Quick answers
- Does Calixto Romero accept Medicare assignment?
- Yes. Medicare's clinician data says Calixto Romero 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 Calixto Romero see?
- In 2024, CMS data shows 133 Original Medicare patients and 234 services for Calixto Romero. This counts Original Medicare only and measures volume, not quality.
- What is Calixto Romero's NPI number?
- 1326507187. 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 Calixto Romero, 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 | 133 |
|---|---|
| Services billed to Medicare | 234 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Critical care, first 30-74 minutes (99291)128 services
- Emergency department visit with high level of medical decision making (99285)42 services
- Emergency department visit with moderate level of medical decision making (99284)17 services
- Emergency department visit with low level of medical decision making (99283)11 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 cholesterol69%
- Depression56%
- Arthritis53%
- Diabetes47%
- Chronic kidney disease47%
Hospitals where Calixto Romero works
Medicare's Facility Affiliation Data lists Calixto Romero 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.
- Baptist Health Medical Center-Little RockLittle Rock, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040114
- University of Arkansas Medical SciencesLittle Rock, AR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 040016
Practice locations
Addresses where Calixto Romero is enrolled with Medicare (CMS data updated October 2, 2026).
- 243 Elm StClaremont, NH 03743 (603) 542‑7771
- 300 Main StLewiston, ME 04240 (207) 795‑5646
- 4301 W Markam StLittle Rock, AR 72205 (501) 686‑8000
- 9601 Baptist Health DrLittle Rock, AR 72205 (501) 224‑1135
Group practices
Medicare enrollment lists Calixto Romero as a member of these groups (CMS data updated October 2, 2026).
- University of Arkansas for Medical Sciences1,175 clinicians in the group
- Arkansas Health Group659 clinicians in the group
- Bluewater Emergency Partners of Brunswick, LLC154 clinicians in the group
- Baptist Medcare Inc54 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Claremont
Clinicians with the same Medicare primary specialty in Claremont, NH — not a recommendation.
Other clinicians in University of Arkansas for Medical Sciences
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326507187 |
| 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