Dr. David Maish, MD

Orthopedic Surgery
68 procedures 1 hospital Frederick, MD
Growing Volume

Contact & Location

240-215-6310
Phone: 240-215-6310
Practice phone listed in the NPI registry
501 W 7th St
Frederick, MD 21701
NPI: 1215998968
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 15 vs 36 national avg (4,532 surgeons)
Knee 53 vs 45 national avg (6,599 surgeons)

About Dr. Maish

Dr. David Maish is a board-certified orthopedic surgeon practicing in Frederick, Maryland. A Medicare provider since 2006, Dr. Maish performed 53 Medicare-verified knee replacements (#45 in Maryland) and 15 hip replacements in the latest annual CMS data, for a combined total of 68 procedures.

In Maryland, Dr. Maish performs near the state average in knee (53 vs 49), below the state average in hip (15 vs 42).

Dr. Maish's practice is heavily focused on knee replacement surgery, which accounts for 78% of reported Medicare volume.

Beyond general orthopedic surgery, Dr. Maish holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Frederick is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Frederick area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Maish extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 33 to 68 in the most recent data, a 106% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Maish's 53 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
53 verified cases
#45 in Maryland
Hip Replacement
15 verified cases
#71 in Maryland
Estimated total: 180 – 210 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. Maish Compares

Procedure volume compared to the Maryland state average.

Hip Below Avg
15 Avg: 42
Knee Average
53 Avg: 49
Dr. Maish Maryland Average

Volume Trend Analysis

Dr. Maish's Medicare-recorded procedure volume has trended upward over 11 years, increasing 106% from 33 procedures in 2013 to 68 in the most recent data.

Years of Data 11
2024 Volume 68
Peak Volume 83 (2015)
Trend Growing

Hospital Affiliations & Quality

H
Frederick Health Hospital
3/5
Frederick, MD
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 Knee Replacement

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

Knee Replacement Recovery Overview

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

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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

Frequently Asked Questions About Dr. Maish

How does Dr. Maish's procedure volume compare to other Maryland surgeons?

Dr. Maish has performed 68 Medicare-verified joint replacement procedures. This is in line with the Maryland average of 71 procedures per surgeon. Dr. Maish ranks #65 out of 166 orthopedic surgeons in Maryland.

What types of joint replacement does Dr. Maish perform?

Dr. Maish's Medicare data shows procedures in knee replacement (53 cases) and hip replacement (15 cases).

Are there other orthopedic surgeons near Dr. Maish in Frederick?

Yes. There are 5 orthopedic surgeons in Frederick 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 Maryland surgeons.

What does the Medicare data for Dr. Maish 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. Maish's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 68 procedures shown here.

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

Yes. Dr. Maish's Medicare-recorded volume has increased from 33 procedures in 2013 to 68 in the most recent data, a 106% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 83 procedures in 2015.

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

Yes. Dr. Maish's Medicare data shows procedures in knee replacement (53 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Maish affiliated with?

According to CMS facility affiliation data, Dr. Maish is affiliated with Frederick Health Hospital.

How does Dr. Maish compare to other orthopedic surgeons in Frederick?

Among the 5 orthopedic surgeons in Frederick, Dr. Maish ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Frederick has 164 verified Medicare procedures.

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

Frederick Health 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 Frederick, Maryland

Dr. Maish's 68 Medicare procedures are below the Frederick average of 87. The table below compares verified procedure volumes for orthopedic surgeons practicing in Frederick.

SurgeonProceduresSpecialties
Dr. Cory Walsh 164 Hip, Knee
Dr. Therlinsie Fleurizard 99 Hip, Knee
Dr. Rishi Gupta 82 Hip, Knee
Dr. Matthew Levine 20 Shoulder

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. David Maish, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/md/dr-david-maish-frederick.html

Link: https://orthoprocedures.com/surgeons/md/dr-david-maish-frederick.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.