William Brian Greiser, MD is a medicare enrolled "Emergency Medicine" physician in Trinidad, Colorado. His current practice location is
410 Benedicta Ave, Trinidad, Colorado. You can reach out to his office (for appointments etc.) via phone at
(800) 893-9698.
William Brian Greiser is licensed to practice in Colorado (license number 36079) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1720114408.
Physician's Profile
| Full Name | William Brian Greiser |
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| Gender | Male |
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| Speciality | Emergency Medicine |
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| Location | 410 Benedicta Ave, Trinidad, Colorado |
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| Accepts Medicare Assignments | Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs. |
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NPI Data:
- NPI Number: 1720114408
- Provider Enumeration Date: 02/26/2007
- Last Update Date: 07/08/2007
Medicare PECOS Information:
- PECOS PAC ID: 3971537853
- Enrollment ID: I20120507000621
Medical Identifiers
Medical identifiers for William Brian Greiser such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1720114408 | NPI | - | NPPES |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 207P00000X | Emergency Medicine | 36079 (Colorado) | Primary |
Medicare Reassignments
Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William Brian Greiser allows following entities to bill medicare on his behalf.
| Entity Name | Southeastern Emergency Physicians Llc |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1356379382
PECOS PAC ID: 2466364997
Enrollment ID: O20050302000285 |
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Medicare Part D Prescriber Enrollment
Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Brian Greiser is
enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.
Mailing Address and Practice Location
| Mailing Address | Practice Location Address |
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William Brian Greiser, MD
200 Corporate Blvd, Ste 201,
Lafayette, LA 70508-3870
Ph: () - | William Brian Greiser, MD
410 Benedicta Ave,
Trinidad, CO 81082-2005
Ph: (800) 893-9698 |
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