Ken Gatter, MD
NPI 1649286246 · Anatomic Pathology & Clinical Pathology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ken Gatter, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Portland, OR (NPI 1649286246).
Provider details
- NPI number
- 1649286246
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD21322 (OR)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
757 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 224 | $29 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 106 | $38 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 92 | $86 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 56 | $36 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 49 | $12 |
| Bone Marrow, Smear Interpretation85097 | 48 | $49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-13
Frequently asked questions
- What is Ken Gatter's NPI number?
- Ken Gatter's National Provider Identifier (NPI) is 1649286246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Gatter's specialty?
- Ken Gatter is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ken Gatter located?
- Ken Gatter's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Ken Gatter's phone number?
- The practice phone number listed in the NPPES registry for Ken Gatter is (503) 494-8276.
- Does Ken Gatter accept Medicare?
- Ken Gatter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ken Gatter's NPI active?
- Yes — Ken Gatter's NPI (1649286246) is active in the NPPES registry as of the last update on 2007-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.