Dr. Prem Narayan Ramkumar , MD, MBA
Orthopaedic Surgery • Downey, CA
5750 Downey Ave Ste 308
Downey, CA 907121482
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
-
Dr. Prem Ramkumar is listed in NPPES under Orthopaedic Surgery.
-
NPI assigned on March 31, 2016; this date does not establish years in practice.
-
Published CMS data list 547 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
-
Published Part B service records, 2024:
- 99214 — Established patient outpatient office visit: 120 service units.
- 73562 — X-ray of knee, 3 views: 110 service units.
- 73502 — X-ray of hip, 2-3 views: 98 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 8 records in the table · Guide: How to read Medicare Part B data
-
Published CMS data list 973 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
-
Published Part D records, 2024:
- Meloxicam — 331 prescription fills, including refills.
- Naproxen — 136 prescription fills, including refills.
- Tramadol Hcl — 114 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 11 records in the table · Guide: How to read Medicare Part D prescriber data
-
Fewer Medicare Part B services than 65% of clinicians listed under Orthopaedic Surgery in California (2024, 1,037 clinicians with data). Median for this group: 1,177. Middle half: 310 to 3,300.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
-
Medicare Part B services went from 44 in 2021 to 547 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021–2024.
Practice Location & Contact Primary Location
5750 Downey Ave Ste 308
Downey, CA 907121482
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Long Beach, CA. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 1 group name: Commons Clinic Medical Group, Pc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Baylor College Of Medicine
2016
What Public CMS Data Show
Orthopaedic Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
169 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $56,364 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $42,555 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
30-day fills
989 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$10,492 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $19,174.65 across 54 records.
By nature of payment (3 largest of 4)
- Consulting Fee: $15,200.00 across 6 records.
- Food and Beverage: $2,073.16 across 38 records.
- Travel and Lodging: $1,882.96 across 9 records.
Reporting-company totals
- Stryker Corporation: $19,100.52 across 52 records.
- RTI SURGICAL, INC: $55.60 across 1 record.
- Overture Orthopaedics: $18.53 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
10 years (graduated 2016)
CMS Doctors and Clinicians data list 2016 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Ramkumar has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Ramkumar as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Downey and California
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 65% of clinicians listed under Orthopaedic Surgery in California (2024, 1,037 clinicians with data). Median for this group: 1,177. Middle half: 310 to 3,300.
Too few clinicians listed under Orthopaedic Surgery in Downey have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 60% of clinicians listed under Orthopaedic Surgery in California (2024, 1,037 clinicians with data). Median for this group: $92,613. Middle half: $32,551 to $209,320.
Too few clinicians listed under Orthopaedic Surgery in Downey have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 60% of clinicians listed under Orthopaedic Surgery in California (2024, 1,037 clinicians with data). Median for this group: $69,737. Middle half: $24,028 to $159,045.
Too few clinicians listed under Orthopaedic Surgery in Downey have Medicare Part B data for 2024 to compare.
Medicare Part D prescriptions
More Part D prescriptions than 90% of clinicians listed under Orthopaedic Surgery in California (2024, 1,131 clinicians with data). Median for this group: 139. Middle half: 45 to 347.
Too few clinicians listed under Orthopaedic Surgery in Downey have Medicare Part D data for 2024 to compare.
Part D drug cost
A higher Part D drug cost than 90% of clinicians listed under Orthopaedic Surgery in California (2024, 1,131 clinicians with data). Median for this group: $1,211. Middle half: $355 to $3,502.
Too few clinicians listed under Orthopaedic Surgery in Downey have Medicare Part D data for 2024 to compare.
10 active clinicians are listed under Orthopaedic Surgery with a practice address in Downey, CA (2,281 in California).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Medicare Part B services
Medicare Part B services increased 1143% from 44 in 2021 to 547 in 2024.
- 2021: 44
- 2022: 48
- 2023: 53
- 2024: 547
-
Medicare-allowed amount
Medicare-allowed amount increased 452% from $10,220 in 2021 to $56,364 in 2024.
- 2021: $10,220
- 2022: $11,619
- 2023: $5,912
- 2024: $56,364
-
Paid by Medicare
Paid by Medicare increased 421% from $8,176 in 2021 to $42,555 in 2024.
- 2021: $8,176
- 2022: $9,295
- 2023: $4,732
- 2024: $42,555
-
Medicare Part D prescriptions
Medicare Part D prescriptions went from 17 in 2020 to 973 in 2024.
