Quick answers
- Does Matthew Santiago accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew 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 Matthew Santiago see?
- In 2024, CMS data shows 194 Original Medicare patients and 569 services for Matthew Santiago. This counts Original Medicare only and measures volume, not quality.
- What is Matthew Santiago's NPI number?
- 1598019952. 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 Matthew 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 | 194 |
|---|---|
| Services billed to Medicare | 569 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)215 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)85 services
- Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance (27096)31 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)30 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 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%
- Arthritis75%
- Diabetes37%
- Ischemic heart disease36%
- Anxiety32%
Hospitals where Matthew Santiago works
Medicare's Facility Affiliation Data lists Matthew 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.
- Adena Fayette Medical CenterWashington CH, OH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 361331
- Adena Regional Medical CenterChillicothe, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360159
- Greenfield Area Medical CenterGreenfield, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361304
Practice locations
Addresses where Matthew Santiago is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 100 N Walnut StChillicothe, OH 45601 (740) 779‑4500
- 110 Vaugh Lane, Suite 20Chillicothe, OH 45601 (740) 779‑7201
- 12340 State Route 104Waverly, OH 45690 (740) 941‑5180
- 272 Hospital RdChillicothe, OH 45601
- 455 N Shawnee LaneChillicothe, OH 45601 (740) 779‑4888
Group practices
Medicare enrollment lists Matthew Santiago as a member of this group (CMS data updated October 2, 2026).
- Adena Medical Group LLC386 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Ohio →
Other rehabilitation doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Adena Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598019952 |
| 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