Erkan Ereren

General Practice physician in Tustin, California — also lists obesity medicine in the CMS registry.

Practice Details

Address
13031 Newport Ave. Suite 116
Tustin, CA 92780
Geocoded location: 33.7492, -117.8112
Taxonomy
Surgery
Credential
MD
NPPES Enumeration
Listed with NPPES since 2007
Sole Proprietor
Yes
Provider Gender (NPPES)
Male
NPPES Record Updated
October 2025

Specialty taxonomies on file (2)

  • General Practice
    Primary
  • Bariatric Surgery
    Surgery

All specialty taxonomies this NPI reports in the CMS National Provider registry. A taxonomy on file reflects a self-reported designation, not confirmation of current services.

About This Clinician

Erkan Ereren is a General Practice physician in Tustin whose NPPES record also lists an obesity-medicine or bariatric-medicine taxonomy as a secondary specialty. Primary-care and family-medicine clinicians who carry this secondary designation are among those most likely to actively manage GLP-1 prescribing, though this registry entry does not confirm current prescribing practices — call ahead to confirm.

Locally, this is 1 of 4 Surgery practices in Tustin carrying this exact taxonomy in our directory.

GLP-1 access in Tustin, California

Adult obesity rate
28.1%
#44 of 50 states (CDC BRFSS)
Avg. compounded semaglutide
$219/mo
Typical California telehealth cash price
Medicaid GLP-1 coverage
Diabetes + obesity (with prior auth)
California Medicaid, obesity indication

About 28.1% of California adults have obesity (BMI 30+), ranking the state #44 of 50 (CDC BRFSS). Our directory currently lists 6 GLP-1-relevant clinics in Tustin. If a cash-pay route makes more sense, compounded semaglutide through California telehealth averages about $219/mo — well below brand-name Wegovy or Zepbound.

Explore more California options on the best California GLP-1 providers page, browse every Tustin listing in the Tustin clinic directory.

Telehealth Alternative

Prefer not to visit in person? Licensed GLP-1 telehealth providers ship compounded semaglutide or tirzepatide directly to California addresses, often faster and at lower cash cost than an in-person visit and brand-name prescription. Featured California telehealth partners:

Featured Partners · Tustin

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See all 171 GLP-1 providers serving Tustin ↓

See more Tustin options on the Tustin clinic directory, or compare the best semaglutide providers nationwide.

Learn more about the medications most commonly prescribed by Tustin obesity-medicine and endocrinology practices: Semaglutide and Tirzepatide.

Frequently Asked Questions

The CMS National Provider registry lists Erkan Ereren's specialty taxonomy but not the specific medications it prescribes or its current service menu. Erkan Ereren is listed under General Practice, a field where GLP-1 medications such as semaglutide (Wegovy, Ozempic) or tirzepatide (Zepbound, Mounjaro) are commonly prescribed — but whether this practice currently offers them isn't recorded in the registry. Call the practice at 714-333-5278 to confirm before booking.
According to its CMS National Provider registry (NPPES) record, Erkan Ereren's primary specialty on file is General Practice, with obesity medicine listed as a secondary taxonomy. Generalist clinicians who carry that secondary designation are among those who commonly manage GLP-1 prescribing, though the registry does not confirm current services.
Erkan Ereren is located at 13031 Newport Ave. Suite 116, Tustin, CA 92780. The phone number listed in the registry is 714-333-5278. Its full record is public in the CMS National Provider registry under NPI 1457490567.
New-patient status isn't recorded in the CMS National Provider registry, so we can't confirm whether Erkan Ereren is currently accepting new patients. Call the practice at 714-333-5278 to confirm availability, cash-pay pricing, and whether the services you need are offered — this listing reflects the NPPES taxonomy on file and is not an endorsement.