Gregory A Keifer, DO
Gregory a Keifer, DO specializes in general practice, serving patients in Big Pine Key, FL in independent practice. Trained at Marian University College of Osteopathic Medicine (class of 2017), he has been practicing for over 9 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Uses generic medications more than 79% of reporting doctors in Florida
- Virtual visits available — no app or travel required
Older · 463dNPPES updated 2025-01-28 · verify on CMS
Contact & Location
Practice Location
29980 Overseas Hwy, Big Pine Key, FL 33043-3362
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
20235.97/100
Florida avg: 82.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-77.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better13.28%
Florida avg: 3.8 · US avg: 5.1
⚠ Lower than most doctors nationally(+8.2 pts)
13.28% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better92%
Florida avg: 83.2 · US avg: 82.8
✓ Higher than most doctors nationally(+9.2 pts)
Better than 79% of reporting doctors in FloridaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
598
Unique beneficiaries
High volumePrescription Recipients
310
Patients prescribed
Prescriptions Written
2,704
Total claims
Total Medicare drug cost: $206k
Percentile rankings compared against 5,053 reporting peers in Florida.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-2%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-4%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$37 received from industry
2 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Gregory a Keifer's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2017
Marian University College of Osteopathic Medicine
Board certified · Jan 27, 2025
CMS-verified certification date
9 years in practice
Established
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Taxonomy: 208D00000X
Education & Training
Marian University College of Osteopathic Medicine (Class of 2017)
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 511314
View hospital on Medicare Care CompareVirtual General Practice Care With Gregory a Keifer
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gregory a Keifer for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Big Pine Key required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Gregory a Keifer
NPI records show Dr. Keifer as active with telehealth listed in Big Pine Key, FL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (305) 872-3321.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Gregory a Keifer
Practice Location
29980 Overseas Hwy, Big Pine Key, FL 33043-3362
Mailing Address
29980 Overseas Hwy, Big Pine Key, FL 33043-3362
This is a provider directory. Contact the office directly to schedule appointments.
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