Stephanie Koplin, M.D.
NPI 1609831981 · Anatomic Pathology & Clinical Pathology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Koplin, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Milwaukee, WI (NPI 1609831981).
Provider details
- NPI number
- 1609831981
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1370-TEP (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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
1,114 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 | 595 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 141 | $26 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 120 | $75 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 83 | $32 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 49 | $10 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 29 | $25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2021-12-10
- Certified
- 2021-12-10
Frequently asked questions
- What is Stephanie Koplin's NPI number?
- Stephanie Koplin's National Provider Identifier (NPI) is 1609831981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Koplin's specialty?
- Stephanie Koplin is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Koplin located?
- Stephanie Koplin's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Stephanie Koplin's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Koplin is (414) 649-7803.
- Does Stephanie Koplin accept Medicare?
- Stephanie Koplin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Koplin's NPI active?
- Yes — Stephanie Koplin's NPI (1609831981) is active in the NPPES registry as of the last update on 2021-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.