Zachary Scott Guerrini, PHARMD
Pharmacist · Rockville, MD
Zachary Scott Guerrini, PHARMD is a pharmacist with a practice address in Rockville, Maryland, and NPI 1659882017, issued on Oct 12, 2017. Check the license (Maryland 25291, 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
- Zachary Scott Guerrini
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 25291 MD
Self-reported in NPPES; status is on the state search - Practice location
- 20 Upper Rock Circle, Rockville, MD 20850
- Phone
- (301) 963-8932
- Enumerated
- Oct 12, 2017
- Record last updated
- Oct 12, 2017 (not updated in 9 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 →
Verify Zachary Scott Guerrini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 25291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Zachary Scott Guerrini among 5,562 pharmacist records in Maryland
Zachary Scott Guerrini, PHARMD 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 2017, is newer than 57% of them.
- NPI issued2017 · 57% of these records are older, 39% 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 updated2017 · 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).
199 pharmacist records list a practice address in Rockville
They are 199 of the 14,353 NPPES records with a practice address in Rockville, 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 Rockville → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Lauren Angelo, PHARMD, MBARockville, MD 208501285619304
- Mary Binghay, PHARMDRockville, MD 208501174590129
- Heather Congdon, PHARMDRockville, MD 208501326010075
- Kay Hong, R.PHRockville, MD 208501306047063
- Grace Jones, PHARMDRockville, MD 208501811011000
- Tasnuva Khan, PHARM.D.Rockville, MD 208501598953804
- John Nazzaro, R.PH.Rockville, MD 208501295869956
- Trinh Nguyen-Mau, R.PH.Rockville, MD 208501780707109
Common questions
What is Zachary Scott Guerrini, PHARMD's NPI number?
Zachary Scott Guerrini, PHARMD's National Provider Identifier (NPI) is 1659882017, issued on Oct 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Scott Guerrini, PHARMD located?
The NPPES record lists a practice address at 20 Upper Rock Circle, Rockville, MD, 20850. Phone: (301) 963-8932. Providers update this record themselves, so call before visiting.
How can I verify Zachary Scott Guerrini, PHARMD's license?
NPPES lists Maryland license number 25291, 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.