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Edit this profileAt a glance
- 221 Michigan St Ne Ste 400, Grand Rapids, MI 49503
About Dr. Zambito
Mario P. Zambito, MD is a healthcare provider in Grand Rapids, MI specializing in surgical critical care. Mario trained at Michigan State University College of Human Medicine, graduating in 2016. According to Medicare claims data, Mario cared for 122 Medicare patients across 165 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and hospital discharge day management, 30 minutes or less. This provider record is associated with NPI 1083078844.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (616) 486-9600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
221 MICHIGAN ST NE STE 400
Grand Rapids, MI 49503
Procedures Most Often Billed to Medicare
165 services · 122 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
88 | More often than most peers in Surgical Critical Care |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
32 | As often as other peers in Surgical Critical Care |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
18 | As often as other peers in Surgical Critical Care |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 | Less often than most peers in Surgical Critical Care |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
12 | Less often than most peers in Surgical Critical Care |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other surgical critical cares at this location 1
Same specialty, same street address — most likely the same department or group.
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 surgical critical cares in Grand Rapids 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Michigan State University College of Human Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Michigan State University College of Human Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Zambito specialize in?
Dr. Zambito is a surgical critical care in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Zambito located?
Dr. Zambito is listed at 221 Michigan St Ne Ste 400, Grand Rapids, MI 49503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Zambito's phone number?
The number on file is (616) 486-9600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Zambito's NPI number?
Dr. Zambito's National Provider Identifier is 1083078844. 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. Zambito go to medical school?
Dr. Zambito attended Michigan State University College of Human Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Zambito been practicing?
Dr. Zambito has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Zambito do most often?
According to Medicare billing data, Dr. Zambito 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
Has Dr. Zambito confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zambito. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.