Timothy Greiner, MD
NPI 1447208210 · Anatomic Pathology & Clinical Pathology Physician · Omaha, NE
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Greiner, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Omaha, NE (NPI 1447208210).
Provider details
- NPI number
- 1447208210
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19237 (NE)
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
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
414 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 160 | $25 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 69 | $32 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 64 | $34 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 41 | $11 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 29 | $11 |
| Bone Marrow, Smear Interpretation85097 | 28 | $44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2011-06-23
Frequently asked questions
- What is Timothy Greiner's NPI number?
- Timothy Greiner's National Provider Identifier (NPI) is 1447208210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Greiner's specialty?
- Timothy Greiner is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Greiner located?
- Timothy Greiner's practice location on file with NPPES is 988102 Nebraska Medical Ctr, Omaha, NE 68198-8102.
- What is Timothy Greiner's phone number?
- The practice phone number listed in the NPPES registry for Timothy Greiner is (402) 559-4186.
- Does Timothy Greiner accept Medicare?
- Timothy Greiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Greiner's NPI active?
- Yes — Timothy Greiner's NPI (1447208210) is active in the NPPES registry as of the last update on 2011-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.