DR. MICHAEL GRAY (MD) – Hospitalist Physician, NPI 1003045915
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,302 HOSPITALIST in CA
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Provider Addresses for DR. MICHAEL GRAY (MD)
Newport Beach Post Office, 177, Riverside Avenue, Newport Heights, Newport Beach, Orange County, California, 92663, United States
NEWPORT BEACH, CA 926598589
Phone: (657) 241-3600
Fax: (657) 241-7708
Type: Mailing
Hoag Memorial Hospital Presbyterian, 1, Hoag Drive, Newport Heights, Newport Beach, Orange County, California, 92663, United States
NEWPORT BEACH, CA 926634162
Phone: (949) 610-7245
Fax: (657) 241-7720
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $78.
Total Amount is formed as General ($78) + Research ($0) + Ownership ($0) = $78.
Last reported payment date: 2024-12-08 • Largest payer in this snapshot: Dexcom, Inc. ($78).
Total Amount
$78
General + Research + Ownership
Payments
1
Total payment records
General Amount
$78
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dexcom, Inc. | $78 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-08-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110830000555 | I | Hospitalist | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 258 | 250 | $0 |
Insurance plans in this area (ZIP 92659)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H O S P I T A L I S T | MN | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| H O S P I T A L I S T | CA | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine, Hospice/Palliative Care | CA | |
| Hospitalist, Internal Medicine | CA |
Reviews
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