Greg Ghiardi, M.D.
NPI 1356342422 · Anesthesiology Physician · Marquette, MI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Ghiardi, M.D. is a Anesthesiology Physician provider in Marquette, MI (NPI 1356342422).
Provider details
- NPI number
- 1356342422
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- GG086234 (MI)
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
20 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
209 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 Other Procedure on Large Bowel Using an Endoscope00811 | 55 | $59 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 38 | $68 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 21 | $74 |
| Anesthesia for Extensive Surgery on Spine00670 | 17 | $301 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 15 | $44 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 15 | $42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2014-09-30
Frequently asked questions
- What is Greg Ghiardi's NPI number?
- Greg Ghiardi's National Provider Identifier (NPI) is 1356342422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Ghiardi's specialty?
- Greg Ghiardi is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Ghiardi located?
- Greg Ghiardi's practice location on file with NPPES is 580 W College Ave, Marquette, MI 49855-2705.
- What is Greg Ghiardi's phone number?
- The practice phone number listed in the NPPES registry for Greg Ghiardi is (906) 226-2569.
- Does Greg Ghiardi accept Medicare?
- Greg Ghiardi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Ghiardi's NPI active?
- Yes — Greg Ghiardi's NPI (1356342422) is active in the NPPES registry as of the last update on 2014-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.