Dr. Micah Adamson, MD

Orthopedic Surgery
98 procedures 1 hospital Los Angeles, CA
Growing Volume

Contact & Location

310-319-1234
Phone: 310-319-1234
Practice phone listed in the NPI registry
100 Ucla Medical Plz Ste 755
Los Angeles, CA 90024
NPI: 1013390533
Credentials: MD
Active Medicare provider (NPI verified)
11 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 32 vs 36 national avg (4,532 surgeons)
Knee 66 vs 45 national avg (6,599 surgeons)

About Dr. Adamson

Dr. Micah Adamson is a board-certified orthopedic surgeon practicing in Los Angeles, California. A Medicare provider since 2015, Dr. Adamson performed 66 Medicare-verified knee replacements (#99 in California) and 32 hip replacements in the latest annual CMS data, for a combined total of 98 procedures.

In California, Dr. Adamson performs above the state average in knee (66 vs 47), below the state average in hip (32 vs 41).

Dr. Adamson's reported Medicare volume is split between knee replacements (66 cases) and hip replacements (32 cases).

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

Los Angeles is home to 34 orthopedic surgeons in the current Medicare dataset. Patients in the Los Angeles area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Adamson extend back to 2020, covering 5 years of data. Over that period, recorded procedure volume increased from 11 to 98 in the most recent data, a 791% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Adamson's 66 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
66 verified cases
#99 in California
Hip Replacement
32 verified cases
#144 in California
Estimated total: 260 – 300 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. Adamson Compares

Procedure volume compared to the California state average.

Hip Below Avg
32 Avg: 41
Knee High
66 Avg: 47
Dr. Adamson California Average

Volume Trend Analysis

Dr. Adamson's Medicare-recorded procedure volume has trended upward over 5 years, increasing 791% from 11 procedures in 2020 to 98 in the most recent data.

Years of Data 5
2024 Volume 98
Peak Volume 98 (2024)
Trend Growing

Hospital Affiliations & Quality

H
St Anthony North Hospital
4/5
Westminster, CO
Low case volume

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. Adamson

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

Dr. Adamson has performed 98 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Adamson ranks #118 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Adamson perform?

Dr. Adamson's Medicare data shows procedures in knee replacement (66 cases) and hip replacement (32 cases).

Are there other orthopedic surgeons near Dr. Adamson in Los Angeles?

Yes. There are 34 orthopedic surgeons in Los Angeles 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. Adamson 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. Adamson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 98 procedures shown here.

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

Yes. Dr. Adamson's Medicare-recorded volume has increased from 11 procedures in 2020 to 98 in the most recent data, a 791% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 98 procedures in 2024.

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

Yes. Dr. Adamson's Medicare data shows procedures in knee replacement (66 cases), hip replacement (32 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Adamson affiliated with?

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

How does Dr. Adamson compare to other orthopedic surgeons in Los Angeles?

Among the 34 orthopedic surgeons in Los Angeles, Dr. Adamson ranks #3 by total Medicare procedure volume. Dr. Adamson is among the highest-volume surgeons in Los Angeles.

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

St Anthony North Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Los Angeles, California

Dr. Adamson's 98 Medicare procedures are below the Los Angeles average of 113. The table below compares verified procedure volumes for orthopedic surgeons practicing in Los Angeles.

SurgeonProceduresSpecialties
Dr. John Tiberi 211 Hip, Knee
Dr. Daniel Oakes 192 Hip, Knee
Dr. Vishal Hegde 97 Hip, Knee
Dr. Andrew Spitzer 71 Hip, Knee
Dr. Adam Sassoon 62 Hip, Knee
Dr. Nathanael Heckmann 57 Hip, 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. Micah Adamson, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-micah-adamson-los-angeles.html

Link: https://orthoprocedures.com/surgeons/ca/dr-micah-adamson-los-angeles.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.