Quick answers
- Which hospitals does Atul Grover work at?
- Medicare's official clinician data lists Atul Grover at 3 hospitals: Hoag Memorial Hospital Presbyterian, Hoag Orthopedic Institute and Providence Little Co of Mary Medical Center San Pedro. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Atul Grover see patients?
- Medicare's clinician data lists 4 practice locations, including Newport Beach, CA, Irvine, CA and Walnut Creek, CA. Call before your visit to confirm the address.
- What is Atul Grover's specialty?
- Medicare lists Addiction Medicine as the primary specialty, and also Anesthesiology.
- Does Atul Grover accept Medicare assignment?
- Yes. Medicare's clinician data says Atul Grover accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Atul Grover offer telehealth?
- Medicare's clinician data says Atul Grover offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Atul Grover?
- (949) 645-8600, as listed in official Medicare / NPI Registry data.
- What is Atul Grover's NPI number?
- 1639166523. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Atul Grover works
Medicare's Facility Affiliation Data lists Atul Grover at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Hoag Orthopedic InstituteIrvine, CA · Acute Care Hospital · CCN 050769
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
Practice locations
Addresses where Atul Grover is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hoag DrNewport Beach, CA 92663 (949) 645‑8600
- 1525 Superior Ave, Suite 200Newport Beach, CA 92663 (949) 229‑3369
- 15825 Laguna Canyon Rd, Suite 200Irvine, CA 92618 (949) 341‑3499
- 2960 Camino Diablo, Suite 105Walnut Creek, CA 94597 (800) 892‑2695
Group practices
Medicare enrollment lists Atul Grover as a member of these groups (CMS data updated 2026-10-02).
- Newport Harbor Anesthesia Consultants Medical Group Inc95 clinicians in the group
- Bright Heart Health Medical Group a Medical Corporation11 clinicians in the group
Specialties
- Addiction Medicineprimary
- Anesthesiologyalso
Other addiction medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639166523 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians