Listed in the NPI registry as a hospitalist, Michael Gray, MD practises in Newport Beach, CA. Michael graduated from University of California, Irvine, California College of Medicine in 2008. Michael is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Gray is a hospitalist in Newport Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
Dr. Gray is listed at 1 HOAG DR, Newport Beach, CA 92663. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 610-7245. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Gray's National Provider Identifier is 1003045915. 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
Dr. Gray attended University of California, Irvine, California College of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Dr. Gray has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Gray 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gray. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1 HOAG DR
Newport Beach, CA 92663
244 services · 242 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
244 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
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.