Perry L. Mackrill, R.PH.
Pharmacist · Rockville, MD
Perry L. Mackrill, R.PH. is a pharmacist with a practice address in Rockville, Maryland, and NPI 1649327099, issued on Jan 5, 2007. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Perry L. Mackrill
- Credential
- R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- Practice location
- 2101 E Jefferson St, Rockville, MD 20852
- Phone
- (301) 816-5639
- Enumerated
- Jan 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 816-6372
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,562 in Maryland → Look up another NPI →
Also registered at 2101 E Jefferson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Perry L. Mackrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Perry L. Mackrill among 5,562 pharmacist records in Maryland
Perry L. Mackrill, 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 not. Its NPI, issued in 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 90% 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 updated2007 · 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
- Benjamin AkintanRockville, MD 208521215972898
- Susan Downard, R.PH.Rockville, MD 208521992862759
- Kathleen Downs, R.PH.Rockville, MD 208521982723847
- Heidi Harmon, RPHRockville, MD 208521649337619
- Elizabeth Miller, PHARM. D.Rockville, MD 208521578560298
- Alicia Mozzachio, RPHRockville, MD 208521659341014
- Robert Pittman, R.PH., MPHRockville, MD 208521346243995
- Julie Rhie, R.PH.Rockville, MD 208521831219153
Common questions
What is Perry L. Mackrill, R.PH.'s NPI number?
Perry L. Mackrill, R.PH.'s National Provider Identifier (NPI) is 1649327099, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Perry L. Mackrill, R.PH. located?
The NPPES record lists a practice address at 2101 E Jefferson St, Rockville, MD, 20852. Phone: (301) 816-5639. Providers update this record themselves, so call before visiting.
How can I verify Perry L. Mackrill, R.PH.'s license?
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.