Brian Klazynski, M.D
NPI 1992935845 · Anatomic Pathology & Clinical Pathology Physician · Portland, ME
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Klazynski, M.D is a Anatomic Pathology & Clinical Pathology Physician provider in Portland, ME (NPI 1992935845).
Provider details
- NPI number
- 1992935845
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- Q6221 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
2,737 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 | 1,221 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 383 | $25 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 289 | $74 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 191 | $32 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 177 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 116 | $10 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-24
- Last updated
- 2022-01-05
- Certified
- 2022-01-05
Frequently asked questions
- What is Brian Klazynski's NPI number?
- Brian Klazynski's National Provider Identifier (NPI) is 1992935845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Klazynski's specialty?
- Brian Klazynski is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Klazynski located?
- Brian Klazynski's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3134.
- What is Brian Klazynski's phone number?
- The practice phone number listed in the NPPES registry for Brian Klazynski is (207) 662-0111.
- Does Brian Klazynski accept Medicare?
- Brian Klazynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Klazynski's NPI active?
- Yes — Brian Klazynski's NPI (1992935845) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.