Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ATUL GROVER M D INC
NPI 1063449452
Preventive Medicine - Addiction Medicine in Newport Beach, CA

Active since June 28, 2006
1 HOAG DR, NEWPORT BEACH, CA 92663(949) 764-4624 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, Nov 11, 2020, May 12, 2020 (3 updates tracked since 2020).

About Atul Grover M D Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ATUL GROVER M D INC (NPI 1063449452) is a healthcare organization registered as an addiction medicine in Newport Beach, California and active in the NPI registry since June 2006. The organization maintains a secondary practice location in Irvine and lists Atul Grover, President, as its authorized official.

NPPES Registry Identity

NPI1063449452
Entity TypeOrganization
Primary Taxonomy2083A0300X
Legal Business NameATUL GROVER M D INC
Location Address1 HOAG DRNewport Beach, CA 92663-4162
Mailing AddressPo Box 5486Orange, CA 92863-5486 · (818) 550-0900 · Fax (505) 293-1524
Organization SubpartNo
Authorized OfficialAtul GroverPresident · (800) 883-7243
Enumeration DateJune 28, 2006
Last NPPES UpdateOctober 19, 20263 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1063449452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083A0300X
License✔ Licensed in CA · A55575
Definition
A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.
Also ListedAnesthesiologyTaxonomy 207L00000X
1 HOAG DR, Newport Beach, CA 92663

Secondary Practice Location 1

Location 115825 Laguna Canyon Rd, Ste 200Irvine, CA 92618-2125 · Phone (949) 341-3499

Other Identifiers 1

Medicaid00A555750CA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Atul Grover M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Atul Grover M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Addiction Medicine
NPI 1639166523
ONE HOAG DRIVE DEPARTMENT OF ANESTHESIOLOGY
Newport Beach, CA 92663
(949) 764-6954
✔ PECOS0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Atul Grover M D Inc's NPI number?

The NPI number for Atul Grover M D Inc is 1063449452. It was assigned to this organization in the NPPES registry on June 28, 2006.

Where is Atul Grover M D Inc located?

Atul Grover M D Inc is located at 1 Hoag Dr, Newport Beach, CA 92663. The listed phone number is (949) 764-4624.

What is Atul Grover M D Inc's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.

Is Atul Grover M D Inc enrolled in Medicare?

Yes. Atul Grover M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Atul Grover M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Addiction Medicine) reassigns their Medicare billing to Atul Grover M D Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Atul Grover M D Inc was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.