Mark Birkenbach, MD
NPI 1346212313 · Anatomic Pathology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Birkenbach, MD is a Anatomic Pathology Physician provider in Minneapolis, MN (NPI 1346212313).
Provider details
- NPI number
- 1346212313
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101224785 (VA)
Specialties & taxonomies
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
20 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
192 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) |
|---|---|---|
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 104 | $27 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 45 | $11 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 16 | $35 |
| Electron Microscopy for Diagnosis88348 | 14 | $73 |
| Antibody Evaluation, Initial Single Antibody Stain Procedure88346 | 13 | $34 |
Typical Medicare-allowed amounts for these services range $11–$73 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2013-12-19
Frequently asked questions
- What is Mark Birkenbach's NPI number?
- Mark Birkenbach's National Provider Identifier (NPI) is 1346212313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Birkenbach's specialty?
- Mark Birkenbach is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Birkenbach located?
- Mark Birkenbach's practice location on file with NPPES is 420 Delaware St Se, Minneapolis, MN 55455-0341.
- What is Mark Birkenbach's phone number?
- The practice phone number listed in the NPPES registry for Mark Birkenbach is (612) 884-0301.
- Does Mark Birkenbach accept Medicare?
- Mark Birkenbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Birkenbach's NPI active?
- Yes — Mark Birkenbach's NPI (1346212313) is active in the NPPES registry as of the last update on 2013-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.