Mark Landis, N.P.
NPI 1912128588 · Nurse Practitioner · Newark, DE
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Landis, N.P. is a Nurse Practitioner provider in Newark, DE (NPI 1912128588).
Provider details
- NPI number
- 1912128588
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Male
- Sole proprietor
- No
- License
- L1-0026969 (DE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,263 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Impacted Ear Wax69210 | 957 | $40 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 902 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 216 | $107 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 73 | $47 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 65 | $129 |
| Simple Removal of Skin Debris and Drainage of Mastoid Cavity69220 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nortriptyline Hcl | 314 | 98 |
| Topiramate | 147 | 47 |
| Fluticasone Propionate | 78 | 32 |
| Sumatriptan Succinate | 66 | 21 |
| Prednisone | 42 | 38 |
| Clonazepam | 39 | — |
| Fluocinolone Acetonide Oil | 34 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$899 across 56 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2020-08-17
- Certified
- 2020-08-17
Frequently asked questions
- What is Mark Landis's NPI number?
- Mark Landis's National Provider Identifier (NPI) is 1912128588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Landis's specialty?
- Mark Landis is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Landis located?
- Mark Landis's practice location on file with NPPES is 700 Prides Xing Ste 200, Newark, DE 19713-6109.
- What is Mark Landis's phone number?
- The practice phone number listed in the NPPES registry for Mark Landis is (302) 998-0300.
- Does Mark Landis accept Medicare?
- Mark Landis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Landis's NPI active?
- Yes — Mark Landis's NPI (1912128588) is active in the NPPES registry as of the last update on 2020-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.