Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Katherine B. Farias, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Dr. Katherine B. Farias, MD is an OB-GYN at 5550 E Hampton St, Tucson, AZ 85712. Phone: (520) 420-2260. Accepts Medicare assignment. In 2024, Katherine B. Farias had 84 Original Medicare patients and 141 services. NPI 1972696706. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 5550 E Hampton St, Tucson, AZ 85712 · Directions (1 more location)
  • Phone: (520) 420‑2260
  • Medicare: Accepts Medicare assignment
  • Hospital: Tucson Medical Center
  • Group practice: TMC Medical Network (+1 more)
  • Medical school: University Of Arizona College Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine B. Farias, 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 Katherine B. Farias accept Medicare assignment?
Yes. Medicare's clinician data says Katherine B. Farias 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 Katherine B. Farias see?
In 2024, CMS data shows 84 Original Medicare patients and 141 services for Katherine B. Farias. This counts Original Medicare only and measures volume, not quality.
What is Katherine B. Farias's NPI number?
1972696706. 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 Katherine B. Farias, 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 patients84
Services billed to Medicare141
Different services or procedures18
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)31 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  3. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)14 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)12 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 cholesterol75%
  • High blood pressure60%
  • Arthritis43%
  • Osteoporosis29%
  • Anxiety20%
  • Depression19%

Hospitals where Katherine B. Farias works

Medicare's Facility Affiliation Data lists Katherine B. Farias at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006

Practice locations

Addresses where Katherine B. Farias is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine B. Farias as a member of these groups (CMS data updated October 2, 2026).

  • TMC Medical Network281 clinicians in the group
  • Tmcone96 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Arizona →

Other OB-GYNs in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All OB-GYNs in Tucson →

Other clinicians in TMC Medical Network

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972696706
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians