MICHAEL WOLLNER MD
NPI 1477588192
Hospitalist in Sugar Land, TX
About Michael Wollner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL WOLLNER MD (NPI 1477588192) is an individual hospitalist provider in Sugar Land, Texas, licensed in Texas (L3528) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of Baylor College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michael Wollner Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Michael Wollner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77478 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SUGAR LAND, TX 77478
SUGAR LAND, TX 77478
SUGAR LAND, TX 77478
SUGAR LAND, TX 77478
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Wollner's NPI number?
The NPI number for Michael Wollner is 1477588192. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Michael Wollner located?
Michael Wollner practices at 14023 Southwest Fwy, Sugar Land, TX 77478. The listed phone number is (281) 325-4100.
What is Michael Wollner's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Michael Wollner enrolled in Medicare?
Yes. Michael Wollner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Michael Wollner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Wollner reassigns Medicare benefits to Memorial Hermann Medical Group (Fulshear, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Wollner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Wollner accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and WellPoint list Michael Wollner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Wollner affiliated with any hospitals?
According to CMS data, Michael Wollner is affiliated with Memorial Hermann Hospital System.
When was this NPI record last updated?
The NPPES record for Michael Wollner was last updated on September 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Michael Wollner, MD · NPI 1477588192
Hospitalist physician in Sugar Land, Texas. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1477588192 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** L3528 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14023 SOUTHWEST FWY, Sugar Land, TX 77478
- **Phone:** (281) 325-4100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** September 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1477588192) · Data from the CMS NPPES public registry.