1. Home
  2. Directory
  3. Texas
  4. Dallas
  5. Internal Medicine
  6. NPI Profile

CYNTHIA R MULLER MD
NPI 1689695561
Internal Medicine in Dallas, TX

Active since July 23, 2006PECOS Enrolled
12221 MERIT DR, SUITE 1610, DALLAS, TX 75251(214) 217-1900 Get Directions Write a Review

NPPES record last updated: March 30, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Cynthia R Muller Md NPPES

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

CYNTHIA R MULLER MD (NPI 1689695561) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (L6122) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689695561
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCYNTHIA R MULLERCredential: MD
Location Address12221 MERIT DR, SUITE 1610Dallas, TX 75251-2202
Mailing Address12221 Merit Dr, Suite 1610Dallas, TX 75251-2202 · (214) 217-1900
Phone(214) 217-1900
Sole ProprietorNo
Enumeration DateJuly 23, 2006
Last NPPES UpdateMarch 30, 2012
✔ NPI 1689695561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · L6122
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.
12221 MERIT DR, Dallas, TX 75251
Open in Google Maps ↗

Other Identifiers 7

Medicare ID-Type Unspecified8G3945TX
Medicare ID-Type Unspecified8G3240TX
Medicare ID-Type Unspecified8G3946TX
Medicaid167359203TX
Medicaid167359204TX
Medicare UPINH34291TX
Medicaid167359205TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cynthia R Muller Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 75251 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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 20

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

RUTH OSEI FORDJOUR M.D.
Pediatrics
12221 MERIT DR, SUITE 1500
DALLAS, TX 75251
Dallas County (214) 957-4754
MATTHEW TICE MD
Emergency Medicine
12221 MERIT DR, SUITE 1500
DALLAS, TX 75251
Dallas County (214) 217-1911
MICHAEL D HARRIS PA
Physician Assistant
12221 MERIT DR, STE. 1610
DALLAS, TX 75251
Dallas County (214) 217-1911
DR. DAVID WOODKOTCH M.D.
Emergency Medicine
12221 MERIT DR, #1500
DALLAS, TX 75251
Dallas County (214) 217-1911
MR. PAUL J CLAIR PA
Physician Assistant
12221 MERIT DR, SUITE 1610
DALLAS, TX 75251
Dallas County (214) 217-1911
ANNA KRISTINA YARBROUGH PA-C
Physician Assistant
12221 MERIT DR, SUITE 1610
DALLAS, TX 75251
Dallas County (972) 372-0912
DR. ASMA MOHAMED ASHRAF M.D.
Internal Medicine
12221 MERIT DR, SUITE 1610
DALLAS, TX 75251
Dallas County (214) 217-1920
BRYAN C THIBODEAU MD
Emergency Medicine
12221 MERIT DR, SUITE 1610
DALLAS, TX 75251
Dallas County (214) 217-1912

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 Cynthia Muller's NPI number?

The NPI number for Cynthia Muller is 1689695561. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Where is Cynthia Muller located?

Cynthia Muller practices at 12221 Merit Dr Suite 1610, Dallas, TX 75251. The listed phone number is (214) 217-1900.

What is Cynthia Muller's specialty?

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

Is Cynthia Muller enrolled in Medicare?

Yes. Cynthia Muller is registered in the Medicare PECOS enrollment system.

What insurance does Cynthia Muller accept?

Health plans from Blue Cross and Blue Shield of Texas list Cynthia Muller 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 Cynthia Muller was last updated on March 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.