NPPES file of Aug 9, 2026

Claudia Knox, MD

Internal Medicine Physician · Jacksonville, FL

Claudia Knox, MD is an internal medicine physician with a practice address in Jacksonville, Florida, and NPI 1639596752, issued on Mar 26, 2014. Check the license (Florida 134482, as entered in NPPES) on the Florida health license search; 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
1639596752
Name
Claudia Knox
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
134482 FL
60481 CT
274889 MA
Self-reported in NPPES; status is on the state search
Practice location
13720 Old Saint Augustine RD Ste 1, Jacksonville, FL 32258
Phone
(904) 288-5550
Enumerated
Mar 26, 2014
Record last updated
Sep 8, 2022
Fax
(904) 390-7453
Medicare enrollment
Enrolled (PECOS I20211221001395); accepts Medicare assignment
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 13720 Old Saint Augustine RD Ste 1

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

  1. Jessica Kirkey, APRNNurse Practitioner1871301010
  2. Tessa Ricci, MDFamily Medicine Physician1225006547
  3. Joshua Russell, DOFamily Medicine Physician1396236469
  4. Aristides Sastre, MDFamily Medicine Physician1689818494
  5. Carly Strickland, APRNNurse Practitioner1285807578

Verify Claudia Knox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 134482
    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 Florida 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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47% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,685 Medicare Part D claims for 160 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Claudia Knox1,685
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium170 claims
  2. Amlodipine Besylate106 claims
  3. Levothyroxine Sodium104 claims
  4. Lisinopril94 claims
  5. Rosuvastatin Calcium81 claims
  6. Omeprazole60 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): 91.6 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 score77.6
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $558.86

27 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Claudia Knox$558.86
  2. Specialty average$1,303.06

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. Baptist Primary Care IncJacksonville, FL

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

Claudia Knox among 10,151 internal medicine physician records in Florida

Claudia Knox, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 68% of them.

  • NPI issued2014 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2014 · median 2004 among the 6,606 with a school on file
  • Record last updated2022 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

546 internal medicine physician records list a practice address in Jacksonville

They are 546 of the 24,194 NPPES records with a practice address in Jacksonville, and 10,151 internal medicine physician records in Florida.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jesus Manuel Arcenas, MDJacksonville, FL 322581144227802
  2. Rasheed Awan, D.O.Jacksonville, FL 322581326022948
  3. Jose Bird-JimenezJacksonville, FL 322581871979732
  4. Xavier Blanco Criado, MDJacksonville, FL 322581710482906
  5. Erika Dickinson, MDJacksonville, FL 322581144858911
  6. Rajesh Gopal, M.D.Jacksonville, FL 322581003878869
  7. Ravi Kancha, MDJacksonville, FL 322581982730214
  8. Sherry King, M.D.Jacksonville, FL 322581811082019

Common questions

What is Claudia Knox, MD's NPI number?

Claudia Knox, MD's National Provider Identifier (NPI) is 1639596752, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Knox, MD located?

The NPPES record lists a practice address at 13720 Old Saint Augustine RD Ste 1, Jacksonville, FL, 32258. Phone: (904) 288-5550. Providers update this record themselves, so call before visiting.

How can I verify Claudia Knox, MD's license?

NPPES lists Florida license number 134482, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Claudia Knox, MD prescribe under Medicare Part D?

In 2024, Claudia Knox, MD had 1,685 Medicare Part D claims for 160 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Claudia Knox, MD's MIPS final score?

The 2023 MIPS final score is 91.6 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.