Marilyn Kay Derkowski, RPH
Pharmacist · San Antonio, TX
Marilyn Kay Derkowski, RPH is a pharmacist with a practice address in San Antonio, Texas, and NPI 1689987398, issued on Jul 22, 2010. Check the license (Texas 31452, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marilyn Kay Derkowski
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 31452 TX
Self-reported in NPPES; status is on the state search - Practice location
- 10718 Potranco RD, San Antonio, TX 78251
- Phone
- (210) 681-2301
- Enumerated
- Jul 22, 2010
- Record last updated
- Jul 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (210) 681-5736
- Entity
- Type 1 · individual
Also registered at 10718 Potranco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Casanova, PHARMDPharmacist1063002517
- Joshua CastilloPharmacist1245190198
- Jennifer Cotton, RDRegistered Dietitian1730596180
Verify Marilyn Kay Derkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 31452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,375 pharmacist records list a practice address in San Antonio
They are 1,375 of the 37,749 NPPES records with a practice address in San Antonio, and 18,541 pharmacist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,375 in San Antonio → All 18,541 in Texas → Every provider in San Antonio →
Other pharmacist records in Texas
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- Robert Abagi, PHARMDBeaumont, TX1508142456
- Adolphus AbakwueDallas, TX1033447628
- Udochukwu Abakwue, PHARMDSugar Land, TX1467729079
- Nora AbamukongRichmond, TX1558905901
- Alexandra Abbas, PHARMDEl Paso, TX1699015875
- Kanwal AbbasHouston, TX1780011452
- Maryam AbbasMarshall, TX1477204675
- Narmin AbbasLongview, TX1962074567
Common questions
What is Marilyn Kay Derkowski, RPH's NPI number?
Marilyn Kay Derkowski, RPH's National Provider Identifier (NPI) is 1689987398, issued on Jul 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn Kay Derkowski, RPH located?
The NPPES record lists a practice address at 10718 Potranco RD, San Antonio, TX, 78251. Phone: (210) 681-2301. Providers update this record themselves, so call before visiting.
How can I verify Marilyn Kay Derkowski, RPH's license?
NPPES lists Texas license number 31452, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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. 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.