Courtney C. Ladika, M.D.
Family Medicine Physician · Eureka, CA
Courtney C. Ladika, M.D. is a family medicine physician with a practice address in Eureka, California, and NPI 1952539561, issued on Jun 23, 2009. Check the license (California A116422, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Courtney C. Ladika
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A116422 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2350 Buhne St, Eureka, CA 95501
- Phone
- (707) 443-4593
- Enumerated
- Jun 23, 2009
- Record last updated
- Feb 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (707) 269-7116
- Medicare enrollment
- Enrolled (PECOS I20091023000189); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2350 Buhne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Courtney C. Ladika in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average family medicine physician in 2024
1,181 Medicare Part D claims for 270 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Lisinopril90 claims
- Atorvastatin Calcium51 claims
- Tamsulosin Hcl46 claims
- Amlodipine Besylate44 claims
- Levothyroxine Sodium44 claims
- Omeprazole39 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.
Bills Medicare through one group practice
- Open Door Community Health CentersArcata, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney C. Ladika among 17,133 family medicine physician records in California
Courtney C. Ladika, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2017 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 family medicine physician records list a practice address in Eureka
They are 48 of the 2,854 NPPES records with a practice address in Eureka, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Eureka → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Laurence Badgley, M.D.Eureka, CA 955011477647287
- Allison Burton, MDEureka, CA 955011255320438
- Corinne Frugoni, MDEureka, CA 955011639177892
- Hal Grotke, MDEureka, CA 955011790841278
- May Hong, M.D.Eureka, CA 955011811933690
- Willard Hunter, M.D.Eureka, CA 955011477589323
- Steven Kamelgarn, MDEureka, CA 955011811907975
- Eva Marshall, M.D.Eureka, CA 955011326009820
Common questions
What is Courtney C. Ladika, M.D.'s NPI number?
Courtney C. Ladika, M.D.'s National Provider Identifier (NPI) is 1952539561, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Courtney C. Ladika, M.D. located?
The NPPES record lists a practice address at 2350 Buhne St, Eureka, CA, 95501. Phone: (707) 443-4593. Providers update this record themselves, so call before visiting.
How can I verify Courtney C. Ladika, M.D.'s license?
NPPES lists California license number A116422, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Courtney C. Ladika, M.D. prescribe under Medicare Part D?
In 2024, Courtney C. Ladika, M.D. had 1,181 Medicare Part D claims for 270 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.