Pin-Hung Hsieh, M.D.
Internal Medicine Physician · Tustin, CA
Pin-Hung Hsieh, M.D. is an internal medicine physician with a practice address in Tustin, California, and NPI 1144323064, issued on Sep 6, 2006. Check the license (California A062358, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pin-Hung Hsieh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A062358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13522 Newport Ave Ste 102, Tustin, CA 92780
- Phone
- (714) 573-8200
- Enumerated
- Sep 6, 2006
- Record last updated
- Mar 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 573-9401
- Medicaid IDs
- 00A062358 CA
GN396Z CA - Medicare enrollment
- Enrolled (PECOS I20050307000309); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 13522 Newport Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Chyan, MDPhysical Medicine & Rehabilitation Physician1013406628
- Amirpasha Ehsan, MDPhysical Medicine & Rehabilitation Physician1790073385
- Vijay Jain, DMDDentist1710218326
- Julie Lopes, RN, NPFamily Nurse Practitioner1821358979
- Kim Ngan PhamPhysician Assistant1265115406
- Guy Randazzo, M.D.Pulmonary Disease Physician1881663979
Verify Pin-Hung Hsieh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A062358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,941 Medicare Part D claims for 639 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium578 claims
- Losartan Potassium370 claims
- Amlodipine Besylate327 claims
- Levothyroxine Sodium324 claims
- Metformin Hcl245 claims
- Eliquis164 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: $629.15
28 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Chest And Critical Care Consultants A Medical GroupTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pin-Hung Hsieh among 17,696 internal medicine physician records in California
Pin-Hung Hsieh, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Tustin
They are 34 of the 2,221 NPPES records with a practice address in Tustin, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Tustin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Al-Sadek, M.D.Tustin, CA 927801154353829
- Susan Ban, M.D.Tustin, CA 927801053324970
- Bernard Bennett, MDTustin, CA 927801871568899
- Jacqueline Do, M.D.Tustin, CA 927801689646952
- Huong Duong, M.D.Tustin, CA 927801013020437
- Daniel Eichinger, DOTustin, CA 927801598724015
- Thomas Hwang, M.D.Tustin, CA 927801124039722
- Deepika Lekawa, M.D.Tustin, CA 927801437248846
Common questions
What is Pin-Hung Hsieh, M.D.'s NPI number?
Pin-Hung Hsieh, M.D.'s National Provider Identifier (NPI) is 1144323064, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Pin-Hung Hsieh, M.D. located?
The NPPES record lists a practice address at 13522 Newport Ave Ste 102, Tustin, CA, 92780. Phone: (714) 573-8200. Providers update this record themselves, so call before visiting.
How can I verify Pin-Hung Hsieh, M.D.'s license?
NPPES lists California license number A062358, 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 Pin-Hung Hsieh, M.D. prescribe under Medicare Part D?
In 2024, Pin-Hung Hsieh, M.D. had 6,941 Medicare Part D claims for 639 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.