NPPES file of Aug 9, 2026

Garth Grey, FNP-C

Family Nurse Practitioner · Olney, MD

Garth Grey, FNP-C is a family nurse practitioner with a practice address in Olney, Maryland, and NPI 1306428792, issued on Apr 25, 2021. Check the license (Maryland R242260, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306428792
Name
Garth Grey
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R242260 MD
Self-reported in NPPES; status is on the state search
Practice location
18121 Georgia Ave Ste 103, Olney, MD 20832
Phone
(301) 933-5050
Enumerated
Apr 25, 2021
Record last updated
Feb 5, 2024
Fax
(301) 949-3262
Medicare enrollment
Enrolled (PECOS I20220503002895); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18121 Georgia Ave Ste 103

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Daphna Henkin, MDInternal Medicine Physician1831160233
  2. Shashank Patel, MDInternal Medicine Physician1952340648

Verify Garth Grey 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 R242260
    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

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58% fewer Medicare Part D claims than the average family nurse practitioner in 2024

553 Medicare Part D claims for 245 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Garth Grey553
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Albuterol Sulfate Hfa27 claims
  3. Amlodipine Besylate27 claims
  4. Paxlovid27 claims
  5. Prednisone26 claims
  6. Amoxicillin-Clavulanate Potass24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $687.45

29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Garth Grey$687.45
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Privia Care Center LLCRockville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Garth Grey among 4,124 family nurse practitioner records in Maryland

Garth Grey, FNP-C is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.

  • NPI issued2021 · 65% of these records are older, 28% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2021 · median 2019 among the 2,370 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 family nurse practitioner records list a practice address in Olney

They are 31 of the 742 NPPES records with a practice address in Olney, and 4,124 family nurse practitioner records in Maryland.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Bernadette Chestnutt, CRFNPOlney, MD 208321235147067
  2. Kelly Davis, CRNPOlney, MD 208321659820074
  3. Sherry Dulling, CRNPOlney, MD 208321043691884
  4. Shoshana Feldman, FNP-COlney, MD 208321932557139
  5. Tewabech Gedafie, CRNPOlney, MD 208321306276589
  6. Andrea Geraci, NPOlney, MD 208321093113821
  7. Shannon Murphy, CRNP, FNP-BCOlney, MD 208321982814786
  8. Shannon Nguy, CRNPOlney, MD 208321912422874

Common questions

What is Garth Grey, FNP-C's NPI number?

Garth Grey, FNP-C's National Provider Identifier (NPI) is 1306428792, issued on Apr 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Garth Grey, FNP-C located?

The NPPES record lists a practice address at 18121 Georgia Ave Ste 103, Olney, MD, 20832. Phone: (301) 933-5050. Providers update this record themselves, so call before visiting.

How can I verify Garth Grey, FNP-C's license?

NPPES lists Maryland license number R242260, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Garth Grey, FNP-C prescribe under Medicare Part D?

In 2024, Garth Grey, FNP-C had 553 Medicare Part D claims for 245 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.