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Active NPI 1255794889 Individual Practitioner Male Practitioner

Dr. Prem Narayan Ramkumar , MD, MBA

Orthopaedic Surgery • Downey, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Prem Ramkumar, MD, MBA is a certified Orthopaedic Surgery practicing in Downey, CA. With approximately 10 years of clinical experience since graduating from Baylor College Of Medicine in 2016, Dr. Ramkumar delivers high-quality medical care to the local community at 5750 DOWNEY AVE STE 308.

Dr. Ramkumar is affiliated with Commons Clinic Medical Group, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of knee, 3 views, x-ray of hip, 2-3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5750 Downey Ave Ste 308

Downey, CA 907121482

Telephone 5626333787
Fax 5626331977
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Downey, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -19.0 yrs vs City Avg
City Avg: 29.0 Yrs
State Avg: 28.4 Yrs
Regional Practice Density
13 Specialists

Practicing in Downey, CA (2527 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
63.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ramkumar (10 Years) 10 Yrs
Downey Specialty Average (29.0 Years) 29.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
120 76 $389.46 $135.90
73562 X-ray of knee, 3 views
110 79 $129.73 $45.62
73502 X-ray of hip, 2-3 views
98 74 $166.07 $52.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
98 98 $546.80 $176.41
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
46 16 $15.00 $0.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
31 23 $484.99 $193.99
20610 Aspiration and/or injection of fluid from large joint
25 22 $224.21 $81.76
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
19 19 $599.45 $235.83

Medical Specialties & State Licenses

CMS Verified: 2025-08-28
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License CA A180372

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Hospital & Practice Group Affiliations

Commons Clinic Medical Group, Pc

3828 Schaufele Ave, Long Beach, CA 908081793

Phone: 5623484588

Commons Clinic Medical Group, Pc

13160 Mindanao Way, Marina Del Rey, CA 902926393

Phone: 3104377925

Commons Clinic Medical Group, Pc

5750 Downey Ave, Lakewood, CA 907121482

Phone: 5626333787

Secondary Practice Locations

3828 Schaufele Ave Ste 320

Long Beach, CA 908081793

Phone: 5623484588

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Zachary Stone , PA-C

Physician Assistant - Surgical

NPI 1063058436

Physician Assistant (Certified)

Dr. Christopher Combs , MD

Orthopaedic Surgery

NPI 1205925468

Doctor of Medicine (M.D.)

Margo Royer , RN

Nurse Practitioner

NPI 1245046424

Registered Nurse

Dr. Ezzat Wassef , MD

Orthopaedic Surgery

NPI 1427063197

Doctor of Medicine (M.D.)

Dr. Richard Ahn , MD

Orthopaedic Surgery - Hand Surgery

NPI 1568809226

Doctor of Medicine (M.D.)

Warren Yan , PA-C

Physician Assistant - Surgical

NPI 1730894916

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location August 28, 2025

Registered at 5750 DOWNEY AVE STE 308, DOWNEY, CA 907121482 (Tel: 5626333787)

📍
Updated Business Mailing Address June 09, 2023

Registered at PO BOX 15848, NEWPORT BEACH, CA 926595848 (Tel: 6572413600)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2023

Orthopaedic Surgery (License #A180372 in CA)

📍
Updated Practice Location July 21, 2022

Registered at 535 E 70TH ST, NEW YORK, NY 100214898 (Tel: 2126061000)

📍
Updated Business Mailing Address July 21, 2022

Registered at 535 E 70TH ST, NEW YORK, NY 100214898 (Tel: 2126061000)

NPI Profile Active March 31, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 31, 2016

Registered at 9500 EUCLID AVE, CLEVELAND, OH 441955108 (Tel: 2164442200)

📍
Updated Business Mailing Address March 31, 2016

Registered at 9500 EUCLID AVE, CLEVELAND, OH 441955108 (Tel: 2164442200)

👤
Provider Name / Credentials Updated March 31, 2016

Recorded as PREM RAMKUMAR, M.D., M.B.A.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 31, 2016

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 31, 2016

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1255794889
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 31, 2016
Last Update: August 28, 2025
Sole Proprietor: Yes

Mailing Address

Po Box 15848

Newport Beach, CA 926595848

Phone: 6572413600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.