John Hammack, MA
NPI 1073852356 · Mental Health Counselor · Lake Stevens, WA
John Hammack, MA is a Mental Health Counselor provider in Lake Stevens, WA (NPI 1073852356).
Provider details
- NPI number
- 1073852356
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- No
- License
- LH60536005 (WA)
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
13 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
- 2013-02-06
- Last updated
- 2016-02-22
Frequently asked questions
- What is John Hammack's NPI number?
- John Hammack's National Provider Identifier (NPI) is 1073852356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hammack's specialty?
- John Hammack is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Hammack located?
- John Hammack's practice location on file with NPPES is 7304 10th St Se, Lake Stevens, WA 98258-3684.
- What is John Hammack's phone number?
- The practice phone number listed in the NPPES registry for John Hammack is (425) 870-5142.
- Is John Hammack's NPI active?
- Yes — John Hammack's NPI (1073852356) is active in the NPPES registry as of the last update on 2016-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.