Mary L. Horseman, CRNP
Nurse Practitioner · Easton, MD
Mary L. Horseman, CRNP is a nurse practitioner with a practice address in Easton, Maryland, and NPI 1598778680, issued on Aug 13, 2006. Check the license (Maryland R094441, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary L. Horseman
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R094441 MD
Self-reported in NPPES; status is on the state search - Practice location
- 511 Idlewild Ave, Easton, MD 21601
- Phone
- (410) 822-6005
- Enumerated
- Aug 13, 2006
- Record last updated
- Nov 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 822-9253
- Medicare enrollment
- Enrolled (PECOS I20041129000765); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 511 Idlewild Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamza Abdulla, M.D.Gastroenterology Physician1437599529
- Gina Anciano, NPFamily Nurse Practitioner1770202723
- Karen Fisher, CRNPAdult Health Nurse Practitioner1720039498
- Michael Fisher, MD, FACGGastroenterology Physician1679525059
- Hai-Ou Jin, MDGastroenterology Physician1225085061
- Brandi Oliver, FNP-CFamily Nurse Practitioner1912751793
Verify Mary L. Horseman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R094441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average nurse practitioner in 2024
984 Medicare Part D claims for 278 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Famotidine304 claims
- Pantoprazole Sodium277 claims
- Omeprazole83 claims
- Linzess64 claims
- Sod Sulf-Potass Sulf-Mag Sulf31 claims
- Esomeprazole Magnesium29 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,085.14
50 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- University OF Maryland Community Medical Group IncEaston, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 nurse practitioner records list a practice address in Easton
They are 21 of the 928 NPPES records with a practice address in Easton, and 1,248 nurse practitioner records in Maryland.
All 21 in Easton → All 1,248 in Maryland → Every provider in Easton →
Other nurse practitioner records in Maryland
- Meron AbiyRockville, MD1497622419
- Krystal Abucevicz-Swick, CRNPCumberland, MD1750867362
- Lilian AchiBowie, MD1376406686
- Ann AcostaWaldorf, MD1386267011
- Alembemulu AdaneSilver Spring, MD1417459603
- Gerald AdcockHagerstown, MD1083496970
- Hajara AdebowaleGlen Burnie, MD1265161491
- Olajumoke Adeleke, NPLanham, MD1053203760
- Ilene Ademola, NPCatonsville, MD1194590869
- Omobolanle Adenuga, CRNP-FEllicott City, MD1336796465
Common questions
What is Mary L. Horseman, CRNP's NPI number?
Mary L. Horseman, CRNP's National Provider Identifier (NPI) is 1598778680, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary L. Horseman, CRNP located?
The NPPES record lists a practice address at 511 Idlewild Ave, Easton, MD, 21601. Phone: (410) 822-6005. Providers update this record themselves, so call before visiting.
How can I verify Mary L. Horseman, CRNP's license?
NPPES lists Maryland license number R094441, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mary L. Horseman, CRNP prescribe under Medicare Part D?
In 2024, Mary L. Horseman, CRNP had 984 Medicare Part D claims for 278 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary L. Horseman, CRNP's MIPS final score?
The 2023 MIPS final score is 86.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.