Quick answers
- Does Catelyn R. Knowlton accept Medicare assignment?
- Yes. Medicare's clinician data says Catelyn R. Knowlton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Catelyn R. Knowlton see?
- In 2024, CMS data shows 158 Original Medicare patients and 747 services for Catelyn R. Knowlton. This counts Original Medicare only and measures volume, not quality.
- What is Catelyn R. Knowlton's NPI number?
- 1154831956. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Catelyn R. Knowlton, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 158 |
|---|---|
| Services billed to Medicare | 747 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)341 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)66 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Injection of drug or substance under skin or into muscle (96372)40 services
- Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (0241U)32 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Ischemic heart disease32%
- Diabetes23%
- Chronic kidney disease23%
Practice locations
Addresses where Catelyn R. Knowlton is enrolled with Medicare (CMS data updated October 2, 2026).
- 3128 S Hwy 35Alvin, TX 77511
Group practices
Medicare enrollment lists Catelyn R. Knowlton as a member of this group (CMS data updated October 2, 2026).
- Aic Urgent Care. PLLC16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Alvin
Clinicians with the same Medicare primary specialty in Alvin, TX — not a recommendation.
Other clinicians in Aic Urgent Care. PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154831956 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians