NPPES file of Aug 9, 2026

Erin Oman, CRNP

Family Nurse Practitioner · Hagerstown, MD

Erin Oman, CRNP is a family nurse practitioner with a practice address in Hagerstown, Maryland, and NPI 1891260741, issued on Oct 8, 2018. Check the license (Maryland R177384, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891260741
Name
Erin Oman
Credential
CRNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R177384 MD
Self-reported in NPPES; status is on the state search
Practice location
11110 Medical Campus RD Ste 246, Hagerstown, MD 21742
Phone
(301) 665-4585
Enumerated
Oct 8, 2018
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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Also registered at 11110 Medical Campus RD Ste 246

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

  1. Riad Almudallal, MDGastroenterology Physician1245220763
  2. Showkat Bashir, MDGastroenterology Physician1740242106
  3. Pear Enam, M.D.Specialist1780687616
  4. Rashid Hanif, M.D.Gastroenterology Physician1285637116
  5. Chunwei Lai, M.D., PH.D.Gastroenterology Physician1134568306

Verify Erin Oman 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 R177384
    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.

40% more Medicare Part D claims than the average family nurse practitioner in 2024

1,828 Medicare Part D claims for 553 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Erin Oman1,828
  2. Specialty average1,305

Most prescribed

  1. Pantoprazole Sodium257 claims
  2. Omeprazole221 claims
  3. Famotidine183 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf131 claims
  5. Linzess116 claims
  6. Esomeprazole Magnesium107 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: $67.04

1 payment; by number, the most common kind was food and beverage; the largest payer was Phathom 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.

  1. Erin Oman$67.04
  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 2 group practices

  1. Medical Practices OF Antietam, LLCHagerstown, MD
  2. Meritus Medical Center IncHagerstown, MD

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

Other family nurse practitioner records in Maryland

  1. Kanisha AaronOwings Mills, MD1518565324
  2. Nicole Aaron, CRNPQueenstown, MD1538916093
  3. Naomi Abaga, CRNPBaltimore, MD1871054494
  4. Kyerewaa Abban-Thompson, NPSilver Spring, MD1144513151
  5. Kristen Abbott, CRNPBerlin, MD1700597382
  6. Mark Abbott, FNPElkridge, MD1013452549
  7. Nabila Abdulwahab, CRNPBowie, MD1629341375
  8. Leila Abedi, CRNP-FGaithersburg, MD1699091603
  9. Hayat Aberra, NP-CEdgewater, MD1295275774
  10. Pamela Abina, CRNPColumbia, MD1154709335

Common questions

What is Erin Oman, CRNP's NPI number?

Erin Oman, CRNP's National Provider Identifier (NPI) is 1891260741, issued on Oct 8, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Erin Oman, CRNP located?

The NPPES record lists a practice address at 11110 Medical Campus RD Ste 246, Hagerstown, MD, 21742. Phone: (301) 665-4585. Providers update this record themselves, so call before visiting.

How can I verify Erin Oman, CRNP's license?

NPPES lists Maryland license number R177384, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Erin Oman, CRNP prescribe under Medicare Part D?

In 2024, Erin Oman, CRNP had 1,828 Medicare Part D claims for 553 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), loaded Aug 27, 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) 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 27, 2026.