Lisa Rani Maercks-Nagle, M.D.
Emergency Medicine Physician · Wilmington, DE
Lisa Rani Maercks-Nagle, M.D. is an emergency medicine physician with a practice address in Wilmington, Delaware, and NPI 1942289830, issued on Jan 10, 2006. Check the license (Delaware C1-0006264, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Lisa Rani Maercks-Nagle
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- C1-0006264 DE
Self-reported in NPPES; status is on the state search - Practice location
- 701 N Clayton St, Wilmington, DE 19805
- Phone
- (302) 266-9706
- Enumerated
- Jan 10, 2006
- Record last updated
- Sep 25, 2023
- Medicaid IDs
- 0752274 NJ
250692094 DE - Medicare enrollment
- Enrolled (PECOS I20040910000146); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Delaware → Look up another NPI →
Also registered at 701 N Clayton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kadir Abdul, MDStudent in an Organized Health Care Education/Training Program1407641806
- Ekta Agarwal, M.DHospitalist Physician1760886758
- David AshPhysical Therapist1265764195
- Brandon Augustine, PA-CSurgical Physician Assistant1720492754
- Reed Baker, PHARMDPharmacist1386083269
- April Beffa-Nere, CRNACertified Registered Nurse Anesthetist1972689610
Verify Lisa Rani Maercks-Nagle 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 C1-0006264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
122 Medicare Part D claims for 88 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Cephalexin15 claims
- Ibuprofen15 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 practice group's MIPS final score for 2023 (Medicare payment program): 98 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Rani Maercks-Nagle among 243 emergency medicine physician records in Delaware
Lisa Rani Maercks-Nagle, M.D. is one of 243 emergency medicine physician records with a practice address in Delaware. 83% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 65% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1999 · median 2010 among the 123 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Delaware
There are 243 emergency medicine physician records in Delaware.
All 243 in Delaware → Every provider in Wilmington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Janice Balas, MDWilmington, DE 198051851322564
- Richard Lucas, MDWilmington, DE 198051598709859
- Evan Lynn, MDWilmington, DE 198051437786712
- Jason Matthews, M.D.Wilmington, DE 198051346474301
- Wendy Ottenbacher, M.D.Wilmington, DE 198051114907367
- Lilia Romero, MDWilmington, DE 198051497799167
- Jaime Roques, MDWilmington, DE 198051194768838
- Theodore Schnitzler, DOWimington, DE 198051659302362
Common questions
What is Lisa Rani Maercks-Nagle, M.D.'s NPI number?
Lisa Rani Maercks-Nagle, M.D.'s National Provider Identifier (NPI) is 1942289830, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Rani Maercks-Nagle, M.D. located?
The NPPES record lists a practice address at 701 N Clayton St, Wilmington, DE, 19805. Phone: (302) 266-9706. Providers update this record themselves, so call before visiting.
How can I verify Lisa Rani Maercks-Nagle, M.D.'s license?
NPPES lists Delaware license number C1-0006264, 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 Lisa Rani Maercks-Nagle, M.D. prescribe under Medicare Part D?
In 2024, Lisa Rani Maercks-Nagle, M.D. had 122 Medicare Part D claims for 88 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Lisa Rani Maercks-Nagle, M.D.'s MIPS final score?
The 2023 MIPS final score is 98 of 100, reported for the practice group. 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.