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NPISignal

Individual Healthcare Provider

Iwan Nyotowidjojo, M.D.

NPI Record: ActiveInternal Medicine
NPI1578976270
Rancho Santa Margarita, California

Provider's NPPES record last updated: July 17, 2024

Overview

Entity Type
Individual Healthcare Provider
NPI
1578976270
Primary Specialty
Internal Medicine
Practice Location
Rancho Santa Margarita, California
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 20, 2026, 8:49 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Internal Medicine

    Allopathic & Osteopathic Physicians

    Primary

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Taxonomy code 207R00000X

Provider-Reported License Information

Internal Medicine (California)
A167115
Internal Medicine (Alabama)
45679
Internal Medicine (Indiana)
01089040A
Internal Medicine (Kansas)
TW-00242
Internal Medicine (Kentucky)
C1300
Internal Medicine (Louisiana)
334744
Internal Medicine (Maryland)
D0096206
Internal Medicine (Maine)
MD26749
Internal Medicine (Delaware)
CL-0025782
Internal Medicine (Arizona)
68913
Internal Medicine (Colorado)
DR.0069772
Internal Medicine (Arizona)
R74508
Internal Medicine (Iowa)
MD-50889
Internal Medicine (Idaho)
MC-1884
Internal Medicine (Florida)
TPME4194
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

29472 Avenida De Las Banderas

Rancho Santa Margarita, California 92688

Phone: (949) 459-9968

Record Information

Enumeration Date
June 10, 2014
Provider's NPPES Record Last Updated
July 17, 2024
Certification Date
July 17, 2024
NPISignal NPPES Dataset
August 2026

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