Quick answers
- Does Angelo M. Santiago accept Medicare assignment?
- Yes. Medicare's clinician data says Angelo M. Santiago 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 Angelo M. Santiago see?
- In 2024, CMS data shows 762 Original Medicare patients and 155,143 services for Angelo M. Santiago. This counts Original Medicare only and measures volume, not quality.
- What is Angelo M. Santiago's NPI number?
- 1598792483. 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 Angelo M. Santiago, 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 | 762 |
|---|---|
| Services billed to Medicare | 155,143 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Injection, lecanemab-irmb, 1 mg (J0174)101,000 services
- Injection, ocrelizumab, 1 mg (J2350)16,200 services
- Injection, methylprednisolone sodium succinate, 5 mg (J2919)11,950 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)531 services
- Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)377 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 pressure64%
- Arthritis60%
- High cholesterol45%
- Diabetes25%
- Depression25%
- Anxiety24%
Hospitals where Angelo M. Santiago works
Medicare's Facility Affiliation Data lists Angelo M. Santiago 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.
- Campbell County HealthGillette, WY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 530002
- Hot Springs County Memorial HospitalThermopolis, WY · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 531304
- Memorial Hospital of Converse CountyDouglas, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531302
- Platte County HospitalWheatland, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531305
- Sagewest Health CareRiverton, WY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 530008
Practice locations
Addresses where Angelo M. Santiago is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 S 5th StDouglas, WY 82633 (307) 358‑2122
- 148 E Arapahoe StThermopolis, WY 82443 (307) 864‑2146
- 5820 E 2nd StCasper, WY 82609 (307) 265‑4626
- 6500 E 2nd StCasper, WY 82609 (307) 577‑5100
Group practices
Medicare enrollment lists Angelo M. Santiago as a member of these groups (CMS data updated October 2, 2026).
- Memorial Hospital of Converse County74 clinicians in the group
- William H and Carrie Gottsche Foundation71 clinicians in the group
- Summit Memorial Medical Group LLC39 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Wyoming
Clinicians with the same Medicare primary specialty in Wyoming — not a recommendation.
Other clinicians in Memorial Hospital of Converse County
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598792483 |
| 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