Stephen Groo, MD
NPI 1629041132 · Anatomic Pathology & Clinical Pathology Physician · University Place, WA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Groo, MD is a Anatomic Pathology & Clinical Pathology Physician provider in University Place, WA (NPI 1629041132).
Provider details
- NPI number
- 1629041132
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD 036775 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,174 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 2,888 | $71 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 103 | $42 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 64 | $109 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 55 | $95 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 50 | $70 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 14 | $122 |
Practice location
Mailing address
Additional practice locations (1)
- 9040 Jackson AveTacoma, WA 98431-3639Phone: (253) 968-1110
Registry dates
- Enumerated
- 2006-02-07
- Last updated
- 2020-12-21
- Certified
- 2020-12-21
Frequently asked questions
- What is Stephen Groo's NPI number?
- Stephen Groo's National Provider Identifier (NPI) is 1629041132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Groo's specialty?
- Stephen Groo is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Groo located?
- Stephen Groo's practice location on file with NPPES is 5225 Cirque Dr W Ste 200, University Place, WA 98467-3639.
- What is Stephen Groo's phone number?
- The practice phone number listed in the NPPES registry for Stephen Groo is (253) 770-2920.
- Does Stephen Groo accept Medicare?
- Stephen Groo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Groo's NPI active?
- Yes — Stephen Groo's NPI (1629041132) is active in the NPPES registry as of the last update on 2020-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.