- 2020: 17
- 2021: 54
- 2022: 73
- 2023: 126
- 2024: 973
-
30-day fills
30-day fills went from 17 in 2020 to 989 in 2024.
- 2020: 17
- 2021: 54
- 2022: 73
- 2023: 126
- 2024: 989
-
Part D drug cost
Part D drug cost went from $144 in 2020 to $10,492 in 2024.
- 2020: $144
- 2021: $1,893
- 2022: $418
- 2023: $459
- 2024: $10,492
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $560.00 in 2020 to $19,174.65 in 2025.
- 2020: $560.00
- 2022: $24,184.86
- 2023: $11,691.08
- 2024: $18,773.04
- 2025: $19,174.65
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): 54 records totaling $19,174.65.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
MAKO | General | $6,800.00 |
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
MAKO | General | $6,000.00 |
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
— | General | $800.00 |
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
MAKO | General | $800.00 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $694.52 |
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
MAKO | General | $400.00 |
| Stryker Corporation |
Consulting Fee
Cash or cash equivalent
|
MAKO | General | $400.00 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $263.44 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $183.67 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $180.33 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
MAKO | General | $175.00 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
SALVATION | General | $167.14 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $156.00 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $156.00 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
GAMMA | General | $145.41 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
MAKO | General | $131.75 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
MAKO | General | $120.14 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $120.00 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
SALVATION | General | $119.22 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
INSPACE | General | $115.36 |
| Stryker Corporation |
Travel and Lodging
Cash or cash equivalent
|
MAKO | General | $104.00 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
MAKO | General | $75.00 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
MAKO | General | $73.55 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
SALVATION | General | $62.11 |
| Stryker Corporation |
Food and Beverage
In-kind items and services
|
INSIGNIA | General | $61.99 |
(top 25 shown)
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2020–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2021–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | 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 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Meloxicam | Meloxicam | 331 | 10,230 | $659.81 | 135 |
| Naproxen | Naproxen | 136 | 2,798 | $573.44 | 101 |
| Tramadol Hcl | Tramadol Hcl | 114 | 872 | $246.61 | 93 |
| Ondansetron Hcl | Ondansetron Hcl | 99 | 726 | $565.44 | 91 |
| Dexamethasone | Dexamethasone | 98 | 205 | $337.04 | 91 |
| Hydromorphone Hcl | Hydromorphone Hcl | 86 | 567 | $599.97 | 75 |
| Omeprazole | Omeprazole | 50 | 792 | $91.10 | 47 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 18 | 97 | $94.14 | 11 |
| Ibuprofen | Ibuprofen | 14 | 280 | $48.61 | — |
| Eliquis | Apixaban | 14 | 402 | $7,199.00 | — |
| Methylprednisolone | Methylprednisolone | 13 | 78 | $76.57 | 13 |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-08-28NUCC Taxonomy Code: 207X00000X
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.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - ORTHOPEDIC SURGERY
I20230421002417
CA
7315238011
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
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
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Orthopaedic Surgery - Hand Surgery
Doctor of Medicine (M.D.)
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Physician Assistant - Surgical
Physician Assistant - Surgical
Physician Assistant (Certified)
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 5750 DOWNEY AVE STE 308, DOWNEY, CA 907121482 (Tel: 5626333787)
Registered at PO BOX 15848, NEWPORT BEACH, CA 926595848 (Tel: 6572413600)
Orthopaedic Surgery (license number reported to NPPES: CA A180372)
Registered at 535 E 70TH ST, NEW YORK, NY 100214898 (Tel: 2126061000)
Registered at 535 E 70TH ST, NEW YORK, NY 100214898 (Tel: 2126061000)
NPI status registered as active in NPPES database
Registered at 9500 EUCLID AVE, CLEVELAND, OH 441955108 (Tel: 2164442200)
Registered at 9500 EUCLID AVE, CLEVELAND, OH 441955108 (Tel: 2164442200)
Recorded as PREM RAMKUMAR, M.D., M.B.A.
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Orthopaedic Surgery Specialists in Downey
- Dr. Kourosh Shamlou, MD
- Dr. Frank Giacobetti, MD
- Dr. Kevin Park, MD
- Dr. Pradeep Kumar, MD
- Dr. Vance Eberly, MD
- Dr. Richard Chambers, MD
Mailing Address
Po Box 15848
Newport Beach, CA 926595848
Phone: 6572413600