David Parrish
NPI 1538964861 · Family Nurse Practitioner · Merrillville, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Parrish is a Family Nurse Practitioner provider in Merrillville, IN (NPI 1538964861).
Provider details
- NPI number
- 1538964861
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 28218779A (IN)
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-02-19
- Last updated
- 2025-04-25
- Certified
- 2025-04-25
Frequently asked questions
- What is David Parrish's NPI number?
- David Parrish's National Provider Identifier (NPI) is 1538964861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Parrish's specialty?
- David Parrish is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Parrish located?
- David Parrish's practice location on file with NPPES is 90 W 86th Ave, Merrillville, IN 46410-7086.
- What is David Parrish's phone number?
- The practice phone number listed in the NPPES registry for David Parrish is (219) 791-1555.
- Does David Parrish accept Medicare?
- David Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Parrish's NPI active?
- Yes — David Parrish's NPI (1538964861) is active in the NPPES registry as of the last update on 2025-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.