Margaret Merriam, DO
Individual provider Active NPI Surgery Physician · Andrews, TX
NPI 1083867147 · NPPES record last updated Nov 11, 2025
Key facts
- NPI
- 1083867147
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Surgery Physician 208600000X
- License
- Q1225 (TX)
- Practice address
- 700 Hospital Dr
Andrews, TX 79714-3638 - Phone
- (432) 523-6624
- Fax
- (432) 524-1129
- NPI assigned
- Nov 2, 2008
- Sex
- Female
- Sole proprietor
- Yes
Organizations & group practices 9
Hospital & facility affiliations 1
Medicare Care Compare profile
- Specialty
- General Surgery
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Permian Physician Services
Practice addresses (Care Compare)
704 Hospital Dr
Andrews, TX 79714-3617
Phone (432) 464-2165
Hospital & facility affiliations
- Permian Regional Medical Center Andrews County Ho
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Mastectomy | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
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: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20170310000654 | TX | Practitioner - General Surgery | 8123342078 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Osteopathy, Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Andrews County Hospital District | Current | Accepting new patients | |
| Andrews County Hospital District | Past | Accepting new patients | |
| Andrews County Hospital District | Past | Accepting new patients | |
| Andrews County Hospital District | Past | Accepting new patients | |
| Andrews County Hospital District | Past | Accepting new patients | |
| Lourdes Medical Associates, PA | Surgery | Past | Accepting new patients |
| Andrews County Hospital District | Past | Accepting new patients | |
| Andrews County Hospital District | Past | Accepting new patients |
Locations
704 Hospital Dr
Andrews, TX 79714
Phone (432) 464-2165
700 Hospital Dr
Ste Rhc
Andrews, TX 79714
700 Hospital Dr
Andrews, TX 79714
Phone (432) 523-6624
Interoperability endpoints
- mmerriam@permian.medalliesdirect.net
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | Q1225 | TX | Yes |
Addresses
Primary practice location
700 Hospital Dr
Andrews, TX 79714-3638
Mailing address
700 Hospital Dr
Andrews, TX 79714-3638
Phone (432) 523-6624
Other providers in Andrews, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Nov 11, 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.