Kathryn E. Stewart, PA-C

  • Riverside, CA
  • Physician assistant
NPI1194000778PAC ID5294972105
Part D claims, 2024
376
Hospital affiliations
1
Medical groups
4
State license
1
Year NPI issued
2011
Practice address
10800 Magnolia Avenue, Riverside, CA 92505
Practice phone
Call (951) 353-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Riverside Medical Center

Hospital · Riverside, California

See all 7 affiliations

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Kathryn E. Stewart is a physician assistant in Riverside, California

Kathryn Stewart practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.

Kathryn Stewart's NPI, 1194000778, was assigned on October 14, 2011. Kathryn Stewart holds California license 21897.

NPI and contact details
Medicare PAC ID
5294972105
NPI enumeration date
October 14, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 353-2000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
41
Medical school graduation
2011

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

Kathryn E. Stewart practices at Riverside Medical Center in Riverside, California

Kathryn Stewart's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.

Source: Dmand AI Affiliation Data

Kathryn E. Stewart is affiliated with 3 sites of care and 4 medical groups

Kathryn Stewart's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Kathryn Stewart to 3 more medical groups and 2 group practices and clinics, each named with a free account.

See all 7 affiliations for Kathryn Stewart

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

Dmand AI tracks the EHR system at Kathryn E. Stewart's practice

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

EHR by site
SiteEHR vendor and product
Riverside Medical CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Kathryn E. Stewart is one of 2,381 physician assistants in California

Medical is Kathryn Stewart's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Kathryn Stewart is licensed in California.

Specialties and state licenses

  • Medical physician assistant, CaliforniaPrimaryLicense 21897 · taxonomy 363AM0700X

Physician assistants near Kathryn Stewart

Counts of physician assistants 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

Kathryn E. Stewart's patients have a median age of 29

Across all payers, Dmand AI patient panel data puts Kathryn Stewart's median patient age at 29, with 67% women.

Kathryn Stewart's patients across all payers

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

Patient panel by age, all payers

Median age 29

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Kathryn E. Stewart wrote 376 Medicare Part D claims in 2024

In 2024, Kathryn Stewart wrote 376 Medicare Part D claims for 236 patients. 92% of them were for generic drugs.

Part D claims, 2024376
Part D patients236

Kathryn Stewart's Part D claims by kind of drug, 2024

  • Generic345 claims92%
  • Brand-name and other31 claims8%

Drug classes CMS tracks in Kathryn Stewart's Part D claims, 2024

  • Opioids3%13 of 376 claims
  • Antibiotics33%124 of 376 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Kathryn E. Stewart takes part in Medicare

Kathryn Stewart 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 Kathryn E. Stewart'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
Part D prescribingMedicare 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)
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 Kathryn E. Stewart

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

What is Kathryn E. Stewart's NPI number?

Kathryn E. Stewart's NPI number is 1194000778. It was assigned on October 14, 2011, and it is active in the NPI Registry.

What does Kathryn E. Stewart specialize in?

Kathryn E. Stewart is a physician assistant in Riverside, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Kathryn E. Stewart practice?

Kathryn Stewart practices at 10800 Magnolia Avenue, Riverside, CA 92505. Kathryn Stewart's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dmand AI also links Kathryn Stewart to 3 medical groups and 2 group practices and clinics.

What is Kathryn E. Stewart's office phone number?

The practice phone on file for Kathryn Stewart is (951) 353-2000.

What is Kathryn E. Stewart's medical license number?

Kathryn Stewart holds California license 21897.

Which hospitals is Kathryn E. Stewart affiliated with?

Kathryn Stewart practices at Riverside Medical Center in Riverside, California.

What medical group is Kathryn E. Stewart part of?

Kathryn Stewart is linked to Southern California Permanente Medical Group. Dmand AI links Kathryn Stewart to 3 more medical groups.

Does Kathryn E. Stewart accept Medicare?

Yes. CMS lists Kathryn Stewart as accepting Medicare assignment.

How long has Kathryn E. Stewart been practicing?

Kathryn Stewart graduated from medical school in 2011, 15 years ago.

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