Mark Landis, N.P.
Nurse Practitioner · Newark, DE
Mark Landis, N.P. is a nurse practitioner with a practice address in Newark, Delaware, and NPI 1912128588, issued on May 1, 2007. Check the license (Delaware L1-0026969, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Landis
- Credential
- N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- L1-0026969 DE
Self-reported in NPPES; status is on the state search - Practice location
- 700 Prides Xing Ste 200, Newark, DE 19713
- Phone
- (302) 998-0300
- Enumerated
- May 1, 2007
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (302) 543-8456
- Medicare enrollment
- Enrolled (PECOS I20111129000677); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 545 in Delaware → Look up another NPI →
Also registered at 700 Prides Xing Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julian AminOtolaryngology Physician1801264056
- Sokun Bhatti, MDAllergy & Immunology Physician1225249113
- Kieran ConnollySpecialist1700828332
- Rebecca Dooley, AUDAudiologist1578297719
- Gregg Goldstein, MDOtolaryngology Physician1710116462
- Thomas GravesFamily Nurse Practitioner1942729819
Verify Mark Landis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license L1-0026969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average nurse practitioner in 2024
1,150 Medicare Part D claims for 331 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Nortriptyline Hcl314 claims
- Topiramate147 claims
- Fluticasone Propionate78 claims
- Sumatriptan Succinate66 claims
- Prednisone42 claims
- Clonazepam39 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): 78.6 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).
Industry payments in 2024: $899.22
56 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- Ent And Allergy OF Delaware LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Landis among 545 nurse practitioner records in Delaware
Mark Landis, N.P. 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 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 74% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2005 · median 2017 among the 291 with a school on file
- Record last updated2020 · 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).
113 nurse practitioner records list a practice address in Newark
They are 113 of the 4,662 NPPES records with a practice address in Newark, and 545 nurse practitioner records in Delaware.
All 545 in Delaware → Every provider in Newark → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Marilynn Bartley, NPNewark, DE 197131538147673
- Barbara Estep, N.P.Newark, DE 197131982786125
- Susan Fullerton, MSNNewark, DE 197131295722155
- Stacey Graves, MSN, CRNPNewark, DE 197131649279399
- Carol Gray, CFNPNewark, DE 197131629007570
- Diane Hochstuhl, APNNewark, DE 197131043302912
- Cynthia Jones, NPNewark, DE 197131215908900
- Mark Mendell, NPNewark, DE 197131710994827
Common questions
What is Mark Landis, N.P.'s NPI number?
Mark Landis, N.P.'s National Provider Identifier (NPI) is 1912128588, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Landis, N.P. located?
The NPPES record lists a practice address at 700 Prides Xing Ste 200, Newark, DE, 19713. Phone: (302) 998-0300. Providers update this record themselves, so call before visiting.
How can I verify Mark Landis, N.P.'s license?
NPPES lists Delaware license number L1-0026969, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Landis, N.P. prescribe under Medicare Part D?
In 2024, Mark Landis, N.P. had 1,150 Medicare Part D claims for 331 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mark Landis, N.P.'s MIPS final score?
The 2023 MIPS final score is 78.6 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.