NPPES file of Aug 9, 2026

Paul C. Nader, MD

Nephrology Physician · Austin, TX

Paul C. Nader, MD is a nephrology physician with a practice address in Austin, Texas, and NPI 1164407102, issued on Dec 13, 2005. Check the license (Texas F9867, 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
1164407102
Name
Paul C. Nader
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
F9867 TX
Self-reported in NPPES; status is on the state search
Practice location
4100 Duval Road, Austin, TX 78759
Phone
(512) 832-0999
Enumerated
Dec 13, 2005
Record last updated
Jul 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(512) 832-6094
Medicaid ID
124695108 TX
Medicare enrollment
Enrolled (PECOS I20100527000730); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 1981
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 4100 Duval Road

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

  1. Charlotte Bellis, LICENSED MIDWIFEMidwife1982998928
  2. Samantha Evans, RN, CNMAdvanced Practice Midwife1225334527
  3. Cathryn Garnett, FNPFamily Nurse Practitioner1417041401
  4. Heather Harper, RN, CLE, CBCLactation Consultant (Registered Nurse)1316237027
  5. Kevin Stephens, MDFamily Medicine Physician1255414314

Verify Paul C. Nader in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F9867
    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

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41% fewer Medicare Part D claims than the average nephrology physician in 2024

867 Medicare Part D claims for 131 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Paul Nader867
  2. Specialty average1,465

Most prescribed

  1. Spironolactone95 claims
  2. Losartan Potassium85 claims
  3. Furosemide83 claims
  4. Amlodipine Besylate65 claims
  5. Chlorthalidone47 claims
  6. Calcitriol40 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 practice group's MIPS final score for 2023 (Medicare payment program): 72.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score61.3
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $36.62

1 payment: food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paul Nader$36.62
  2. Specialty average$3,091.37

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. Austin Kidney Associates PAAustin, TX

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

Paul C. Nader among 1,159 nephrology physician records in Texas

Paul C. Nader, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1981 · median 2001 among the 954 with a school on file
  • Record last updated2015 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Texas

There are 1,159 nephrology physician records in Texas.

The 8 nephrology physician records with the nearest ZIP codes

  1. Monica Guzman-Limon, MDAustin, TX 787591659691368
  2. Krzysztof Lyson, MDAustin, TX 787591376586073
  3. David VadalaAustin, TX 787591740776897
  4. Byron Welch, MDAustin, TX 787591013950062
  5. Sonali Birewar, MDAustin, TX 787581043310352
  6. Margaret Cook, MDAustin, TX 787581932174299
  7. Manoj Das, MDAustin, TX 787581174873988
  8. Harry Goss, MDAustin, TX 787581508832437

Common questions

What is Paul C. Nader, MD's NPI number?

Paul C. Nader, MD's National Provider Identifier (NPI) is 1164407102, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Paul C. Nader, MD located?

The NPPES record lists a practice address at 4100 Duval Road, Austin, TX, 78759. Phone: (512) 832-0999. Providers update this record themselves, so call before visiting.

How can I verify Paul C. Nader, MD's license?

NPPES lists Texas license number F9867, 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 Paul C. Nader, MD prescribe under Medicare Part D?

In 2024, Paul C. Nader, MD had 867 Medicare Part D claims for 131 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Paul C. Nader, MD's MIPS final score?

The 2023 MIPS final score is 72.5 of 100, reported for the practice group. 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.