Guy Grabau, MD
NPI 1649275876 · Pulmonary Disease Physician · Joplin, MO
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Grabau, MD is a Pulmonary Disease Physician provider in Joplin, MO (NPI 1649275876).
Provider details
- NPI number
- 1649275876
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2011040031 (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
21 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
285 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 | 207 | $111 |
| Critical Care, First 30-74 Minutes99291 | 47 | $199 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 31 | $73 |
Typical Medicare-allowed amounts for these services range $73–$199 (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
- 2005-06-15
- Last updated
- 2024-03-06
- Certified
- 2024-03-06
Frequently asked questions
- What is Guy Grabau's NPI number?
- Guy Grabau's National Provider Identifier (NPI) is 1649275876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Grabau's specialty?
- Guy Grabau is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Grabau located?
- Guy Grabau's practice location on file with NPPES is 1102 W 32nd St, Joplin, MO 64804-3503.
- What is Guy Grabau's phone number?
- The practice phone number listed in the NPPES registry for Guy Grabau is (417) 347-4570.
- Does Guy Grabau accept Medicare?
- Guy Grabau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Grabau's NPI active?
- Yes — Guy Grabau's NPI (1649275876) is active in the NPPES registry as of the last update on 2024-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.