Kato see?
CMS counts 17 Medicare patients who saw Ellen Kato in 2024, with an average age of 72.
How long has Ellen O'Malley Kato been practicing?
Ellen Kato graduated from medical school in 2011, 15 years ago.
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