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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

YASAR AHTSHAM MD
NPI 1306536875
Internal Medicine in Rengo, RENGO

Active since May 09, 2023PECOS Enrolled
DIPUTADO RICARDO VALENZUELA SAEZ 597, PARQUE BALUARTE, REGION LIBERTADOR BERNARDO OHIGGINS, RENGO, RENGO 29400(005) 694-9929 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 15, 2026, Apr 22, 2026, Nov 20, 2023 and 1 more (4 updates tracked since 2023).

About Yasar Ahtsham Md NPPES

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

YASAR AHTSHAM MD (NPI 1306536875) is an individual internal medicine provider in Rengo, RENGO, licensed in Delaware (C1-0029443) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1306536875
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameYASAR AHTSHAMCredential: MD
Location AddressDIPUTADO RICARDO VALENZUELA SAEZ 597, PARQUE BALUARTE, REGION LIBERTADOR BERNARDO OHIGGINSRengo, RENGO 29400
Mailing AddressDiputado Ricardo Valenzuela Saez 597, Parque Baluarte, Region Libertador Bernardo OhigginsRengo, RENGO 29400
Phone(005) 694-9929
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 9, 2023
Last NPPES UpdateJuly 15, 20264 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1306536875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DE · C1-0029443
Definition
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.
DIPUTADO RICARDO VALENZUELA SAEZ 597, Rengo, RENGO 29400
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yasar Ahtsham Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345715272
PECOS Enrollment IDI20260408003566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Yasar Ahtsham's NPI number?

The NPI number for Yasar Ahtsham is 1306536875. It was assigned to this individual provider in the NPPES registry on May 9, 2023.

Where is Yasar Ahtsham located?

Yasar Ahtsham practices at Diputado Ricardo Valenzuela Saez 597 Parque Baluarte, Region Libertador Bernardo Ohiggins, Rengo, RENGO 29400. The listed phone number is (005) 694-9929.

What is Yasar Ahtsham's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yasar Ahtsham enrolled in Medicare?

Yes. Yasar Ahtsham is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Yasar Ahtsham was last updated on July 15, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.