Quick answers
- Does Meryem M. Langenbach accept Medicare assignment?
- Yes. Medicare's clinician data says Meryem M. Langenbach 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 Meryem M. Langenbach see?
- In 2024, CMS data shows 923 Original Medicare patients and 1,975 services for Meryem M. Langenbach. This counts Original Medicare only and measures volume, not quality.
- What is Meryem M. Langenbach's NPI number?
- 1497994404. 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 Meryem M. Langenbach, 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 | 923 |
|---|---|
| Services billed to Medicare | 1,975 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)739 services
- Protein measurement, serum (84165)408 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)167 services
- Immunologic analysis technique on serum (immunofixation) (86334)147 services
- Protein measurement, body fluid (84166)122 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 cholesterol74%
- Arthritis52%
- Anxiety33%
- Chronic kidney disease33%
- Diabetes31%
Hospitals where Meryem M. Langenbach works
Medicare's Facility Affiliation Data lists Meryem M. Langenbach 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.
- Corewell Health Ludington HospitalLudington, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230110
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230021
- Memorial HealthcareOwosso, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230121
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
- Spectrum Health United HospitalGreenville, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230035
Practice locations
Addresses where Meryem M. Langenbach is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Michigan NE, Spectrum ButterworthGrand Rapids, MI 49503 (616) 267‑2660
- 1840 Wealthy SE, Spectrum BlodgettGrand Rapids, MI 49506 (616) 774‑7444
- 35 Michigan St NE, Spectrum Health Reg LaboratoryGrand Rapids, MI 49503 (616) 267‑2350
- 4068 Legend Woods Ln NEGrand Rapids, MI 49525 (616) 267‑2660
- 826 W King StOwosso, MI 48867 (616) 267‑2660
Group practices
Medicare enrollment lists Meryem M. Langenbach as a member of this group (CMS data updated October 2, 2026).
- Michigan Pathology Specialists PC32 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Michigan Pathology Specialists PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497994404 |
| 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