Mark Darby, MSN
NPI 1851812309 · Family Nurse Practitioner · Omaha, NE
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Darby, MSN is a Family Nurse Practitioner provider in Omaha, NE (NPI 1851812309).
Provider details
- NPI number
- 1851812309
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN
- Sex
- Male
- Sole proprietor
- No
- License
- 38769 (NE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 82 | 11 |
| Aripiprazole | 56 | 14 |
| Trazodone Hcl | 55 | — |
| Quetiapine Fumarate | 39 | — |
| Aripiprazolebrand: Abilify Maintena | 34 | — |
| Risperidone | 32 | — |
| Gabapentin | 32 |
Practice location
Mailing address
Additional practice locations (1)
- 5620 Ames AveOmaha, NE 68104-2702Phone: (402) 933-0737
Registry dates
- Enumerated
- 2017-07-05
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mark Darby's NPI number?
- Mark Darby's National Provider Identifier (NPI) is 1851812309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Darby's specialty?
- Mark Darby is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Darby located?
- Mark Darby's practice location on file with NPPES is 985330 Nebraska Medical Ctr, Omaha, NE 68198-2702.
- What is Mark Darby's phone number?
- The practice phone number listed in the NPPES registry for Mark Darby is (402) 559-7925.
- Does Mark Darby accept Medicare?
- Mark Darby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Darby's NPI active?
- Yes — Mark Darby's NPI (1851812309) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.