1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Internal Medicine
  6. NPI Profile

TERESA MERCED MD
NPI 1083645550
Internal Medicine in Los Angeles, CA

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
2080 CENTURY PARK E STE 507, LOS ANGELES, CA 90067(310) 556-0335(310) 556-0330 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Teresa Merced Md NPPES

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

TERESA MERCED MD (NPI 1083645550) is an individual internal medicine provider in Los Angeles, California, licensed in California (A88144) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1083645550
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTERESA MERCEDCredential: MD
Location Address2080 CENTURY PARK E STE 507Los Angeles, CA 90067-2008
Mailing Address2080 Century Park E Ste 507Los Angeles, CA 90067-2008 · (310) 556-0335 · Fax (310) 556-0330
Phone(310) 556-0335
Fax(310) 556-0330
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 5, 2006
Last NPPES UpdateJanuary 26, 2026
NPPES CertifiedJanuary 26, 2026
✔ NPI 1083645550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A88144
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.
2080 CENTURY PARK E STE 507, Los Angeles, CA 90067
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa Merced Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244209005
PECOS Enrollment IDI20040928001109
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90067 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGE CHAUX M D INC
Internal Medicine (Pulmonary Disease)
2080 CENTURY PARK E STE 507
LOS ANGELES, CA 90067
Los Angeles County (310) 556-0335
ASHRAF ELSAYEGH MD
Internal Medicine (Pulmonary Disease)
2080 CENTURY PARK E STE 507
LOS ANGELES, CA 90067
Los Angeles County (310) 556-0335
MEGAN ELISE BRINKMAN PA
Physician Assistant
2080 CENTURY PARK E STE 507
LOS ANGELES, CA 90067
Los Angeles County (310) 556-0335
CENTURY WOMEN MEDICAL GROUP, INC.
Obstetrics & Gynecology (Obstetrics)
2080 CENTURY PARK E STE 507
LOS ANGELES, CA 90067
Los Angeles County (310) 553-1200
ASHRAF ELSAYEGH MD A PROFESSIONAL CORPORATION
Internal Medicine (Pulmonary Disease)
2080 CENTURY PARK E STE 507
LOS ANGELES, CA 90067
Los Angeles County (310) 556-0335

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 Teresa Merced's NPI number?

The NPI number for Teresa Merced is 1083645550. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Teresa Merced located?

Teresa Merced practices at 2080 Century Park E Ste 507, Los Angeles, CA 90067. The listed phone number is (310) 556-0335.

What is Teresa Merced's specialty?

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

Is Teresa Merced enrolled in Medicare?

Yes. Teresa Merced is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Teresa Merced accept?

Health plans from Molina Healthcare list Teresa Merced as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Teresa Merced was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.