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Dr. Gregory A. Keifer is a general practice physician in Big Pine Key, Florida, practicing with David F Grider PA.
Marian University College of Osteopathic Medicine is where Dr. Keifer went to medical school, graduating in 2017.
David F Grider PA's Big Pine Key location at 29980 Overseas Hwy, Big Pine Key, FL 33043 is where Dr. Keifer sees patients — appointments by phone at (305) 872-3321. For Medicare patients: Dr. Keifer accepts assignment. Video (telehealth) appointments are listed as an option.
Dr. Keifer is affiliated with Fishermen's Community Hospital, Lower Keys Medical Center and Mariners Hospital.
Quick facts
- Specialty
- General practice physician
- Credentials
- DO
- Practice
- David F Grider PA
- Address
- 29980 Overseas Hwy, Big Pine Key, FL 33043
- Phone
- (305) 872-3321
- Medical school
- Marian University College of Osteopathic Medicine (2017)
- Hospital affiliations
- Fishermen's Community Hospital, Lower Keys Medical Center, Mariners Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1184127912
- FL license no.
- OS15605
Seen Dr. Keifer recently? Share how your visit went.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 636 people with traditional Medicare, average age 73
- Most common services billed to Medicare
- Insertion of needle into vein for collection of blood sample
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
- Urinalysis, manual test
- Procedures on Medicare Care Compare
- Removal or shaving of skin growth 52 procedures
- Removal of skin lesions 52 procedures
- Removal of tissue 1–10 procedures
- Melanoma (skin cancer) excision 1–10 procedures
- Hospital pages
- Fishermen's Community Hospital · Lower Keys Medical Center · Mariners Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing family doctors? See 3 in Big Pine Key or 9 across Florida Keys.
Other family doctors in Florida Keys
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Dr. Kurt C. Eppley, MDFamily Doctor · Baptist Health Medical Group Upper Keys LLCNo reviews yetMarathon, NY
Dr. Lavida J. Thomas Richardson, MDFamily Doctor · Baptist Health Medical Group Upper Keys LLCNo reviews yetMarathon, NY
Dr. Manuel B. Torres, MDFamily Doctor · The Medical Center at Ocean ReefNo reviews yetKey Largo, NY
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Frequently Asked Questions
With David F Grider PA, at 29980 Overseas Hwy, Big Pine Key, FL 33043.
Call the office at (305) 872-3321.
Yes — Dr. Keifer accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Fishermen's Community Hospital, Lower Keys Medical Center and Mariners Hospital.
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