Dr Gregory A Keifer, DO is a medicare enrolled "General Practice" physician in Big Pine Key, Florida. He went to Marian University College Of Osteopathic Medicine and graduated in 2017 and has 9 years of diverse experience with area of expertise as General Practice. He is a member of the group practice David F Grider Pa and his current practice location is
29980 Overseas Hwy, Big Pine Key, Florida. You can reach out to his office (for appointments etc.) via phone at
(305) 872-3321.
Dr Gregory A Keifer is licensed to practice in Florida (license number OS15605) and he also participates in the medicare program. He
accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1184127912.
Physician's Profile
| Full Name | Dr Gregory A Keifer |
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| Gender | Male |
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| Speciality | General Practice |
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| Experience | 9 Years |
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| Location | 29980 Overseas Hwy, Big Pine Key, Florida |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Gregory A Keifer attended and graduated from Marian University College Of Osteopathic Medicine in 2017
NPI Data:
- NPI Number: 1184127912
- Provider Enumeration Date: 03/18/2018
- Last Update Date: 01/28/2025
Medicare PECOS Information:
- PECOS PAC ID: 2668716721
- Enrollment ID: I20221026000005
Medical Identifiers
Medical identifiers for Dr Gregory A Keifer such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1184127912 | NPI | - | NPPES |
| OS15605 | Other | FL | STATE MEDICAL LICENSE |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 208D00000X | General Practice | OS15605 (Florida) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
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| David F Grider Pa | 4880714583 | 2 |
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. Dr Gregory A Keifer allows following entities to bill medicare on his behalf.
| Entity Name | David F Grider Pa |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1033375530
PECOS PAC ID: 4880714583
Enrollment ID: O20110303000199 |
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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. Dr Gregory A Keifer 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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Dr Gregory A Keifer, DO
29980 Overseas Hwy,
Big Pine Key, FL 33043-3362
Ph: (305) 872-3321 | Dr Gregory A Keifer, DO
29980 Overseas Hwy,
Big Pine Key, FL 33043-3362
Ph: (305) 872-3321 |
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