Gwenn Leatherman
Family Nurse Practitioner · Hagerstown, MD
Gwenn Leatherman is a family nurse practitioner with a practice address in Hagerstown, Maryland, and NPI 1164875654, issued on Jul 20, 2016. Check the license (Maryland R185941, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwenn Leatherman
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R185941 MD
Self-reported in NPPES; status is on the state search - Practice location
- 118 E Oak Ridge Dr Ste 2000, Hagerstown, MD 21740
- Phone
- (016) 781-8393
- Enumerated
- Jul 20, 2016
- Record last updated
- Nov 23, 2022
- Fax
- (301) 679-1740
- Medicare enrollment
- Enrolled (PECOS I20161011000804); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 118 E Oak Ridge Dr Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tammy MillsPhlebotomy Technician1447854187
- Christina Quin, CRNPFamily Nurse Practitioner1003693193
Verify Gwenn Leatherman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R185941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average family nurse practitioner in 2024
2,367 Medicare Part D claims for 235 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 21 claims were for opioids.
Most prescribed
- Amlodipine Besylate93 claims
- Levothyroxine Sodium91 claims
- Atorvastatin Calcium87 claims
- Simvastatin86 claims
- Lisinopril85 claims
- Gabapentin78 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: $175.50
7 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Leatherman Healthcare LLCHagerstown, MD
- Meritus Medical Center IncHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwenn Leatherman among 4,124 family nurse practitioner records in Maryland
Gwenn Leatherman 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 2016, is newer than 33% of them.
- NPI issued2016 · 33% of these records are older, 61% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2019 among the 2,370 with a school on file
- Record last updated2022 · 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).
115 family nurse practitioner records list a practice address in Hagerstown
They are 115 of the 2,414 NPPES records with a practice address in Hagerstown, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Hagerstown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ann Beauchamp, CRNPHagerstown, MD 217401023296019
- Teresa Dumpe, CRNPHagerstown, MD 217401003845975
- Elizabeth Fields, MSN, CRNPHagerstown, MD 217401851751341
- Catherine Hays, CRNP-FHagerstown, MD 217401194816066
- Rachael Johnson, CRNP-FHagerstown, MD 217401194029397
- Lynne Kline, CRNPHagerstown, MD 217401679576888
- Susan Lange, CRNPHagerstown, MD 217401811092364
- Joyce Lee, CRNP-FHagerstown, MD 217401356322614
Common questions
What is Gwenn Leatherman's NPI number?
Gwenn Leatherman's National Provider Identifier (NPI) is 1164875654, issued on Jul 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gwenn Leatherman located?
The NPPES record lists a practice address at 118 E Oak Ridge Dr Ste 2000, Hagerstown, MD, 21740. Phone: (016) 781-8393. Providers update this record themselves, so call before visiting.
How can I verify Gwenn Leatherman's license?
NPPES lists Maryland license number R185941, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Gwenn Leatherman prescribe under Medicare Part D?
In 2024, Gwenn Leatherman had 2,367 Medicare Part D claims for 235 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.