1. Home
  2. Directory
  3. California
  4. Pomona
  5. Surgery
  6. NPI Profile

A. R. MOHAN, MD INC.
NPI 1972740835
Surgery in Pomona, CA

Active since January 14, 2009
1818 N ORANGE GROVE AVE STE 300, POMONA, CA 91767(909) 622-6050(909) 620-4632 Get Directions Write a Review

NPPES record last updated: January 14, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About A. R. Mohan, Md Inc. NPPES

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

A. R. MOHAN, MD INC. (NPI 1972740835) is a healthcare organization registered as a surgery in Pomona, California and active in the NPI registry since January 2009. The organization lists Ayyampalayam Raju Mohan, Administrator, as its authorized official.

NPPES Registry Identity

NPI1972740835
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameA. R. MOHAN, MD INC.
Location Address1818 N ORANGE GROVE AVE STE 300Pomona, CA 91767-3028
Mailing Address1818 N Orange Grove Ave Ste 300Pomona, CA 91767-3028 · (909) 622-6050 · Fax (909) 620-4632
Phone(909) 622-6050
Fax(909) 620-4632
Organization SubpartNo
Authorized OfficialAyyampalayam Raju MohanAdministrator · (909) 622-6050
Enumeration DateJanuary 14, 2009
✔ NPI 1972740835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A37819
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License A37819 (CA)
1818 N ORANGE GROVE AVE STE 300, Pomona, CA 91767
Open in Google Maps ↗

Other Identifiers 2

Medicaid00A37819CA
Medicare PINA37819CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

A. R. Mohan, Md Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110823000583Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to A. R. Mohan, MD Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Ayyampalayam Mohan
General Surgery
NPI 1407952229
1818 N ORANGE GROVE AVE SUITE 308
Pomona, CA 91767
(909) 622-6050
✔ PECOS✔ Accepts MedicareSame address

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 A. R. Mohan, MD Inc.'s NPI number?

The NPI number for A. R. Mohan, MD Inc. is 1972740835. It was assigned to this organization in the NPPES registry on January 14, 2009.

Where is A. R. Mohan, MD Inc. located?

A. R. Mohan, MD Inc. is located at 1818 N Orange Grove Ave Ste 300, Pomona, CA 91767. The listed phone number is (909) 622-6050.

What is A. R. Mohan, MD Inc.'s specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is A. R. Mohan, MD Inc. enrolled in Medicare?

Yes. A. R. Mohan, MD Inc. is registered in the Medicare PECOS enrollment system.

When is A. R. Mohan, MD Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through A. R. Mohan, MD Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to A. R. Mohan, MD 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 A. R. Mohan, MD Inc. was last updated on January 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.