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Rheumatology

Margarita Fallena, MD

Sees patients in Dallas, TX · Texas

Summary

Dr. Margarita Fallena, MD is a rheumatologist at 12740 Hillcrest Rd, Suite 265, Dallas, TX 75230. Phone: (972) 513-1410. Accepts Medicare assignment. In 2024, Margarita Fallena had 155 Original Medicare patients and 29,140 services. NPI 1760686737. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 12740 Hillcrest Rd, Suite 265, Dallas, TX 75230 · Directions
  • Phone: (972) 513‑1410
  • Medicare: Accepts Medicare assignment
  • Group practice: North Texas Center for Rheumatology
  • Medical school: graduated 2001 (25 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Margarita Fallena, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Margarita Fallena accept Medicare assignment?
Yes. Medicare's clinician data says Margarita Fallena accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Margarita Fallena see?
In 2024, CMS data shows 155 Original Medicare patients and 29,140 services for Margarita Fallena. This counts Original Medicare only and measures volume, not quality.
What is Margarita Fallena's NPI number?
1760686737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Margarita Fallena, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients155
Services billed to Medicare29,140
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)1,620 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)292 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)251 services
  4. Injection of drug or substance under skin or into muscle (96372)92 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)44 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • Arthritis75%
  • High cholesterol74%
  • Osteoporosis42%
  • Anxiety23%
  • Ischemic heart disease21%

Practice locations

Addresses where Margarita Fallena is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margarita Fallena as a member of this group (CMS data updated October 2, 2026).

  • North Texas Center for Rheumatology6 clinicians in the group

Specialties

Find other Rheumatology doctors in Texas →

Other rheumatologists in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All rheumatologists in Dallas →

Other clinicians in North Texas Center for Rheumatology

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1760686737
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians