Quick answers
- Does Christina M. Guarin accept Medicare assignment?
- Yes. Medicare's clinician data says Christina M. Guarin 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 Christina M. Guarin see?
- In 2024, CMS data shows 111 Original Medicare patients and 198 services for Christina M. Guarin. This counts Original Medicare only and measures volume, not quality.
- What is Christina M. Guarin's NPI number?
- 1255004594. 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 Christina M. Guarin, 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 | 111 |
|---|---|
| Services billed to Medicare | 198 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)88 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)37 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 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 cholesterol72%
- Arthritis44%
- Ischemic heart disease41%
- Chronic kidney disease39%
- Diabetes34%
Hospitals where Christina M. Guarin works
Medicare's Facility Affiliation Data lists Christina M. Guarin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- UTMB Health League City Campus HospitalLeague City, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450018
Practice locations
Addresses where Christina M. Guarin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1005 Harborside Dr Fl, Suite 5Galveston, TX 77555 (409) 772‑6781
Group practices
Medicare enrollment lists Christina M. Guarin as a member of this group (CMS data updated October 2, 2026).
- UTMB Faculty Group Practice1,101 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Galveston
Clinicians with the same Medicare primary specialty in Galveston, TX — not a recommendation.
Other clinicians in UTMB Faculty Group Practice
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255004594 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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