Dr. Hrayr Basmajian, M.D., M.S.

Orthopedic Surgery
24 procedures 2 hospitals Pomona, CA
Growing Volume

Contact & Location

909-596-4346
Phone: 909-596-4346
Practice phone listed in the NPI registry
160 E Artesia St Ste 255
Pomona, CA 91767
NPI: 1982854626
Credentials: M.D., M.S.
Active Medicare provider (NPI verified)
18 years of practice experience
Licensed M.D., M.S.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 24 vs 36 national avg (4,532 surgeons)

About Dr. Basmajian

Dr. Hrayr Basmajian is a board-certified orthopedic surgeon practicing in Pomona, California. A Medicare provider since 2008, Dr. Basmajian performed 24 Medicare-verified hip replacements in the latest annual CMS data, ranking #195 in California.

In California, Dr. Basmajian performs below the state average in hip (24 vs 41).

Dr. Basmajian's Medicare data shows a focused hip replacement practice with 24 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Pomona is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Pomona area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Basmajian extend back to 2015, covering 5 years of data. Over that period, recorded procedure volume increased from 19 to 24 in the most recent data, a 26% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Basmajian's 24 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Hip Replacement
24 verified cases
#195 in California
Estimated total: 60 – 70 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. Basmajian Compares

Procedure volume compared to the California state average.

Hip Below Avg
24 Avg: 41
Dr. Basmajian California Average

Volume Trend Analysis

Dr. Basmajian's Medicare-recorded procedure volume has trended upward over 5 years, increasing 26% from 19 procedures in 2015 to 24 in the most recent data.

Years of Data 5
2024 Volume 24
Peak Volume 37 (2022)
Trend Growing

Hospital Affiliations & Quality

H
Pomona Valley Hospital Medical Center
3/5
Pomona, CA
Similar to national avg
H
San Antonio Regional Hospital
3/5
Upland, CA
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 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. Basmajian

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

Dr. Basmajian has performed 24 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. Basmajian ranks #431 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Basmajian perform?

Dr. Basmajian's reported Medicare volume is focused on hip replacement, with 24 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Basmajian in Pomona?

Yes. There are 4 orthopedic surgeons in Pomona 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. Basmajian 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. Basmajian's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 24 procedures shown here.

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

Yes. Dr. Basmajian's Medicare-recorded volume has increased from 19 procedures in 2015 to 24 in the most recent data, a 26% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 37 procedures in 2022.

Which hospitals is Dr. Basmajian affiliated with?

According to CMS facility affiliation data, Dr. Basmajian is affiliated with Pomona Valley Hospital Medical Center, San Antonio Regional Hospital.

How does Dr. Basmajian compare to other orthopedic surgeons in Pomona?

Among the 4 orthopedic surgeons in Pomona, Dr. Basmajian ranks #2 by total Medicare procedure volume. Dr. Basmajian is among the highest-volume surgeons in Pomona.

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

Pomona Valley Hospital Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); San Antonio Regional Hospital (3 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 Pomona, California

Dr. Basmajian's 24 Medicare procedures are below the Pomona average of 51. The table below compares verified procedure volumes for orthopedic surgeons practicing in Pomona.

SurgeonProceduresSpecialties
Dr. Luis Corrales 149 Hip, Knee
Dr. Sachin Patel 15 Knee
Dr. Jesus Fajardo 14 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. Hrayr Basmajian, M.D., M.S. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-hrayr-basmajian-pomona.html

Link: https://orthoprocedures.com/surgeons/ca/dr-hrayr-basmajian-pomona.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.