John Tierney, MD
NPI 1023498326 · Surgical Critical Care Physician · Omaha, NE
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tierney, MD is a Surgical Critical Care Physician provider in Omaha, NE (NPI 1023498326).
Provider details
- NPI number
- 1023498326
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125066550 (IL)
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
11 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
146 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 56 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 36 | $159 |
| Critical Care, First 30-74 Minutes99291 | 36 | $192 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 18 | $71 |
Typical Medicare-allowed amounts for these services range $71–$192 (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
- 2015-06-02
- Last updated
- 2022-09-12
- Certified
- 2022-09-12
Frequently asked questions
- What is John Tierney's NPI number?
- John Tierney's National Provider Identifier (NPI) is 1023498326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tierney's specialty?
- John Tierney is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is John Tierney located?
- John Tierney's practice location on file with NPPES is 988102 Nebraska Medical Ctr, Omaha, NE 68198-8102.
- What is John Tierney's phone number?
- The practice phone number listed in the NPPES registry for John Tierney is (402) 559-6111.
- Does John Tierney accept Medicare?
- John Tierney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tierney's NPI active?
- Yes — John Tierney's NPI (1023498326) is active in the NPPES registry as of the last update on 2022-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.