Quick answers
- Does Katharine E. McNamara accept Medicare assignment?
- Yes. Medicare's clinician data says Katharine E. McNamara 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 Katharine E. McNamara see?
- In 2024, CMS data shows 330 Original Medicare patients and 4,999 services for Katharine E. McNamara. This counts Original Medicare only and measures volume, not quality.
- What is Katharine E. McNamara's NPI number?
- 1558621334. 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 Katharine E. McNamara, 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 | 330 |
|---|---|
| Services billed to Medicare | 4,999 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,357 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)1,290 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)405 services
- Injection, methylprednisolone sodium succinate, 5 mg (J2919)302 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)257 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%
- Arthritis45%
- Diabetes25%
- Chronic kidney disease24%
- Ischemic heart disease22%
Practice locations
Addresses where Katharine E. McNamara is enrolled with Medicare (CMS data updated October 2, 2026).
- 1121 Hwy 35 NRockport, TX 78382 (361) 221‑1945
- 1711 W Wheeler, Suite 3Aransas Pass, TX 78336 (361) 758‑1599
Group practices
Medicare enrollment lists Katharine E. McNamara as a member of these groups (CMS data updated October 2, 2026).
- Internal Medicine Associates5 clinicians in the group
- Aransas Internal and Family Medicine PLLC4 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Rockport
Clinicians with the same Medicare primary specialty in Rockport, TX — not a recommendation.
Other clinicians in Internal Medicine Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Western University Of Health Sciences College Of Dental Med |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558621334 |
| 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