Keiko Aikawa, MD
Cardiovascular Disease Physician · Napa, CA
Keiko Aikawa, MD is a cardiovascular disease physician with a practice address in Napa, California, and NPI 1194808121, issued on Oct 23, 2006. Check the license (California 00C54986, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keiko Aikawa
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 00C54986 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3443 Villa LN, Napa, CA 94558
- Phone
- (707) 253-8282
- Enumerated
- Oct 23, 2006
- Record last updated
- May 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 253-7023
- Medicare enrollment
- Enrolled (PECOS I20040623000897); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 3443 Villa LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Duguay, AUDAudiologist-Hearing Aid Fitter1558449561
- Manoj Eapen, M.D.Interventional Cardiology Physician1801892666
- David Freeto, M.D.Gastroenterology Physician1386735918
- William Huson, AU.D.Audiologist1013377605
- Sergio Manubens, MDInterventional Cardiology Physician1487634879
- Brian Mundy, M.D.Cardiovascular Disease Physician1225026180
Verify Keiko Aikawa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00C54986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,692 Medicare Part D claims for 381 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate440 claims
- Atorvastatin Calcium250 claims
- Lisinopril197 claims
- Eliquis172 claims
- Amlodipine Besylate161 claims
- Losartan Potassium134 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
- Pacmed ClinicsSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keiko Aikawa among 2,574 cardiovascular disease physician records in California
Keiko Aikawa, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1996 · median 1999 among the 1,742 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Napa → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Daryl Dizmang, MDNapa, CA 945581033222385
- Maia Eng, M.D.Napa, CA 945581043604515
- Brian Mundy, M.D.Napa, CA 945581225026180
- Rose Cohen, M.D.Martinez, CA 945531447422613
- John Edelen, M.D.Orinda, CA 945631831183383
- Ralph Moskowitz, M.D.Martinez, CA 945531134102122
- Shantha Ursell, M.D.Martinez, CA 945531316913866
- Krishna Moorthy, M.D.Pittsburg, CA 945651811933724
Common questions
What is Keiko Aikawa, MD's NPI number?
Keiko Aikawa, MD's National Provider Identifier (NPI) is 1194808121, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keiko Aikawa, MD located?
The NPPES record lists a practice address at 3443 Villa LN, Napa, CA, 94558. Phone: (707) 253-8282. Providers update this record themselves, so call before visiting.
How can I verify Keiko Aikawa, MD's license?
NPPES lists California license number 00C54986, 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 Keiko Aikawa, MD prescribe under Medicare Part D?
In 2024, Keiko Aikawa, MD had 2,692 Medicare Part D claims for 381 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.