Heather a Zak PHD PC
NPI 1285907121 · Psychologist · Lansing, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather a Zak PHD PC is a Psychologist organization in Lansing, MI (NPI 1285907121).
Provider details
- NPI number
- 1285907121
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Heather Zak, Owner(517) 327-7400
- License
- 4398970 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-02-22
- Last updated
- 2012-05-01
Frequently asked questions
- What is Heather a Zak PHD PC's NPI number?
- Heather a Zak PHD PC's National Provider Identifier (NPI) is 1285907121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Heather a Zak PHD PC?
- Heather a Zak PHD PC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Heather a Zak PHD PC located?
- Heather a Zak PHD PC's practice location on file with NPPES is 302 S Waverly Rd, Lansing, MI 48917-3631.
- What is Heather a Zak PHD PC's phone number?
- The practice phone number listed in the NPPES registry for Heather a Zak PHD PC is (517) 327-7400.
- Does Heather a Zak PHD PC accept Medicare?
- Heather a Zak PHD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Heather a Zak PHD PC?
- The authorized official listed on Heather a Zak PHD PC's NPPES record is Heather Zak, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Heather a Zak PHD PC's NPI active?
- Yes — Heather a Zak PHD PC's NPI (1285907121) is active in the NPPES registry as of the last update on 2012-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.