NPPES file of Aug 9, 2026

Francis Njeuma Mase, M.D.

Pediatrics Physician · Wilmington, DE

Francis Njeuma Mase, M.D. is a pediatrics physician with a practice address in Wilmington, Delaware, and NPI 1003961020, issued on Jan 23, 2007. Check the license (Delaware C1-0005418, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003961020
Name
Francis Njeuma Mase
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
C1-0005418 DE
Self-reported in NPPES; status is on the state search
Practice location
700 W Lea Blvd, Wilmington, DE 19802
Phone
(302) 762-5656
Enumerated
Jan 23, 2007
Record last updated
Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(302) 762-5699
Medicaid ID
0001039001 DE
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 700 W Lea Blvd

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

  1. John Decarli, D.O.Internal Medicine Physician1063404044
  2. Peter Desroches, PTAPhysical Therapy Assistant1821233008
  3. Cynthia Guy, LPCSocial Worker1225708134
  4. Amy Hitchens, FNPFamily Nurse Practitioner1356730311
  5. Margaret Proctor, M.D.Pediatrics Physician1730251257

Verify Francis Njeuma Mase in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0005418
    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
Open the Delaware license search

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91% fewer Medicare Part D claims than the average pediatrics physician in 2024

35 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.

  1. Francis Mase35
  2. Specialty average375

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: $35.48

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Francis Mase$35.48
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

175 pediatrics physician records list a practice address in Wilmington

They are 175 of the 6,291 NPPES records with a practice address in Wilmington, and 290 pediatrics physician records in Delaware.

Other pediatrics physician records in Delaware

  1. Elsayed Abdelsalam, MDCamden, DE1679714935
  2. Rebecca Achterhof, MDNewark, DE1477500742
  3. Ashley Adams, MDDover Afb, DE1023307865
  4. Nicole AdlerBear, DE1841985504
  5. Taqdees Afreen, M.D.Milford, DE1184903627
  6. Valerie Agbeko, M.DDover, DE1720242522
  7. Brad Albertson, M.D.Wilmington, DE1972983716
  8. Colleen Allorto, DOMilford, DE1740307297
  9. Joanne Amos, DO, PA-CWilmington, DE1760731970
  10. Amy Anzilotti, MDWilmington, DE1194927053

Common questions

What is Francis Njeuma Mase, M.D.'s NPI number?

Francis Njeuma Mase, M.D.'s National Provider Identifier (NPI) is 1003961020, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Francis Njeuma Mase, M.D. located?

The NPPES record lists a practice address at 700 W Lea Blvd, Wilmington, DE, 19802. Phone: (302) 762-5656. Providers update this record themselves, so call before visiting.

How can I verify Francis Njeuma Mase, M.D.'s license?

NPPES lists Delaware license number C1-0005418, 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 Francis Njeuma Mase, M.D. prescribe under Medicare Part D?

In 2024, Francis Njeuma Mase, M.D. had 35 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.