Maia Eng, M.D.
Cardiovascular Disease Physician · Napa, CA
Maia Eng, M.D. is a cardiovascular disease physician with a practice address in Napa, California, and NPI 1043604515, issued on Mar 23, 2015. Check the license (California A145087, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maia Eng
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A145087 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Trancas St Ste 240, Napa, CA 94558
- Phone
- (707) 253-1036
- Enumerated
- Mar 23, 2015
- Record last updated
- Sep 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20191120003204); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Maia Eng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A145087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,491 Medicare Part D claims for 249 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium152 claims
- Metoprolol Succinate133 claims
- Rosuvastatin Calcium126 claims
- Clopidogrel120 claims
- Eliquis112 claims
- Amlodipine Besylate111 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): 78.7 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).
Industry payments in 2024: $2,966.71
42 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Adventist Health Physicians NetworkNapa, CA
- St. Helena HospitalVallejo, CA
- Ukiah Adventist HospitalUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maia Eng among 2,574 cardiovascular disease physician records in California
Maia Eng, M.D. 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 2015, is newer than 86% of them.
- NPI issued2015 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 1999 among the 1,742 with a school on file
- Record last updated2023 · 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
- Keiko Aikawa, MDNapa, CA 945581194808121
- Daryl Dizmang, MDNapa, CA 945581033222385
- 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 Maia Eng, M.D.'s NPI number?
Maia Eng, M.D.'s National Provider Identifier (NPI) is 1043604515, issued on Mar 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Maia Eng, M.D. located?
The NPPES record lists a practice address at 1100 Trancas St Ste 240, Napa, CA, 94558. Phone: (707) 253-1036. Providers update this record themselves, so call before visiting.
How can I verify Maia Eng, M.D.'s license?
NPPES lists California license number A145087, 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 Maia Eng, M.D. prescribe under Medicare Part D?
In 2024, Maia Eng, M.D. had 1,491 Medicare Part D claims for 249 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Maia Eng, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.7 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.