NPPES file of Aug 9, 2026

Geoffrey Cox, M.D.

Family Medicine Physician · Austin, TX

Geoffrey Cox, M.D. is a family medicine physician with a practice address in Austin, Texas, and NPI 1700849353, issued on Apr 6, 2006. Check the license (Texas K0697, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700849353
Name
Geoffrey Cox
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
K0697 TX
Self-reported in NPPES; status is on the state search
Practice location
8517 FM 1826 Bldg 2, Austin, TX 78737
Phone
(512) 416-0044
Enumerated
Apr 6, 2006
Record last updated
Jul 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(512) 462-9765
Medicaid ID
CH9300 TX
Medicare enrollment
Enrolled (PECOS I20100413000122); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1991
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 8517 FM 1826 Bldg 2

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

  1. Jeri Belyea, PACMedical Physician Assistant1639361397
  2. Pauline Martin, RN-CFNPFamily Nurse Practitioner1346387263
  3. Michael Russell, D.O.Family Medicine Physician1023336039
  4. Ashley Stiegler, M.D.Family Medicine Physician1083676126

Verify Geoffrey Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K0697
    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 Texas 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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67% more Medicare Part D claims than the average family medicine physician in 2024

5,935 Medicare Part D claims for 410 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 15 claims were for opioids.

  1. Geoffrey Cox5,935
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium342 claims
  2. Atorvastatin Calcium271 claims
  3. Levothyroxine Sodium230 claims
  4. Amlodipine Besylate209 claims
  5. Jardiance176 claims
  6. Tamsulosin Hcl168 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.

The MIPS final score for 2023 (Medicare payment program): 16.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%56.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,961.31

147 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Geoffrey Cox$2,961.31
  2. Specialty average$902.55

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. South Oaks Family Medicine, P.A.Austin, TX

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

Geoffrey Cox among 11,119 family medicine physician records in Texas

Geoffrey Cox, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1991 · median 2004 among the 7,095 with a school on file
  • Record last updated2019 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

544 family medicine physician records list a practice address in Austin

They are 544 of the 26,585 NPPES records with a practice address in Austin, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sangita Rahman, M.D.Austin, TX 787371457343428
  2. Michael Russell, D.O.Austin, TX 787371023336039
  3. Christopher Smith, MDAustin, TX 787371023024387
  4. Ashley Stiegler, M.D.Austin, TX 787371083676126
  5. Casey Clor, MDLakeway, TX 787381497761233
  6. Megan DeliberatoAustin, TX 787361942610308
  7. Ronald Dewitt, M.D.Lakeway, TX 787381275546269
  8. Kristyn Fagerberg, M.D.Bee Cave, TX 787381154332054

Common questions

What is Geoffrey Cox, M.D.'s NPI number?

Geoffrey Cox, M.D.'s National Provider Identifier (NPI) is 1700849353, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Geoffrey Cox, M.D. located?

The NPPES record lists a practice address at 8517 FM 1826 Bldg 2, Austin, TX, 78737. Phone: (512) 416-0044. Providers update this record themselves, so call before visiting.

How can I verify Geoffrey Cox, M.D.'s license?

NPPES lists Texas license number K0697, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Geoffrey Cox, M.D. prescribe under Medicare Part D?

In 2024, Geoffrey Cox, M.D. had 5,935 Medicare Part D claims for 410 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Geoffrey Cox, M.D.'s MIPS final score?

The 2023 MIPS final score is 16.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.