Physician Profile
Unclaimed ProfileAbout MARCO
Greg Marco, MD is a healthcare provider in Grand Rapids, MI specializing in critical care (intensivists). Greg trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 1996. Greg is also listed as specializing in critical care medicine and pulmonary disease. Medicare claims data shows Greg provided 86 services to 37 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Marco?
Dr. Marco is a critical care (intensivists) in Grand Rapids, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CRITICAL CARE (INTENSIVISTS)”.
NPI registry
What is Dr. Marco's address?
Dr. Marco is listed at 100 MICHIGAN ST NE SUITE 8861, Grand Rapids, MI 49503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Marco?
The number on file is (616) 391-2802. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marco?
Dr. Marco's National Provider Identifier is 1427098433. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Marco train?
Dr. Marco attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marco have?
Dr. Marco has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marco perform?
According to Medicare billing data, Dr. Marco the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marco's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marco. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (616) 391-2802
- Email not available
Practice Locations
100 MICHIGAN ST NE SUITE 8861
Grand Rapids, MI 49503
Procedures Most Often Billed to Medicare
86 services · 37 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
86 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other critical cares in Grand Rapids 8
Same specialty, same city.
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1996 at University of Iowa, Rj & L Carver College of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.