NPPES file of Aug 9, 2026

Heidi Grill Harmon, RPH

Pharmacist · Rockville, MD

Heidi Grill Harmon, RPH is a pharmacist with a practice address in Rockville, Maryland, and NPI 1649337619, issued on Jan 2, 2007. Check the license (Maryland 10440, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649337619
Name
Heidi Grill Harmon
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License numbers
10440 MD
5505 CT
0202207122 VA
Self-reported in NPPES; status is on the state search
Practice location
1 Preserve Pkwy, Rockville, MD 20852
Phone
(240) 429-4002
Enumerated
Jan 2, 2007
Record last updated
Apr 8, 2013 (not updated in 13 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Heidi Grill Harmon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 10440
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Heidi Grill Harmon among 5,562 pharmacist records in Maryland

Heidi Grill Harmon, RPH 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 updated2013 · 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.

The 8 pharmacist records with the nearest ZIP codes

  1. Benjamin AkintanRockville, MD 208521215972898
  2. Susan Downard, R.PH.Rockville, MD 208521992862759
  3. Kathleen Downs, R.PH.Rockville, MD 208521982723847
  4. Perry Mackrill, R.PH.Rockville, MD 208521649327099
  5. Elizabeth Miller, PHARM. D.Rockville, MD 208521578560298
  6. Alicia Mozzachio, RPHRockville, MD 208521659341014
  7. Robert Pittman, R.PH., MPHRockville, MD 208521346243995
  8. Julie Rhie, R.PH.Rockville, MD 208521831219153

Common questions

What is Heidi Grill Harmon, RPH's NPI number?

Heidi Grill Harmon, RPH's National Provider Identifier (NPI) is 1649337619, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Grill Harmon, RPH located?

The NPPES record lists a practice address at 1 Preserve Pkwy, Rockville, MD, 20852. Phone: (240) 429-4002. Providers update this record themselves, so call before visiting.

How can I verify Heidi Grill Harmon, RPH's license?

NPPES lists Maryland license number 10440, 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.