Dr. Molly Hartzler, MD

Orthopedic Surgery
46 procedures 1 hospital Redding, CA
Latest available Medicare data — updated April 2026

Contact & Location

Phone: 530-242-3500
Practice phone listed in the NPI registry
2510 Airpark Dr Ste 301
Redding, CA 96001
NPI: 1053757054
Credentials: MD
Active Medicare provider (NPI verified)
13 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 31 vs 36 avg (4,532 surgeons)
Knee 15 vs 45 avg (6,599 surgeons)

Dr. Molly Hartzler is a board-certified orthopedic surgeon practicing in Redding, California. A Medicare provider since 2013, Dr. Hartzler has performed 31 Medicare-verified hip replacements (#149 in California) and 15 knee replacements, for a combined total of 46 procedures.

In California, Dr. Hartzler performs below average in hip (31 vs 41 avg), below average in knee (15 vs 47 avg).

Dr. Hartzler's reported Medicare volume is split between hip replacements (31 cases) and knee replacements (15 cases).

Redding is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Redding area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Hartzler's Medicare data spans 7 years, beginning in 2018. Volume peaked at 112 procedures in 2020 before settling at 46 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Among 4,532 hip replacement surgeons tracked nationally, Dr. Hartzler's 31 verified procedures is near the national average of 36.

Verified Medicare Cases

Hip Replacement
31 verified cases
#149 in California
Knee Replacement
15 verified cases
#406 in California
Estimated total: 120 – 140 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

How Dr. Hartzler Compares

Procedure volume compared to the California state average.

Hip Below Avg
31 Avg: 41
Knee Below Avg
15 Avg: 47
Dr. Hartzler California Average

Volume Trend Analysis

Dr. Hartzler's recorded volume peaked at 112 procedures in 2020 and stood at 46 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 7
2024 Volume 46
Peak Volume 112 (2020)
Trend Declining

Hospital Affiliations & Quality

H
North Carolina Baptist Hospital
3/5
Winston-Salem, NC
Similar to national avg

Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.

Patient Resources: Preparing for Hip Replacement

If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:

Hip Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Hartzler

How does Dr. Hartzler's procedure volume compare to other California surgeons?

Dr. Hartzler has performed 46 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Hartzler ranks #290 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Hartzler perform?

Dr. Hartzler's Medicare data shows procedures in hip replacement (31 cases) and knee replacement (15 cases).

Are there other orthopedic surgeons near Dr. Hartzler in Redding?

Yes. There are 6 orthopedic surgeons in Redding in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all California surgeons.

What does the Medicare data for Dr. Hartzler represent?

The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Hartzler's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 46 procedures shown here.

Has Dr. Hartzler's procedure volume changed over time?

Dr. Hartzler's Medicare-recorded volume peaked at 112 procedures in 2020 and was 46 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.

Does Dr. Hartzler perform more than one type of joint replacement?

Yes. Dr. Hartzler's Medicare data shows procedures in hip replacement (31 cases), knee replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Hartzler affiliated with?

According to CMS facility affiliation data, Dr. Hartzler is affiliated with North Carolina Baptist Hospital. Dr. Hartzler maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.

How does Dr. Hartzler compare to other orthopedic surgeons in Redding?

Among the 6 orthopedic surgeons in Redding, Dr. Hartzler ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Redding has 226 verified Medicare procedures.

What are the quality ratings for hospitals where Dr. Hartzler practices?

North Carolina Baptist Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Redding, California

Dr. Hartzler's 46 Medicare procedures are below the Redding average of 112. The table below compares verified procedure volumes for orthopedic surgeons practicing in Redding.

SurgeonProceduresSpecialties
Dr. Shawn Brubaker 226 Hip, Knee
Dr. Troy Miles 212 Hip, Knee
Dr. Patrick Schafer 87 Hip, Knee
Dr. Paul Schwartz 85 Knee, Shoulder
Dr. Richard Cross 16 Knee

Patient Resources & Verification

Research reviews, verify credentials, and check official quality data through these trusted sources:

Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Molly Hartzler, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-molly-hartzler-redding.html

Link: https://orthoprocedures.com/surgeons/ca/dr-molly-hartzler-redding.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.