Quick answers
- Does Isabella Guajardo accept Medicare assignment?
- Yes. Medicare's clinician data says Isabella Guajardo 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 Isabella Guajardo see?
- In 2024, CMS data shows 99 Original Medicare patients and 292 services for Isabella Guajardo. This counts Original Medicare only and measures volume, not quality.
- What is Isabella Guajardo's NPI number?
- 1811550742. 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 Isabella Guajardo, 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 | 99 |
|---|---|
| Services billed to Medicare | 292 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of skin and tissue, 20.0 sq cm or less (11042)50 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)22 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)19 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)18 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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 cholesterol64%
- Arthritis48%
- Ischemic heart disease42%
- Diabetes38%
- Atrial fibrillation31%
Hospitals where Isabella Guajardo works
Medicare's Facility Affiliation Data lists Isabella Guajardo 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.
- Baxter HealthMountain Home, AR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 040027
Practice locations
Addresses where Isabella Guajardo is enrolled with Medicare (CMS data updated October 2, 2026).
- 673 N Main St, Suite DSalem, AR 72578 (870) 425‑9120
- 901 Burnett DrMountain Home, AR 72653 (870) 425‑9120
Group practices
Medicare enrollment lists Isabella Guajardo as a member of this group (CMS data updated October 2, 2026).
- Ozark Surgical Group9 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Salem
Clinicians with the same Medicare primary specialty in Salem, AR — not a recommendation.
Other clinicians in Ozark Surgical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811550742 |
| 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