Frank Chia-Tang Hsu, DO
Cardiovascular Disease Physician · Santa Rosa, CA
Frank Chia-Tang Hsu, DO is a cardiovascular disease physician with a practice address in Santa Rosa, California, and NPI 1104454362, issued on Mar 31, 2020. Check the license (California 20A24648, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frank Chia-Tang Hsu
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 20A24648 CA
Self-reported in NPPES; status is on the state search - Practice location
- 34 Mark West Springs RD FL 3, Santa Rosa, CA 95403
- Phone
- (707) 573-5200
- Enumerated
- Mar 31, 2020
- Record last updated
- Jul 28, 2026
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 34 Mark West Springs RD FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mahsa Eskian, MDNeurology Physician1437893823
- Gary Green, MDInfectious Disease Physician1124102108
- Samantha Marbut, APRN, NP-CFamily Nurse Practitioner1720612617
- Jonathan Peng, M.D.Cardiovascular Disease Physician1922252725
Verify Frank Chia-Tang Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A24648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
112 Medicare Part D claims for 50 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel36 claims
- Atorvastatin Calcium16 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.
Industry payments in 2024: $170.92
3 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.
Frank Chia-Tang Hsu among 2,574 cardiovascular disease physician records in California
Frank Chia-Tang Hsu, DO 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 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 1% 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 Santa Rosa → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Anu Agarwal, M.D.Santa Rosa, CA 954031639345481
- Masis Babajanian, M.D.Santa Rosa, CA 954031609873850
- Kimberly Brayton, M.D.Santa Rosa, CA 954031811128275
- Daniel Brenner, MD / PHDSanta Rosa, CA 954031750561973
- Robert Combs, M.D.Santa Rosa, CA 954031215934948
- Emily Conway, M.D.Santa Rosa, CA 954031558599969
- Thomas Dunlap, M.D.Santa Rosa, CA 954031932106002
- Michael JohlSanta Rosa, CA 954031922428119
Common questions
What is Frank Chia-Tang Hsu, DO's NPI number?
Frank Chia-Tang Hsu, DO's National Provider Identifier (NPI) is 1104454362, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Frank Chia-Tang Hsu, DO located?
The NPPES record lists a practice address at 34 Mark West Springs RD FL 3, Santa Rosa, CA, 95403. Phone: (707) 573-5200. Providers update this record themselves, so call before visiting.
How can I verify Frank Chia-Tang Hsu, DO's license?
NPPES lists California license number 20A24648, 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 Frank Chia-Tang Hsu, DO prescribe under Medicare Part D?
In 2024, Frank Chia-Tang Hsu, DO had 112 Medicare Part D claims for 50 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.