Lois Arend, MD
NPI 1134149578 · Anatomic Pathology & Clinical Pathology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lois Arend, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Ann Arbor, MI (NPI 1134149578).
Provider details
- NPI number
- 1134149578
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35-08-4632 (OH)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
433 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 | 201 | $28 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 123 | $11 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 41 | $35 |
| Antibody Evaluation, Initial Single Antibody Stain Procedure88346 | 26 | $34 |
| Electron Microscopy for Diagnosis88348 | 25 | $74 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 17 | $32 |
Practice location
Mailing address
Additional practice locations (1)
- 600 N Wolfe StBaltimore, MD 21287-0005Phone: (410) 955-2386
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Lois Arend's NPI number?
- Lois Arend's National Provider Identifier (NPI) is 1134149578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Arend's specialty?
- Lois Arend is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Lois Arend located?
- Lois Arend's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Lois Arend's phone number?
- The practice phone number listed in the NPPES registry for Lois Arend is (734) 936-4000.
- Does Lois Arend accept Medicare?
- Lois Arend is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lois Arend's NPI active?
- Yes — Lois Arend's NPI (1134149578) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.