Nelson L. Ferreira, M.D.
Gastroenterology Physician · Hagerstown, MD
Nelson L. Ferreira, M.D. is a gastroenterology physician with a practice address in Hagerstown, Maryland, and NPI 1679563746, issued on Oct 28, 2005. Check the license (Maryland D44361, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Nelson L. Ferreira
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D44361 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11110 Medical Campus RD, Hagerstown, MD 21742
- Phone
- (301) 665-4585
- Enumerated
- Oct 28, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 665-4587
- Medicare enrollment
- Enrolled (PECOS I20100803000975); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 11110 Medical Campus RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Akridge, RN, CDEDiabetes Educator Registered Nurse1043413800
- Lawrence Barnoski, DOStudent in an Organized Health Care Education/Training Program1922852961
- Teresa Bauer, CRNACertified Registered Nurse Anesthetist1619908316
- Allison Beall, CRNPNurse Practitioner1518664622
- Ashley Bechtel, FNP-CNurse Practitioner1215771720
- Candace Bender, CRNACertified Registered Nurse Anesthetist1396773487
Verify Nelson L. Ferreira in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D44361Check 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% more Medicare Part D claims than the average gastroenterology physician in 2024
897 Medicare Part D claims for 382 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Famotidine150 claims
- Omeprazole130 claims
- Gavilyte-C120 claims
- Pantoprazole Sodium109 claims
- Sod Sulf-Potass Sulf-Mag Sulf61 claims
- Dicyclomine Hcl40 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: $10,088.09
16 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Medical Practices OF Antietam, 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).
Nelson L. Ferreira among 505 gastroenterology physician records in Maryland
Nelson L. Ferreira, M.D. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1988 · median 2002 among the 344 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Hagerstown → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Urooj Ahmed, MDHagerstown, MD 217421093354698
- Riad Almudallal, MDHagerstown, MD 217421245220763
- Showkat Bashir, MDHagerstown, MD 217421740242106
- Chintamaneni Choudari, M.D.Hagerstown, MD 217421538148283
- James Cremins, M.D.Hagerstown, MD 217421043200116
- Rashid Hanif, M.D.Hagerstown, MD 217421285637116
- Kiranpreet Khosa, M.D.Hagerstown, MD 217421861650384
- Chunwei Lai, M.D., PH.D.Hagerstown, MD 217421134568306
Common questions
What is Nelson L. Ferreira, M.D.'s NPI number?
Nelson L. Ferreira, M.D.'s National Provider Identifier (NPI) is 1679563746, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nelson L. Ferreira, M.D. located?
The NPPES record lists a practice address at 11110 Medical Campus RD, Hagerstown, MD, 21742. Phone: (301) 665-4585. Providers update this record themselves, so call before visiting.
How can I verify Nelson L. Ferreira, M.D.'s license?
NPPES lists Maryland license number D44361, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nelson L. Ferreira, M.D. prescribe under Medicare Part D?
In 2024, Nelson L. Ferreira, M.D. had 897 Medicare Part D claims for 382 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.