Timothy Greiner, DO
NPI 1952805285 · Emergency Medicine Physician · Bloomington, MN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Greiner, DO is a Emergency Medicine Physician provider in Bloomington, MN (NPI 1952805285).
Provider details
- NPI number
- 1952805285
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 71637 (MN)
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
8 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
457 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 176 | $161 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 144 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 91 | $111 |
| Critical Care, First 30-74 Minutes99291 | 33 | $197 |
| Ultrasound of Heart, Follow-Up93308 | 13 | $23 |
Typical Medicare-allowed amounts for these services range $8–$197 (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)
- 301 N Main StSheridan, MI 48884-9235Phone: (989) 291-3261
- 1406 6th Ave NSaint Cloud, MN 56303-1900Phone: (320) 251-2700
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2022-06-29
- Certified
- 2022-06-29
Frequently asked questions
- What is Timothy Greiner's NPI number?
- Timothy Greiner's National Provider Identifier (NPI) is 1952805285, 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 Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Greiner located?
- Timothy Greiner's practice location on file with NPPES is 4300 Marketpointe Dr Ste 100, Bloomington, MN 55435-5435.
- What is Timothy Greiner's phone number?
- The practice phone number listed in the NPPES registry for Timothy Greiner is (952) 835-9880.
- 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 (1952805285) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.