NPPES file of Aug 9, 2026

Katherine Briggs Farias, M.D.

Obstetrics & Gynecology Physician · Tucson, AZ

Katherine Briggs Farias, M.D. is an obstetrics & gynecology physician with a practice address in Tucson, Arizona, and NPI 1972696706, issued on Oct 2, 2006. Check the license (Arizona 35919, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972696706
Name
Katherine Briggs Farias
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
35919 AZ
Self-reported in NPPES; status is on the state search
Practice location
5550 E Hampton St, Tucson, AZ 85712
Phone
(520) 420-2260
Enumerated
Oct 2, 2006
Record last updated
Jun 18, 2024
Fax
(520) 420-2261
Medicare enrollment
Enrolled (PECOS I20070330000178); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5550 E Hampton St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Addis, MDGynecology Physician1780658120
  2. Catherine Brainard, MDObstetrics & Gynecology Physician1912973744
  3. Judy Chen, M.D.Obstetrics & Gynecology Physician1659531044
  4. Alicia Christensen, MDObstetrics & Gynecology Physician1457000820
  5. Zohreh Kazemi-Dunn, MDObstetrics & Gynecology Physician1982678322
  6. Walter Patton, MDGynecology Physician1568436913

Verify Katherine Briggs Farias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 35919
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

238 Medicare Part D claims for 95 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Katherine Farias238
  2. Specialty average165

Most prescribed

  1. Estradiol68 claims
  2. Estradiol (Twice Weekly)18 claims
  3. Oxybutynin Chloride Er14 claims
  4. Medroxyprogesterone Acetate13 claims
  5. Citalopram Hbr11 claims
  6. Misoprostol11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $149.12

4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Farias$149.12
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Tmc Medical NetworkTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Briggs Farias among 803 obstetrics & gynecology physician records in Arizona

Katherine Briggs Farias, M.D. is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2006 · median 2005 among the 477 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Maryam Beheshti, MDTucson, AZ 857121760470595
  2. Catherine Brainard, MDTucson, AZ 857121912973744
  3. Gayle Dean, MDTucson, AZ 857121174547939
  4. Barry Gershweir, MDTucson, AZ 857121427151091
  5. Cynthia Goldberg, MDTucson, AZ 857121942298781
  6. Pamela Golden, M.D.Tucson, AZ 857121417953639
  7. Laurene Goll, MDTucson, AZ 857121043278732
  8. Nicole Hook, MDTucson, AZ 857121750379590

Common questions

What is Katherine Briggs Farias, M.D.'s NPI number?

Katherine Briggs Farias, M.D.'s National Provider Identifier (NPI) is 1972696706, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Briggs Farias, M.D. located?

The NPPES record lists a practice address at 5550 E Hampton St, Tucson, AZ, 85712. Phone: (520) 420-2260. Providers update this record themselves, so call before visiting.

How can I verify Katherine Briggs Farias, M.D.'s license?

NPPES lists Arizona license number 35919, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Briggs Farias, M.D. prescribe under Medicare Part D?

In 2024, Katherine Briggs Farias, M.D. had 238 Medicare Part D claims for 95 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.