Doctor profile · Federal record

Dr. Maia Eng, M.D.

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

  • NPI 1043604515
  • Accepts Medicare
  • MIPS 76.9 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1100 Trancas St Ste 240
Napa, CA 945582909
(707) 253-1036
Additional location
4150 V St, #1110
Sacramento, CA 95817
(916) 734-2737

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
September 5, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #A145087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043604515. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,302
Distinct HCPCS
10
Medicare allowed
$111,915
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 268 138 $139
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 239 185 $9
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 156 148 $83
99204 New patient office or other outpatient visit, 45-59 minutes 156 156 $183
75574 Ct scan of blood vessels and grafts of heart with contrast 81 47 $124
93312 Ultrasound of heart with probe in esophagus, with report 64 57 $115
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 57 52 $3
93320 Ultrasound of heart blood flow, valves and chambers 52 47 $19
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 35 35 $15
93355 Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report 29 29 $240

In context: peer comparison

Among 2 peers in this city , average services per provider: 58. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,967
Transactions
42
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 11 $852.19
Abbott Laboratories 4 $621.67
BIOTRONIK INC. 1 $238.49
Inari Medical, Inc. 1 $212.58
Bayer Healthcare Pharmaceuticals Inc. 5 $207.65
HEARTFLOW, INC. 1 $203.46
Medtronic, Inc. 1 $155.94
Boehringer Ingelheim Pharmaceuticals, Inc. 8 $155.07
W. L. Gore & Associates, Inc. 1 $121.42
Amgen Inc. 5 $108.91
Baxter Healthcare 2 $40.08
Takeda Pharmaceuticals U.S.A., Inc. 1 $26.03
E.R. Squibb & Sons, L.L.C. 1 $23.22

By nature of payment

Food and Beverage
$2,967

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
416
Patients
93
Total drug cost
$37,001
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 63 26 $869
Rosuvastatin Calcium Generic 42 15 $767
Amlodipine Besylate Generic 41 13 $140
Metoprolol Tartrate Generic 41 11 $463
Metoprolol Succinate Generic 38 13 $453
Spironolactone Generic 37 0 $335
Eliquis (Apixaban) Brand 27 15 $32,324
Losartan Potassium Generic 26 0 $410
Furosemide Generic 24 0 $192
Lisinopril Generic 19 0 $147

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maia Eng's medical specialty?
Dr. Maia Eng practices Cardiovascular Disease Physician in Napa, CA.
Where does Dr. Maia Eng practice?
Dr. Maia Eng practices at 1100 Trancas St Ste 240, Napa, CA 945582909. Office phone: 7072531036.
What is Dr. Maia Eng's NPI?
Dr. Maia Eng's National Provider Identifier (NPI) is 1043604515, issued by NPPES.
Does Dr. Maia Eng accept Medicare assignment?
Yes. Dr. Maia Eng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maia Eng 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 only (HCPCS 93010); Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS 78452). Source: CMS Medicare Physician & Other Practitioners file.