John B. Ferguson, MD
Ophthalmology Physician · Wilmington, DE
John B. Ferguson, MD is an ophthalmology physician with a practice address in Wilmington, Delaware, and NPI 1790780534, issued on Jun 17, 2005. Check the license (Delaware DI-0000754, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John B. Ferguson
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- DI-0000754 DE
Self-reported in NPPES; status is on the state search - Practice location
- 2710 Centerville RD, Wilmington, DE 19808
- Phone
- (302) 993-1300
- Enumerated
- Jun 17, 2005
- Record last updated
- Oct 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (302) 993-1400
- Medicaid ID
- 0000157601 DE
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 65 in Delaware → Look up another NPI →
Also registered at 2710 Centerville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorna Simmerman, O.D.Optometrist1720157662
- Stewert Smith, MDOphthalmology Physician1306841010
Verify John B. Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license DI-0000754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
14 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
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.
John B. Ferguson among 65 ophthalmology physician records in Delaware
John B. Ferguson, MD is one of 65 ophthalmology physician records with a practice address in Delaware. 71% 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, 72% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2012 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Delaware
There are 65 ophthalmology physician records in Delaware.
All 65 in Delaware → Every provider in Wilmington → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sean Considine, MDWilmington, DE 198081861029068
- Heather Dealy, MDWilmington, DE 198081265424170
- Julianne Lin, M.D.Wilmington, DE 198081396742839
- Dorothy Moore, M.D.Wilmington, DE 198081063419349
- Stefan O'Connor, M.D.Wilmington, DE 198081023089489
- Stewert Smith, MDWilmington, DE 198081306841010
- Robert Abel, M.D.Wilmington, DE 198101699719815
- Tabassum Ali, MDWilmington, DE 198101225267362
Common questions
What is John B. Ferguson, MD's NPI number?
John B. Ferguson, MD's National Provider Identifier (NPI) is 1790780534, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John B. Ferguson, MD located?
The NPPES record lists a practice address at 2710 Centerville RD, Wilmington, DE, 19808. Phone: (302) 993-1300. Providers update this record themselves, so call before visiting.
How can I verify John B. Ferguson, MD's license?
NPPES lists Delaware license number DI-0000754, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John B. Ferguson, MD prescribe under Medicare Part D?
In 2024, John B. Ferguson, MD had 14 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. 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.