Katherine Ernest, PA-C
- Part D claims, 2024
- 4,121
- Hospital affiliations
- 1
- Industry payments
- $66
- Medical group
- 1
- State licenses
- 2
- Practice address
- 2550 Sister Mary Columba Drive, Red Bluff, CA 96080
- Practice phone
- Call (530) 529-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Katherine Ernest'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.
Katherine Ernest is a physician assistant in Red Bluff, California
Katherine Ernest practices at Dignity Health - St. Elizabeth Community Hospital in Red Bluff, California, part of CommonSpirit Health.
Katherine Ernest's NPI, 1275017899, was assigned on September 19, 2018. Katherine Ernest holds California license 59222.
- NPI
- 1275017899NPI Registry (opens in a new tab)
- NPI enumeration date
- September 19, 2018
- NPI status
- Active
- Practice phone
- (530) 529-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Katherine Ernest practices at Dignity Health - St. Elizabeth Community Hospital in Red Bluff, California
Katherine Ernest's primary practice is Dignity Health - St. Elizabeth Community Hospital, at 2550 Sister Mary Columba Drive, Red Bluff, CA 96080 in Tehama County. The practice phone is (530) 529-8000.
- Dignity Health - St. Elizabeth Community Hospital2550 Sister Mary Columba Drive, Red Bluff, CA 96080 · Tehama CountyPhone(530) 529-8000
Source: Dmand AI Affiliation Data
Katherine Ernest is affiliated with 1 site of care and 1 medical group
Katherine Ernest's primary practice is Dignity Health - St. Elizabeth Community Hospital in Red Bluff, California, part of CommonSpirit Health. Dmand AI also links Katherine Ernest to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine Ernest's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Ernest practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Elizabeth Community Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Ernest is one of 11,482 physician assistants in California
Physician assistant is Katherine Ernest's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katherine Ernest is board certified in 2021 - 2022 by the CA State PA License. Dmand AI has Katherine Ernest's licenses on file in 2 states: California and Montana.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Montana license
Physician assistants near Katherine Ernest
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
Katherine Ernest's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Katherine Ernest's median patient age at 71, with 71% women.
Katherine Ernest's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Katherine Ernest wrote 4,121 Medicare Part D claims in 2024
In 2024, Katherine Ernest wrote 4,121 Medicare Part D claims for 449 patients. 88% of them were for generic drugs. CMS names the drug for 3,521 of them, across 84 drugs with 11 or more claims each, at $162,300 in total drug cost.
Katherine Ernest's Part D claims by kind of drug, 2024
- Generic3,631 claims88%
- Brand-name471 claims11%
- Other19 claims0%
Katherine Ernest'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 Katherine Ernest's Part D claims, 2024
- Opioids6%264 of 4,121 claims
- Antibiotics1%59 of 4,121 claims
- Antipsychotics, patients 65 and over1%27 of 4,121 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Katherine Ernest received $66 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine Ernest from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $66.
Companies that paid Katherine Ernest the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katherine Ernest is board certified in 2021 - 2022
- Board certified in 2021 - 2022
- Board certified in 2018 - 2022
Source: Dmand AI Professional Profile Data
Sources for Katherine Ernest'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Katherine Ernest
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Ernest's NPI number?
Katherine Ernest's NPI number is 1275017899. It was assigned on September 19, 2018, and it is active in the NPI Registry.
What does Katherine Ernest specialize in?
Katherine Ernest is a physician assistant in Red Bluff, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katherine Ernest practice?
Katherine Ernest practices at 2550 Sister Mary Columba Drive, Red Bluff, CA 96080. Katherine Ernest's primary practice is Dignity Health - St. Elizabeth Community Hospital in Red Bluff, California, part of CommonSpirit Health. Dmand AI also links Katherine Ernest to 1 medical group.
What is Katherine Ernest's office phone number?
The practice phone on file for Katherine Ernest is (530) 529-8000.
What is Katherine Ernest's medical license number?
Katherine Ernest holds California license 59222, one of the licenses on file in 2 states.
Which states has Katherine Ernest been licensed in?
Dmand AI has state licenses on file for Katherine Ernest in California and Montana.
Which hospitals is Katherine Ernest affiliated with?
Katherine Ernest practices at Dignity Health - St. Elizabeth Community Hospital in Red Bluff, California.
Is Katherine Ernest board certified?
Yes. Katherine Ernest is board certified in 2021 - 2022 by the CA State PA License.
What drugs does Katherine Ernest prescribe most?
In 2024 Medicare Part D data, Katherine Ernest's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Lisinopril.
Has Katherine Ernest received payments from drug or device companies?
CMS Open Payments shows $66 in general payments to Katherine Ernest from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Katherine Ernest been practicing?
Katherine Ernest's NPI was assigned in 2018.
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