Michael Gray, MD
Michael Gray, MD is a Hospitalist Physician in Newport Beach, CA, registered under NPI 1003045915. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
Here is what surrounds this office in Newport Beach, based on OpenStreetMap data collected Aug 29, 2026. Parking is available about 0.46 mi away at Sunset Parks Parking Lot. The nearest transit stop is 0.20 mi away, served by Hospital-Placentia. If you arrive early, there is a coffee shop 0.44 mi away.
Getting here and what is nearby
Convenience A Market 769 ft ~3 min
3400 Pacific Coast Highway, Newport Beach 92663
Transit Hospital-Hoag 819 ft ~4 min
Restaurant A Restaurant 833 ft ~4 min
3334 Pacific Coast Highway, Newport Beach 92663
Transit Hospital-Placentia 895 ft ~4 min
Transit Hospital-Placentia 0.20 mi ~5 min
Hotel Hotel California 0.23 mi ~5 min
Restaurant The Winery Restaurant 0.24 mi ~5 min
Restaurant The Chicken Coop 0.25 mi ~5 min
414 Old Newport Boulevard, Newport Beach 92663
Mo-Su 07:00-21:00
Parking 0.31 mi ~7 min
3439 Via Oporto, Newport Beach 92663
Gas station Chevron 0.34 mi ~7 min
1461 Superior Avenue, Newport Beach 92663
Gas station Superior Car Wash & Detail Center 0.35 mi ~7 min
Coffee Herst Coffee Roasters 0.36 mi ~8 min
3400 Via Lido
Convenience 7-Eleven 0.37 mi ~8 min
Coffee Starbucks 0.38 mi ~8 min
3465 Via Lido, Newport Beach 92663
Mo-Su 05:30-21:00
Gas station Exxon 0.42 mi ~9 min
Coffee Little Billy's 0.44 mi ~9 min
2606 Avon Street
Parking Hoag Center Free Patient Parking 0.46 mi ~10 min
530 Superior Avenue, Newport Beach 92663
Parking Sunset Parks Parking Lot 0.46 mi ~10 min
164 Superior Avenue, Newport Beach 92663
Hotel Lido House 0.47 mi ~10 min
3300 Newport Boulevard, Newport Beach 92663
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| A112324 | CA | Hospitalist Physician primary |
| A112324 | CA | Internal Medicine Physician |
This provider holds licence A112324 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Hospitalist
- PAC ID
- 0941470918
- Enrollment ID
- I20110830000555
Medicare enrolment is recorded as approved under the provider type Practitioner - Hospitalist. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Hospitalist covers
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients. NUCC Health Care Provider Taxonomy, code 208M00000X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 208M00000X | Hospitalist Physician | A112324 | CA | primary |
| 207R00000X | Internal Medicine Physician | A112324 | CA |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003045915 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 13, 2009 |
| Last updated | May 11, 2017 |
| Status | Active |
| Sole proprietor | No |
| Gender | Male |
| Credential | MD |
| Practice address |
1 HOAG DR Newport Beach, CA 92663 (949) 610-7245 Fax (657) 241-7720 |
| Mailing address |
PO BOX 3589 Newport Beach, CA 92659 |
| Other identifiers |
P01503954
· Other (CA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 4 | 5 | 9 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 4 | 1 | 9 | 2 |
Sum = 45 · next multiple of 10 = 50 · check digit = 5 · actual last digit = 5
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.