NPPES file of Aug 9, 2026

Catelyn Rose Knowlton, FNP-C

Family Nurse Practitioner · La Marque, TX

Catelyn Rose Knowlton, FNP-C is a family nurse practitioner with a practice address in La Marque, Texas, and NPI 1154831956, issued on Oct 5, 2017. Check the license (Texas AP135331, as entered in NPPES) with the Texas board that licenses this profession; 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
1154831956
Name
Catelyn Rose Knowlton
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP135331 TX
Self-reported in NPPES; status is on the state search
Practice location
2600 FM 1764 RD Ste 190, La Marque, TX 77568
Phone
(281) 886-8964
Enumerated
Oct 5, 2017
Record last updated
Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(409) 440-8071
Medicare enrollment
Enrolled (PECOS I20171218003379); 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 2600 FM 1764 RD Ste 190

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

  1. Abigail Bessire, NP-CFamily Nurse Practitioner1881203982
  2. Debreka Reed, FNPFamily Nurse Practitioner1437520111
  3. Katherine Shields, APRNNurse Practitioner1871281543
  4. Hollie Smith, FNP-CFamily Nurse Practitioner1164658522

Verify Catelyn Rose Knowlton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP135331    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
Find 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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74% fewer Medicare Part D claims than the average family nurse practitioner in 2024

335 Medicare Part D claims for 233 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Catelyn Knowlton335
  2. Specialty average1,305

Most prescribed

  1. Methylprednisolone30 claims
  2. Nitrofurantoin Mono-Macro30 claims
  3. Amoxicillin-Clavulanate Potass27 claims
  4. Doxycycline Hyclate26 claims
  5. Prednisone25 claims
  6. Azithromycin23 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.

Bills Medicare through one group practice

  1. Aic Urgent Care. PLLCAlvin, TX

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

7 family nurse practitioner records list a practice address in La Marque

They are 7 of the 78 NPPES records with a practice address in La Marque, and 21,242 family nurse practitioner records in Texas.

All 7 in La Marque → All 21,242 in Texas → Every provider in La Marque →

Other family nurse practitioner records in Texas

  1. Ashley Aaron, FNPWaco, TX1053821504
  2. Christina Aaron, FNPTexarkana, TX1457787426
  3. Lori Aaron, FNP-CFrisco, TX1619387974
  4. Lauren Aase, FNPSheppard Afb, TX1578550299
  5. Olivia AbabioCypress, TX1588171995
  6. Lilian Abagwe, NPWylie, TX1396215620
  7. Vivian Abaidoo, NP-CHouston, TX1760071971
  8. Zuniley Aballe-Hernandez, FNP-CHouston, TX1952054066
  9. Jorge Abalo Redden, FNPKaty, TX1932991122
  10. Jennifer Abalos, FNPPlano, TX1841452984

Common questions

What is Catelyn Rose Knowlton, FNP-C's NPI number?

Catelyn Rose Knowlton, FNP-C's National Provider Identifier (NPI) is 1154831956, issued on Oct 5, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Catelyn Rose Knowlton, FNP-C located?

The NPPES record lists a practice address at 2600 FM 1764 RD Ste 190, La Marque, TX, 77568. Phone: (281) 886-8964. Providers update this record themselves, so call before visiting.

How can I verify Catelyn Rose Knowlton, FNP-C's license?

NPPES lists Texas license number AP135331, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Catelyn Rose Knowlton, FNP-C prescribe under Medicare Part D?

In 2024, Catelyn Rose Knowlton, FNP-C had 335 Medicare Part D claims for 233 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.