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About

Lancaster Endocrinology is a medical practice focused on endocrine and hormonal health, including diabetes, thyroid disease, osteoporosis, and related conditions. They offer individualized patient care, education, and training, and treat a range of glandular disorders. The practice accepts new patients and works with most insurance plans (including Medicare, HMOs, and PPOs). They operate two offices in South Carolina: 834 W Meeting St, Lancaster, SC, and 410 S Herlong Ave Ste 106, Rock Hill, SC. Contact: 803-327-3438 or 803-329-3899. Website: lancasterendocrinology.com.

Clinic Type

Endocrinology, Diabetes & Metabolism

Address

410 South Herlong Avenue, Suite 106, Rock Hill, SC 29732

Phone

803-329-3899

Email

—

Opening Hours

Monday and Thursday 8:30 AM – 5:30 PM; Closed for lunch 12:30 PM – 1:30 PM; Tuesday, Wednesday, Friday 8:00 AM – 5:00 PM; Closed for lunch 12:00 PM – 1:00 PM

Services Offered

  • Endocrinology
  • Diabetes care
  • Thyroid disease treatment
  • Osteoporosis management
  • Hormonal disorders treatment
  • Glandular problems care
  • Diabetes education
  • Patient education and training

Team

  • Dr. Robert Wozniak — Board-certified Endocrinologist

Insurance & Payment

  • Most insurance plans, including Medicare, HMOs, and PPOs
  • Most insurance plans
  • Medicare
  • HMOs
  • PPOs

Please check with your particular plan to make sure we are in the network.

Not specified in text

Languages Spoken

  • English

FAQs

What conditions do you treat?

Diabetes, thyroid disease, osteoporosis and other glandular problems.

What is the patient intake process for new patients?

We accept new patients and welcome professional and personal referrals. We ask that patients have their records sent to us before scheduling their appointment.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals.com: 3.6/5 stars (Dr. Karen E. Smith Coleman) (12 reviews)
  • Penn Medicine Provider Profile: 5.0/5 stars (Rebecca Kunkel) (30 reviews)

Patients praise

  • Providers are described as knowledgeable and thorough
  • Many patients appreciate clinicians who listen well and explain conditions clearly
  • Individualized, caring approach by specific staff members

Common complaints

  • Long wait times in office and for appointments
  • Dissatisfaction with billing and administrative policies
  • Perceived lack of care or dismissive communication from some providers

"Christine Franzese at Lancaster Endocrinology is the best medical provider I have ever seen. She listens carefully, gives thoughtful answers and most of all is so very kind..."

— WebMD review

"She has more knowledge medically then any doctor I have EVER visited for a 'health condition'... she does what is needed, so be patient your turn will come."

— Vitals review for Dr. Karen Smith-Coleman

"I was told she only had time to see me for one [condition], and to choose the one that was 'most important' to me. Subsequently, her care has been neglectful..."

— Vitals review for Dr. Karen Smith-Coleman

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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