Leon Koenck, PA C
Physician Assistant · Gualala, CA
Leon Koenck, PA C is a physician assistant with a practice address in Gualala, California, and NPI 1164555769, issued on Mar 13, 2007. Check the license (California PA19714, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leon Koenck
- Credential
- PA C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA19714 CA
270 AK
PA 10003212 WA
PA10003212 WA
Self-reported in NPPES; status is on the state search - Practice location
- 46900 Ocean Dr, Gualala, CA 95445
- Phone
- (707) 884-4005
- Enumerated
- Mar 13, 2007
- Record last updated
- Feb 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (707) 884-4625
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 46900 Ocean Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laundon TransuePhysician Assistant1316644917
Verify Leon Koenck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
195 Medicare Part D claims for 109 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone32 claims
- Azithromycin25 claims
- Albuterol Sulfate Hfa23 claims
- Cefdinir13 claims
- Paxlovid13 claims
- Doxycycline Monohydrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.18
1 payment: food and beverage; the largest payer was Indivior Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leon Koenck among 14,451 physician assistant records in California
Leon Koenck, PA C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 physician assistant records list a practice address in Gualala
They are 3 of the 33 NPPES records with a practice address in Gualala, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Gualala → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Stephanie HsiehGualala, CA 954451720868045
- Laundon TransueGualala, CA 954451316644917
- Ashley Hupp, PA-CHealdsburg, CA 954481629968821
- Isis Laland, PA-CHealdsburg, CA 954481427373521
- Gigi Leon, PA-CHealdsburg, CA 954481780897496
- Diana Madison, PAHealdsburg, CA 954481083600332
- Linda Rake, PHYSICIAN ASSISTANTHealdsburg, CA 954481659580207
- Jodie Roades, PA-CHealdsburg, CA 954481649710070
Common questions
What is Leon Koenck, PA C's NPI number?
Leon Koenck, PA C's National Provider Identifier (NPI) is 1164555769, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leon Koenck, PA C located?
The NPPES record lists a practice address at 46900 Ocean Dr, Gualala, CA, 95445. Phone: (707) 884-4005. Providers update this record themselves, so call before visiting.
How can I verify Leon Koenck, PA C's license?
NPPES lists California license number PA19714, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Leon Koenck, PA C prescribe under Medicare Part D?
In 2024, Leon Koenck, PA C had 195 Medicare Part D claims for 109 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Leon Koenck, PA C's MIPS final score?
The 2023 MIPS final score is 73.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.