Dr. Erkan Ereren , MD
General Practice β’ Tustin, CA
13031 Newport Ave. Suite 116, # 605
Tustin, CA 927803572
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
13031 Newport Ave. Suite 116
# 605
Tustin, CA 927803572
What Public CMS Data Show
General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Tustin and California
7 active clinicians are listed under General Practice with a practice address in Tustin, CA (1,963 in California).
Addresses are self-reported to NPPES and may be out of date.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-10-30NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
NUCC Taxonomy Code: 208600000X
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.
Additional State Medicaid & Healthcare Payer Identifiers
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 13031 NEWPORT AVE. SUITE 116, # 605, TUSTIN, CA 927803572 (Tel: 7143335278)
Registered at 13031 NEWPORT AVE. SUITE 116, # 605, TUSTIN, CA 927803572 (Tel: 7143335278)
General Practice (license number reported to NPPES: CA A38915)
NPI status registered as active in NPPES database
Registered at 1211 W LA PALMA AVE, # 605, ANAHEIM, CA 92801 (Tel: 7147748822)
Registered at 1211 W LA PALMA AVE, # 605, ANAHEIM, CA 92801 (Tel: 7147748822)
Recorded as ERKAN EREREN, MD
Surgery (license number reported to NPPES: CA A 38915)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other General Practices in Tustin
- Dr. Azita Hassas, MD
- Dr. Jamshid Maleki, MD
- Dr. Arturo Portales, DO
- Dr. Hans Park, MD
- Dr. Rita Ellithorpe, MD
Mailing Address
13031 Newport Ave. Suite 116, # 605
Tustin, CA 927803572
Phone: 7143335278