Tyler Greiner, DO
NPI 1194341032 · Anesthesiology Physician · Hiawatha, IA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tyler Greiner, DO is a Anesthesiology Physician provider in Hiawatha, IA (NPI 1194341032).
Provider details
- NPI number
- 1194341032
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO-06710 (IA)
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
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
64 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 34 | $92 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 17 | $123 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 13 | $119 |
Typical Medicare-allowed amounts for these services range $92–$123 (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
Additional practice locations (2)
- 200 Hawkins DrIowa City, IA 52242-1009Phone: (319) 356-2633
- 701 W Forevergreen RdNorth Liberty, IA 52317-9848Phone: (319) 356-2633Fax: (319) 356-3949
Registry dates
- Enumerated
- 2020-06-16
- Last updated
- 2025-04-18
- Certified
- 2025-04-18
Frequently asked questions
- What is Tyler Greiner's NPI number?
- Tyler Greiner's National Provider Identifier (NPI) is 1194341032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tyler Greiner's specialty?
- Tyler Greiner is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Tyler Greiner located?
- Tyler Greiner's practice location on file with NPPES is 1550 Boyson Rd, Hiawatha, IA 52233-2362.
- What is Tyler Greiner's phone number?
- The practice phone number listed in the NPPES registry for Tyler Greiner is (319) 743-7300.
- Does Tyler Greiner accept Medicare?
- Tyler Greiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tyler Greiner's NPI active?
- Yes — Tyler Greiner's NPI (1194341032) is active in the NPPES registry as of the last update on 2025-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.