Greta Hammer
NPI 1770138836 · Mental Health Counselor · Bellingham, WA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Hammer is a Mental Health Counselor provider in Bellingham, WA (NPI 1770138836).
Provider details
- NPI number
- 1770138836
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 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.
Practice location
Mailing address
Additional practice locations (2)
- 3645 E Mcleod RdBellingham, WA 98226-8700Phone: (360) 676-2220
- 3600 Meridian StBellingham, WA 98225-1756Phone: (360) 676-6000
Registry dates
- Enumerated
- 2019-08-06
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Greta Hammer's NPI number?
- Greta Hammer's National Provider Identifier (NPI) is 1770138836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Hammer's specialty?
- Greta Hammer is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Greta Hammer located?
- Greta Hammer's practice location on file with NPPES is 1328 Parkstone Ln, Bellingham, WA 98229-2580.
- What is Greta Hammer's phone number?
- The practice phone number listed in the NPPES registry for Greta Hammer is (509) 361-4310.
- Does Greta Hammer accept Medicare?
- Greta Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Hammer's NPI active?
- Yes — Greta Hammer's NPI (1770138836) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.