RATAN L TIWARI, M.D., INC.
NPI 1700821519
Internal Medicine - Cardiovascular Disease in Hemet, CA

Active since June 17, 2006
949 CALHOUN PL, SUITE D, HEMET, CA 92543(951) 652-8000(951) 929-6431 Get Directions Write a Review

NPPES record last updated: September 8, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ratan L Tiwari, M.d., Inc. NPPES

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

RATAN L TIWARI, M.D., INC. (NPI 1700821519) is a healthcare organization registered as a cardiovascular disease in Hemet, California and active in the NPI registry since June 2006. The organization lists Ratan L Tiwari, President/owner, as its authorized official.

NPPES Registry Identity

NPI1700821519
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameRATAN L TIWARI, M.D., INC.
Location Address949 CALHOUN PL, SUITE DHemet, CA 92543-4403
Mailing Address949 Calhoun Pl, Suite DHemet, CA 92543-4403 · (951) 652-8000 · Fax (951) 929-6431
Fax(951) 929-6431
Organization SubpartNo
Authorized OfficialRatan L TiwariPresident/owner · (951) 652-8000
Enumeration DateJune 17, 2006
Last NPPES UpdateSeptember 8, 2009
✔ NPI 1700821519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · I082114
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
949 CALHOUN PL, Hemet, CA 92543

Other Identifiers 3

Medicare ID-Type UnspecifiedZZZ23810ZCA
MedicaidGR0071760CA
Medicare PIN00A351130CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ratan L Tiwari, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Ratan L Tiwari, M.D., Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Cardiovascular Disease (Cardiology)
NPI 1992723514
949 CALHOUN PL SUITE D
Hemet, CA 92543
(951) 652-8000
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1396775847
949 CALHOUN PL SUITE D
Hemet, CA 92543
(951) 652-8000
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1265402150
949 CALHOUN PL SUITE D
Hemet, CA 92543
(951) 652-8000
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1821086182
1180 N INDIAN CANYON DR STE E205
Palm Springs, CA 92262
(760) 325-1202
✔ PECOS✔ Accepts Medicare25 mi
Cardiovascular Disease (Cardiology)
NPI 1114275997
1415 TULANE AVE FL 4
New Orleans, LA 70112
(504) 988-6113
✔ PECOS✔ Accepts Medicare1,598 mi
Cardiovascular Disease (Cardiology)
NPI 1184987372
400 GILL LN
Iselin, NJ 08830
(732) 404-1580
✔ PECOS✔ Accepts Medicare2,377 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 Ratan L Tiwari, M.D., Inc.'s NPI number?

The NPI number for Ratan L Tiwari, M.D., Inc. is 1700821519. It was assigned to this organization in the NPPES registry on June 17, 2006.

Where is Ratan L Tiwari, M.D., Inc. located?

Ratan L Tiwari, M.D., Inc. is located at 949 Calhoun Pl Suite D, Hemet, CA 92543. The listed phone number is (951) 652-8000.

What is Ratan L Tiwari, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Ratan L Tiwari, M.D., Inc. enrolled in Medicare?

Yes. Ratan L Tiwari, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ratan L Tiwari, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians, all in Cardiovascular Disease (Cardiology), reassign their Medicare billing to Ratan L Tiwari, 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. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ratan L Tiwari, M.D., Inc. was last updated on September 8, 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.