Hans Gao, MD
Cardiovascular Disease Physician · Thousand Oaks, CA
Hans Gao, MD is a cardiovascular disease physician with a practice address in Thousand Oaks, California, and NPI 1538663919, issued on Mar 21, 2018. Check the license (California A166429, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hans Gao
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A166429 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4679 Calle San Juan, Thousand Oaks, CA 91320
- Phone
- (805) 341-0714
- Enumerated
- Mar 21, 2018
- Record last updated
- Jul 10, 2026
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Hans Gao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
29 Medicare Part D claims for 17 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $113.25
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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.
Hans Gao among 2,574 cardiovascular disease physician records in California
Hans Gao, 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 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 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 Thousand Oaks → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Michael Papanicolaou, M.D.Thousand Oaks, CA 913201922038967
- Christopher Purmer, M.D.Thousand Oaks, CA 913201124058169
- Scott Wasserman, MDNewbury Park, CA 913201528405818
- Felix BarteNewhall, CA 913211922119148
- Harold QuanNewhall, CA 913211033220256
- Madhu ModyEncino, CA 913161700295680
- Zouheir Elias, MDNorthridge, CA 913251962460501
- Richard Pego, MDNorthridge, CA 913251073627022
Common questions
What is Hans Gao, MD's NPI number?
Hans Gao, MD's National Provider Identifier (NPI) is 1538663919, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Hans Gao, MD located?
The NPPES record lists a practice address at 4679 Calle San Juan, Thousand Oaks, CA, 91320. Phone: (805) 341-0714. Providers update this record themselves, so call before visiting.
How can I verify Hans Gao, MD's license?
NPPES lists California license number A166429, 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 Hans Gao, MD prescribe under Medicare Part D?
In 2024, Hans Gao, MD had 29 Medicare Part D claims for 17 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.