John Edward Janikowski, DO
Family Medicine Physician · Apo, CA
John Edward Janikowski, DO is a family medicine physician with a practice address in Apo, California, and NPI 1326172685, issued on Mar 16, 2007. Check the license (California 2OA 5168, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Edward Janikowski
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2OA 5168 CA
1064 HI
Self-reported in NPPES; status is on the state search - Practice location
- Bldg 603 Ocean Road, Apo, CA 96555
- Phone
- (805) 355-2223
- Enumerated
- Mar 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090721000648); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify John Edward Janikowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 2OA 5168Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average family medicine physician in 2024
4,259 Medicare Part D claims for 257 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 260 claims were for opioids.
Most prescribed
- Losartan Potassium175 claims
- Amlodipine Besylate156 claims
- Lisinopril155 claims
- Hydrocodone-Acetaminophen150 claims
- Atorvastatin Calcium135 claims
- Metformin Hcl107 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): 86.2 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).
One hospital affiliation
- Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Edward Janikowski among 17,133 family medicine physician records in California
John Edward Janikowski, DO 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1974 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Sapoval, DOFpo, CA 963621487016879
- Kaoru Song, MDApo, CA 962711902306400
- Krithika ChandrasekaranTruckee, CA 961611144804543
- Catherine Colpitts, D.O.Truckee, CA 961611285051243
- Michael Hagen, M.D.Truckee, CA 961611811282932
- Sara Holmes, MDTruckee, CA 961611093419582
- Reini JensenTruckee, CA 961611295881787
- Kevin Johansen, MDTruckee, CA 961611487235305
Common questions
What is John Edward Janikowski, DO's NPI number?
John Edward Janikowski, DO's National Provider Identifier (NPI) is 1326172685, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Edward Janikowski, DO located?
The NPPES record lists a practice address at Bldg 603 Ocean Road, Apo, CA, 96555. Phone: (805) 355-2223. Providers update this record themselves, so call before visiting.
How can I verify John Edward Janikowski, DO's license?
NPPES lists California license number 2OA 5168, 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 John Edward Janikowski, DO prescribe under Medicare Part D?
In 2024, John Edward Janikowski, DO had 4,259 Medicare Part D claims for 257 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John Edward Janikowski, DO's MIPS final score?
The 2023 MIPS final score is 86.2 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.