Mark Dwayne Asmussen, P.A.
Individual provider Active NPI Physician Assistant · Brenham, TX
NPI 1134427602 · NPPES record last updated Sep 8, 2025
Key facts
- NPI
- 1134427602
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Physician Assistant 363A00000X
- License
- PA07059 (TX)
- Practice address
- 600 N Park St
Brenham, TX 77833-2610 - Phone
- (979) 836-6153
- Fax
- (979) 277-9074
- NPI assigned
- Mar 8, 2011
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 13
Hospital & facility affiliations 1
Medicare Care Compare profile
- Specialty
- Physician Assistant
- Education
- Other, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- TMH Physician Associates PLLC
Houston Methodist Specialty Physicians
Practice addresses (Care Compare)
Houston, TX 77070
Phone (281) 737-0899
18220 State Hwy 249
Houston, TX 77070-4347
Phone (281) 737-8300
6445 Main St
Suite 2500
Houston, TX 77030-1502
Phone (713) 441-3150
7575 San Felipe St
Suite 155
Houston, TX 77063-1777
Phone (713) 266-9955
Hospital & facility affiliations
- Houston Methodist Cypress Hospital
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20110606000262 | TX | Practitioner - Physician Assistant | 6709063456 | Reassigns benefits to 3 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA07059 | TX | MD | Surgical Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regional Employee Assistance Program Inc | Current | Accepting new patients | |
| TMH Physician Associates PLLC | Current |
Accepting new patients | |
| TMH Physician Associates PLLC | Current |
Accepting new patients | |
| Houston Methodist Specialty Physicians | Current |
Accepting new patients | |
| College Station RHC Company LLC | Past | Accepting new patients | |
| Wound Care Center of Houston Inc | Past | Accepting new patients |
Locations
24518 Northwest Fwy
Ste 525
Cypress, TX 77429
7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955
Interoperability endpoints
- masmussen421361@direct.sw.org
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA07059 | TX | Yes |
| Surgical Physician Assistant | 363AS0400X | PA07059 | TX |
Addresses
Primary practice location
600 N Park St
Brenham, TX 77833-2610
Mailing address
PO Box 844658
Dallas, TX 75284-4658
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| PA07059 | Other | TX | TEXAS STATE LICENSE |
| 309349401 | Medicaid | TX |
Other providers in Brenham, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 8, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.