Quick answers
- Does Mary A. Ludvigsen accept Medicare assignment?
- Yes. Medicare's clinician data says Mary A. Ludvigsen 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 Mary A. Ludvigsen see?
- In 2024, CMS data shows 53 Original Medicare patients and 87 services for Mary A. Ludvigsen. This counts Original Medicare only and measures volume, not quality.
- What is Mary A. Ludvigsen's NPI number?
- 1194740514. 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 Mary A. Ludvigsen, 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 | 53 |
|---|---|
| Services billed to Medicare | 87 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)25 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 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 cholesterol72%
- High blood pressure57%
- Arthritis32%
- Anxiety30%
- Depression25%
- Diabetes21%
Practice locations
Addresses where Mary A. Ludvigsen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 13448 Cicero AveCrestwood, IL 60418 (708) 682‑3384
- 25 Columbia Ave EBattle Creek, MI 49015 (269) 425‑3017
- 26 Bolivar DrBradford, PA 16701 (814) 817‑4690
- 446 Fairview Ave, Suite 200Hudson, NY 12534 (518) 267‑3496
- 505 W Cleveland RdMishawaka, IN 46545 (574) 235‑3135
Group practices
Medicare enrollment lists Mary A. Ludvigsen as a member of these groups (CMS data updated October 2, 2026).
- Wellnow Urgent Care, P.C.392 clinicians in the group
- Physicians Immediate Care North Chicago LLC257 clinicians in the group
- Pic Indiana PC140 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Crestwood
Clinicians with the same Medicare primary specialty in Crestwood, IL — not a recommendation.
Other clinicians in Wellnow Urgent Care, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194740514 |
| 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
- 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