Quick answers
- Does Matthew Kohlnhofer accept Medicare assignment?
- Medicare's clinician data says Matthew Kohlnhofer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Matthew Kohlnhofer see?
- In 2024, CMS data shows 521 Original Medicare patients and 1,584 services for Matthew Kohlnhofer. This counts Original Medicare only and measures volume, not quality.
- What is Matthew Kohlnhofer's NPI number?
- 1922392778. 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 Kohlnhofer, 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 | 521 |
|---|---|
| Services billed to Medicare | 1,584 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)888 services
- Hospital discharge day management, more than 30 minutes (99239)352 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)171 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)149 services
- Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes (99236)15 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%
- Arthritis64%
- Ischemic heart disease60%
- Chronic kidney disease54%
- Heart failure52%
Hospitals where Matthew Kohlnhofer works
Medicare's Facility Affiliation Data lists Matthew Kohlnhofer 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.
- Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450709
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450358
Practice locations
Addresses where Matthew Kohlnhofer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 110 E Medical Ctr BlvdWebster, TX 77598 (281) 332‑3001
- 11800 Astoria BlvdHouston, TX 77089 (281) 332‑3001
- 18300 Houston Methodist DrHouston, TX 77058 (281) 332‑3001
- 18333 Egret Bay Blvd, Suite 140Houston, TX 77058 (281) 332‑3001
- 200 Blossom StWebster, TX 77598 (281) 332‑3001
Group practices
Medicare enrollment lists Matthew Kohlnhofer as a member of this group (CMS data updated October 2, 2026).
- Xpertmd39 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Webster
Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.
Other clinicians in Xpertmd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1922392778 |
| 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