Krista Warren, MD
NPI 1578613485 · Anatomic Pathology & Clinical Pathology Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Krista Warren, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Duluth, MN (NPI 1578613485).
Provider details
- NPI number
- 1578613485
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 44497 (MN)
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
1,657 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 | 985 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 205 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 107 | $33 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 52 | $77 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 50 | $26 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 42 | $66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-11
- Last updated
- 2016-05-31
Frequently asked questions
- What is Krista Warren's NPI number?
- Krista Warren's National Provider Identifier (NPI) is 1578613485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krista Warren's specialty?
- Krista Warren is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Krista Warren located?
- Krista Warren's practice location on file with NPPES is 400 E 3rd St, Duluth, MN 55805-1951.
- What is Krista Warren's phone number?
- The practice phone number listed in the NPPES registry for Krista Warren is (218) 786-8364.
- Does Krista Warren accept Medicare?
- Krista Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Krista Warren's NPI active?
- Yes — Krista Warren's NPI (1578613485) is active in the NPPES registry as of the last update on 2016-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.