Doctor profile · Federal record

Dr. Keiko Aikawa, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Napa, CA

  • NPI 1194808121
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3443 Villa Ln, Ste 2
Napa, CA 945586417
(707) 253-8282
fax (707) 253-7023
Mailing address
141 Lombardy Ln
Orinda, CA 945631110

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
May 3, 2012
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #00C54986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194808121. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
851
Distinct HCPCS
10
Medicare allowed
$98,633
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 248 150 $129
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 141 140 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 107 104 $205
Q9957 Injection, perflutren lipid microspheres, per ml 45 22 $45
93880 Ultrasound of both sides of head and neck blood flow 42 42 $211
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $166
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose 27 13 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $87
93225 Electrocardiogram (ecg) 2-day continuous 25 23 $21
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional 25 23 $19

In context: peer comparison

Among 2 peers in this city , average services per provider: 58. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,621
Patients
522
Total drug cost
$233,487
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 331 109 $6,746
Atorvastatin Calcium Generic 208 71 $2,974
Lisinopril Generic 186 57 $1,618
Amlodipine Besylate Generic 120 42 $972
Furosemide Generic 115 38 $812
Eliquis (Apixaban) Brand 113 35 $168,655
Losartan Potassium Generic 105 32 $1,570
Carvedilol Generic 83 31 $1,238
Spironolactone Generic 65 24 $804
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 55 17 $570

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Keiko Aikawa's medical specialty?
Dr. Keiko Aikawa practices Cardiovascular Disease Physician in Napa, CA.
Where does Dr. Keiko Aikawa practice?
Dr. Keiko Aikawa practices at 3443 Villa Ln, Napa, CA 945586417. Office phone: 7072538282.
What is Dr. Keiko Aikawa's NPI?
Dr. Keiko Aikawa's National Provider Identifier (NPI) is 1194808121, issued by NPPES.
Does Dr. Keiko Aikawa accept Medicare assignment?
Yes. Dr. Keiko Aikawa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keiko Aikawa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.