Leon Koenck, PA-C

  • Ukiah, CA
  • Physician assistant
NPI1164555769
Part D claims, 2024
195
Hospital affiliations
1
Industry payments
$37
Medical group
1
State licenses
3
Practice address
275 Hospital Drive, Ukiah, CA 95482
Practice phone
Call (707) 462-3111
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health Ukiah Valley

Hospital · Ukiah, California

See all 3 affiliations

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Leon Koenck is a physician assistant in Ukiah, California

Leon Koenck practices at Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health.

Leon Koenck's NPI, 1164555769, was assigned on March 13, 2007. Leon Koenck holds California license PA19714.

NPI and contact details
NPI enumeration date
March 13, 2007
NPI status
Active
Practice phone
(707) 462-3111
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Leon Koenck practices at Adventist Health Ukiah Valley in Ukiah, California

Leon Koenck's primary practice is Adventist Health Ukiah Valley, at 275 Hospital Drive, Ukiah, CA 95482 in Mendocino County. The practice phone is (707) 462-3111.

Source: Dmand AI Affiliation Data

Leon Koenck is affiliated with 2 sites of care and 1 medical group

Leon Koenck's primary practice is Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health. The medical group on file is Redwood Coast Medical Services. Dmand AI also links Leon Koenck to 1 more community health center, named with a free account.

See all 3 affiliations for Leon Koenck

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

Dmand AI tracks the EHR system at Leon Koenck's practice

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

EHR by site
SiteEHR vendor and product
Adventist Health Ukiah ValleyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Leon Koenck is one of 11,482 physician assistants in California

Physician assistant is Leon Koenck's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Leon Koenck is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Dmand AI has Leon Koenck's licenses on file in 3 states: California, Alaska and Washington.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA19714 · taxonomy 363A00000X
  • Alaska licenseLicense 270
  • Washington licenseLicense PA 10003212

Physician assistants near Leon Koenck

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

Leon Koenck's patients have a median age of 57

Across all payers, Dmand AI patient panel data puts Leon Koenck's median patient age at 57, with 57% women.

Leon Koenck's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women57%
  • Men42%

Source: Dmand AI Patient Panel Data

Leon Koenck wrote 195 Medicare Part D claims in 2024

In 2024, Leon Koenck wrote 195 Medicare Part D claims for 109 patients. 78% of them were for generic drugs. CMS names the drug for 117 of them, across 6 drugs with 11 or more claims each, at $2,635 in total drug cost.

Part D claims, 2024195
Drugs named by CMS6
Total drug cost$2,635
Part D patients109

Leon Koenck's Part D claims by kind of drug, 2024

  • Generic153 claims78%
  • Brand-name and other42 claims22%

Leon Koenck'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 Leon Koenck's Part D claims, 2024

  • Antibiotics38%74 of 195 claims

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

See all prescribing by Leon Koenck

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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Leon Koenck received $37 in industry payments from 2024 to 2025

CMS Open Payments shows 2 general payments to Leon Koenck from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $19.

General payments to Leon Koenck by program year, 2024 to 2025

Companies that paid Leon Koenck the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Leon Koenck

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Leon Koenck is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Leon Koenck'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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Leon Koenck

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

What is Leon Koenck's NPI number?

Leon Koenck's NPI number is 1164555769. It was assigned on March 13, 2007, and it is active in the NPI Registry.

What does Leon Koenck specialize in?

Leon Koenck is a physician assistant in Ukiah, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Leon Koenck practice?

Leon Koenck practices at 275 Hospital Drive, Ukiah, CA 95482. Leon Koenck's primary practice is Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health. Dmand AI also links Leon Koenck to 1 community health center.

What is Leon Koenck's office phone number?

The practice phone on file for Leon Koenck is (707) 462-3111.

What is Leon Koenck's medical license number?

Leon Koenck holds California license PA19714, one of the licenses on file in 3 states.

Which states has Leon Koenck been licensed in?

Dmand AI has state licenses on file for Leon Koenck in California, Alaska and Washington.

Which hospitals is Leon Koenck affiliated with?

Leon Koenck practices at Adventist Health Ukiah Valley in Ukiah, California.

What medical group is Leon Koenck part of?

Leon Koenck is linked to Redwood Coast Medical Services.

Is Leon Koenck board certified?

Yes. Leon Koenck is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does Leon Koenck prescribe most?

In 2024 Medicare Part D data, Leon Koenck's most prescribed drugs by claims were Prednisone, Azithromycin and Albuterol Sulfate Hfa.

Has Leon Koenck received payments from drug or device companies?

CMS Open Payments shows $37 in general payments to Leon Koenck from 2 companies from 2024 to 2025. The largest total came from Eli Lilly and Company.

How long has Leon Koenck been practicing?

Leon Koenck's NPI was assigned in 2007.

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