Quick answers
- Does Douglas Filipov accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas Filipov 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 Douglas Filipov see?
- In 2024, CMS data shows 384 Original Medicare patients and 755 services for Douglas Filipov. This counts Original Medicare only and measures volume, not quality.
- What is Douglas Filipov's NPI number?
- 1992855175. 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 Douglas Filipov, 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 | 384 |
|---|---|
| Services billed to Medicare | 755 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)283 services
- Emergency department visit with moderate level of medical decision making (99284)140 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)63 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)52 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)44 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%
- Arthritis52%
- Ischemic heart disease47%
- Chronic kidney disease47%
- Heart failure39%
Hospitals where Douglas Filipov works
Medicare's Facility Affiliation Data lists Douglas Filipov 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.
- HSHS Good Shepherd Hospital IncShelbyville, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141354
- MC Donough District HospitalMacomb, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140089
- Mount Grant General HospitalHawthorne, NV · Critical Access Hospital · Emergency services: listed by Medicare · CCN 291300
- St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
Practice locations
Addresses where Douglas Filipov is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Saint Anthonys WayAlton, IL 62002 (618) 465‑2571
- 1 Saint Elizabeth BlvdO Fallon, IL 62269 (618) 234‑2120
- 200 S A StHawthorne, NV 89415 (775) 945‑2461
- 200 S Cedar StShelbyville, IL 62565 (217) 774‑3961
- 525 E Grant StMacomb, IL 61455 (309) 833‑4101
Group practices
Medicare enrollment lists Douglas Filipov as a member of these groups (CMS data updated October 2, 2026).
- Cepamerica Illinois LLP499 clinicians in the group
- Cep America-Illinois Hospitalists, LLP196 clinicians in the group
- Central Prairie Physicians PLLC25 clinicians in the group
- Mt Grant General Hospital15 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Other clinicians in Cepamerica Illinois LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992855175 |
| 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