Grant Calloway Porter, PHARM.D.
Pharmacist · Dundalk, MD
Grant Calloway Porter, PHARM.D. is a pharmacist with a practice address in Dundalk, Maryland, and NPI 1558760538, issued on Aug 15, 2014. Check the license (Maryland 21751, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Grant Calloway Porter
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 21751 MD
RP448193 PA
Self-reported in NPPES; status is on the state search - Practice location
- 7845 Wise Ave, Dundalk, MD 21222
- Phone
- (410) 285-1401
- Enumerated
- Aug 15, 2014
- Record last updated
- Aug 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,562 in Maryland → Look up another NPI →
Also registered at 7845 Wise Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique Maison, RPHPharmacist1265042717
- Samuel Okafor, PHARMDPharmacist1265915334
Verify Grant Calloway Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 21751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Grant Calloway Porter among 5,562 pharmacist records in Maryland
Grant Calloway Porter, PHARM.D. 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 not. Its NPI, issued in 2014, is newer than 36% of them.
- NPI issued2014 · 36% of these records are older, 52% newer
- In a Medicare fileNo · 10% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 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).
15 pharmacist records list a practice address in Dundalk
They are 15 of the 230 NPPES records with a practice address in Dundalk, and 5,562 pharmacist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,562 in Maryland → Every provider in Dundalk → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Kayode AdedijiBaltimore, MD 212221932467628
- George Fotis, PHARMDBaltimore, MD 212221801884770
- Herbert Geilenkirchen, PHARM D.Baltimore, MD 212221265429112
- Ansu GreenDundalk, MD 212221174772842
- Nasar Iqbal, RPHDundalk, MD 212221912925082
- Mary Jankowiak, RPHDundalk, MD 212221396069183
- Ryan Kim, D.O., PHARMDBaltimore, MD 212221851654826
- Ramakrishnaraju PenmetsaBaltimore, MD 212221548587439
Common questions
What is Grant Calloway Porter, PHARM.D.'s NPI number?
Grant Calloway Porter, PHARM.D.'s National Provider Identifier (NPI) is 1558760538, issued on Aug 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Grant Calloway Porter, PHARM.D. located?
The NPPES record lists a practice address at 7845 Wise Ave, Dundalk, MD, 21222. Phone: (410) 285-1401. Providers update this record themselves, so call before visiting.
How can I verify Grant Calloway Porter, PHARM.D.'s license?
NPPES lists Maryland license number 21751, as entered by the provider. Search the Maryland 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.