Quick answers
- Does Carlos G. Fernandez accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos G. Fernandez 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 Carlos G. Fernandez see?
- In 2024, CMS data shows 741 Original Medicare patients and 1,162 services for Carlos G. Fernandez. This counts Original Medicare only and measures volume, not quality.
- What is Carlos G. Fernandez's NPI number?
- 1356561484. 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 Carlos G. Fernandez, 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 | 741 |
|---|---|
| Services billed to Medicare | 1,162 |
| Different services or procedures | 78 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)244 services
- Ultrasound study of arm and leg arteries (93922)97 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)83 services
- Ultrasound of both sides of head and neck blood flow (93880)70 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)60 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%
- Ischemic heart disease54%
- Arthritis53%
- Diabetes43%
- Chronic kidney disease39%
Hospitals where Carlos G. Fernandez works
Medicare's Facility Affiliation Data lists Carlos G. Fernandez 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.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230230
- Memorial HealthcareOwosso, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230121
- University of Michigan Health - Sparrow EatonCharlotte, MI · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 231327
- University of Michigan Health- Sparrow ClintonSaint Johns, MI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 231326
- University of Michigan Health-Sparrow CarsonCarson City, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230208
Practice locations
Addresses where Carlos G. Fernandez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1140 E Michigan Ave, 400 Sparrow TciLansing, MI 48912 (517) 364‑9650
- 321 E Harris St, University of Michigan Health SparrCharlotte, MI 48813 (517) 543‑1050
- 800 W Lawrence Ave, University of Michigan Health SparrowCharlotte, MI 48813 (517) 364‑9650
Group practices
Medicare enrollment lists Carlos G. Fernandez as a member of these groups (CMS data updated October 2, 2026).
- Edward W Sparrow Hospital Association730 clinicians in the group
- Sparrow Eaton Hospital44 clinicians in the group
Specialties
Other interventional cardiologists in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Other clinicians in Edward W Sparrow Hospital Association
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356561484 |
| 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