Mark R. Lloyd
Experienced in Osteoarthritis

Dr. Mark R. Lloyd

Family Medicine
Geisinger Health System
Geisinger Lewisburg
250 Reitz Boulevard, 
Lewisburg, PA 
Accepting New Patients
Offers Telehealth

Experienced in Osteoarthritis
Geisinger Health System
Geisinger Lewisburg
250 Reitz Boulevard, 
Lewisburg, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Lloyd is a board-certified physician specializing in family medicine. He attended the Philadelphia College of Osteopathic Medicine, where he earned his medical degree. He completed his residency at University of North Carolina Hospitals. Dr. Lloyd is certified by the American Board of Family Medicine.

Dr. Lloyd is rated as an Experienced provider by MediFind in the treatment of Osteoarthritis. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Glossitis, and Pernicious Anemia.

His clinical research consists of co-authoring 14 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Philadelphia College Of Osteopathic Medicine, 2004 - Doctor Of Osteopathic Medicine
Residency
University of North Carolina Hospitals, 2007
Specialties
Family Medicine
Licenses
Family Medicine in PA
Board Certifications
The American Board Of Family Medicine
Hospital Affiliations
Geisinger Medical Center
Wellspan Evangelical Community Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetLife
  • PPO
Moda Health
  • EPO
  • PPO
MVP Health
  • EPO
  • PPO
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 21 Less Insurance Carriers -

Locations

Geisinger Lewisburg
250 Reitz Boulevard, Lewisburg, PA 17837
Call: 570-523-0055
Other Locations
Geisinger Lewisburg - Community Medicine
250 Reitz Boulevard, Lewisburg, PA 17837
Call: 866-833-5810

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


14 Total Publications

Unusual Presentation of Giant Cell Arteritis With Localised Temporal Artery Aneurysm.
Unusual Presentation of Giant Cell Arteritis With Localised Temporal Artery Aneurysm.
Journal: Cureus
Published: October 28, 2025
View All 14 Publications
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James Patterson is a primary care provider, practicing in Family Medicine in Lewisburg, Pennsylvania. Dr. Patterson is rated as an Advanced provider by MediFind in the treatment of Osteoarthritis. His top areas of expertise are High Cholesterol, Osteoarthritis, Richter Syndrome, and Chronic B-Cell Leukemia (CBCL).

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Family Medicine
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 (49.9 miles away)
717-272-4421
Experience:
44+ years
Languages Spoken:
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Jeffrey Yocum is a primary care provider, practicing in Family Medicine in Lebanon, Pennsylvania. Dr. Yocum has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Osteoarthritis. His top areas of expertise are Osteoarthritis, Wolcott Rallison Syndrome, Maturity Onset Diabetes of the Young, and Sitosterolemia.

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Williamsport, PA 
 (26.7 miles away)
272-289-9762
Languages Spoken:
English
See accepted insurances
Accepting New Patients
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Michelle Cavanaugh, MD, specializes in family medicine and is certified by the American Board of Family Medicine. She is affiliated with UPMC Williamsport. She completed her medical degree at Penn State College of Medicine - Hershey. Dr. Cavanaugh is rated as an Advanced provider by MediFind in the treatment of Osteoarthritis. Her top areas of expertise are Hyperlipidemia Type 3, Osteoarthritis, Urinary Tract Infection in Children, and Kidney Stones.

VIEW MORE OSTEOARTHRITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Lloyd's expertise for a condition
ConditionClose
      • Advanced
      • Maturity Onset Diabetes of the Young
        Dr. Lloyd is
        Advanced
        . Learn about Maturity Onset Diabetes of the Young.
        See more Maturity Onset Diabetes of the Young experts
      • Type 2 Diabetes (T2D)
        Dr. Lloyd is
        Advanced
        . Learn about Type 2 Diabetes (T2D).
        See more Type 2 Diabetes (T2D) experts
      • Experienced
      • Acute Cystitis
        Dr. Lloyd is
        Experienced
        . Learn about Acute Cystitis.
        See more Acute Cystitis experts
      • Acute Kidney Failure
        Dr. Lloyd is
        Experienced
        . Learn about Acute Kidney Failure.
        See more Acute Kidney Failure experts
      • Anemia
        Dr. Lloyd is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Apoplexy
        Dr. Lloyd is
        Experienced
        . Learn about Apoplexy.
        See more Apoplexy experts
      • Atypical Pneumonia
        Dr. Lloyd is
        Experienced
        . Learn about Atypical Pneumonia.
        See more Atypical Pneumonia experts
      • Benign Paroxysmal Positional Vertigo
        Dr. Lloyd is
        Experienced
        . Learn about Benign Paroxysmal Positional Vertigo.
        See more Benign Paroxysmal Positional Vertigo experts
      View All 89 Experienced Conditions
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