Hsing-Chih Su, PH.D., R.PH.
Pharmacist · Gaithersburg, MD
Hsing-Chih Su, PH.D., R.PH. is a pharmacist with a practice address in Gaithersburg, Maryland, and NPI 1578736377, issued on Apr 12, 2008. Check the license (Maryland 16622, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hsing-Chih Su
- Credential
- PH.D., R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 16622 MD
Self-reported in NPPES; status is on the state search - Practice location
- 662 Quince Orchard RD, Gaithersburg, MD 20878
- Phone
- (301) 990-6993
- Enumerated
- Apr 12, 2008
- Record last updated
- May 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (301) 990-9713
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,562 in Maryland → Look up another NPI →
Also registered at 662 Quince Orchard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tinbit Gebretsadik, PHARM.DPharmacist1396009718
- Shakib PourifarsiPharmacist1295342871
- Brian Suen, PHARMDPharmacist1003534066
Verify Hsing-Chih Su in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 16622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
35 Medicare Part D claims for 35 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy12 claims
- Shingrix11 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.
Hsing-Chih Su among 5,562 pharmacist records in Maryland
Hsing-Chih Su, PH.D., R.PH. is one of 5,562 pharmacist records with a practice address in Maryland. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 10% of them.
- NPI issued2008 · 10% of these records are older, 88% newer
- In a Medicare fileYes · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 pharmacist records list a practice address in Gaithersburg
They are 104 of the 2,580 NPPES records with a practice address in Gaithersburg, and 5,562 pharmacist records in Maryland.
All 5,562 in Maryland → Every provider in Gaithersburg → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Myla DellupacGaithersburg, MD 208781497056030
- Stephanie Dix, RPHGaithersburg, MD 208781992092035
- Tinbit Gebretsadik, PHARM.DGaithersburg, MD 208781396009718
- Cindy Johnson, PHARM.D.Gaithersburg, MD 208781033533138
- Luanne Kane, RPHGaithersburg, MD 208781154633097
- Honghong La, PHARM.D.Gaithersburg, MD 208781952601023
- Nancy Mabie, R.PH.Gaithersburg, MD 208781851689129
- Cheryl Miranian, PHARM.DGaithersburg, MD 208781437432481
Common questions
What is Hsing-Chih Su, PH.D., R.PH.'s NPI number?
Hsing-Chih Su, PH.D., R.PH.'s National Provider Identifier (NPI) is 1578736377, issued on Apr 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Hsing-Chih Su, PH.D., R.PH. located?
The NPPES record lists a practice address at 662 Quince Orchard RD, Gaithersburg, MD, 20878. Phone: (301) 990-6993. Providers update this record themselves, so call before visiting.
How can I verify Hsing-Chih Su, PH.D., R.PH.'s license?
NPPES lists Maryland license number 16622, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Hsing-Chih Su, PH.D., R.PH. prescribe under Medicare Part D?
In 2024, Hsing-Chih Su, PH.D., R.PH. had 35 Medicare Part D claims for 35 beneficiaries; the average among pharmacist prescribers was 119. 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.