Grady Thiems
NPI 1245506229 · Emergency Medicine Physician · Merriam, KS
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grady Thiems is a Emergency Medicine Physician provider in Merriam, KS (NPI 1245506229).
Provider details
- NPI number
- 1245506229
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2014004835 (MO)
Specialties & taxonomies
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
14 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
598 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 | 288 | $160 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 143 | $111 |
| Critical Care, First 30-74 Minutes99291 | 106 | $196 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 48 | $8 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 13 | $65 |
Typical Medicare-allowed amounts for these services range $8–$196 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 64 | 64 |
| Ondansetron Hcl | 44 | 44 |
| Cephalexin | 34 | 34 |
| Oxycodone Hcl | 26 | 26 |
| Prednisone | 21 | 20 |
| Doxycycline Hyclate | 17 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-23
- Last updated
- 2018-05-16
Frequently asked questions
- What is Grady Thiems's NPI number?
- Grady Thiems's National Provider Identifier (NPI) is 1245506229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grady Thiems's specialty?
- Grady Thiems is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grady Thiems located?
- Grady Thiems's practice location on file with NPPES is 9100 W 74th St, Merriam, KS 66204.
- What is Grady Thiems's phone number?
- The practice phone number listed in the NPPES registry for Grady Thiems is (913) 676-2214.
- Does Grady Thiems accept Medicare?
- Grady Thiems is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grady Thiems's NPI active?
- Yes — Grady Thiems's NPI (1245506229) is active in the NPPES registry as of the last update on 2018-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.