Mary C. Sullivan, NP
Nurse Practitioner · Wilmington, DE
Mary C. Sullivan, NP is a nurse practitioner with a practice address in Wilmington, Delaware, and NPI 1073593752, issued on Jan 19, 2006. Check the license (Delaware L10030437, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary C. Sullivan
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- L10030437 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1508 Pennsylvania Ave Ste 2A, Wilmington, DE 19806
- Phone
- (302) 468-4500
- Enumerated
- Jan 19, 2006
- Record last updated
- Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040621000273); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 545 in Delaware → Look up another NPI →
Also registered at 1508 Pennsylvania Ave Ste 2A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamid Deliri, M.D.Cardiovascular Disease Physician1801834833
Verify Mary C. Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license L10030437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average nurse practitioner in 2024
1,121 Medicare Part D claims for 264 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Rosuvastatin Calcium165 claims
- Metoprolol Succinate103 claims
- Furosemide69 claims
- Carvedilol59 claims
- Metoprolol Tartrate58 claims
- Eliquis55 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 MIPS final score for 2023 (Medicare payment program): 62 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Bellevue Heart Group LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary C. Sullivan among 545 nurse practitioner records in Delaware
Mary C. Sullivan, NP is one of 545 nurse practitioner records with a practice address in Delaware. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1999 · median 2017 among the 291 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 nurse practitioner records list a practice address in Wilmington
They are 196 of the 6,291 NPPES records with a practice address in Wilmington, and 545 nurse practitioner records in Delaware.
All 545 in Delaware → Every provider in Wilmington → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jean Pantal, CRNPWilmington, DE 198061962634659
- Hannah Abinteh, NPWilmington, DE 198051568070449
- Robin Britton, FNPGreenville, DE 198071225525983
- Vilma Davis, APNWilmington, DE 198051982795225
- Catherine Donahue-Smith, NPWilmington, DE 198071124099973
- Bernardine Henderson, NPWilmington, DE 198071801867585
- James Horstmyer, CRNPWilmington, DE 198051972554087
- Maryellen Kopp, APNWilmington, DE 198051255451092
Common questions
What is Mary C. Sullivan, NP's NPI number?
Mary C. Sullivan, NP's National Provider Identifier (NPI) is 1073593752, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Sullivan, NP located?
The NPPES record lists a practice address at 1508 Pennsylvania Ave Ste 2A, Wilmington, DE, 19806. Phone: (302) 468-4500. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Sullivan, NP's license?
NPPES lists Delaware license number L10030437, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Mary C. Sullivan, NP prescribe under Medicare Part D?
In 2024, Mary C. Sullivan, NP had 1,121 Medicare Part D claims for 264 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary C. Sullivan, NP's MIPS final score?
The 2023 MIPS final score is 62 of 100. 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.