Colleen Zak
NPI 1285001586 · Family Nurse Practitioner · Lancaster, PA
Colleen Zak is a Family Nurse Practitioner provider in Lancaster, PA (NPI 1285001586).
Provider details
- NPI number
- 1285001586
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SP015198 (PA)
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 tenure38% of score
10 yrs 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
- 2015-08-24
- Last updated
- 2018-10-10
Frequently asked questions
- What is Colleen Zak's NPI number?
- Colleen Zak's National Provider Identifier (NPI) is 1285001586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Zak's specialty?
- Colleen Zak is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Colleen Zak located?
- Colleen Zak's practice location on file with NPPES is 1605 Lititz Pike, Lancaster, PA 17601-6507.
- What is Colleen Zak's phone number?
- The practice phone number listed in the NPPES registry for Colleen Zak is (717) 735-3995.
- Is Colleen Zak's NPI active?
- Yes — Colleen Zak's NPI (1285001586) is active in the NPPES registry as of the last update on 2018-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.