BenzamidesBinding SitesCell Line, Tumor
Dr. Richard Ramos Lopez Jr., MD
NPI1700939097
- Medicare services, 2022
- 11
- Part D claims, 2022
- 11
- Publications
- 11
- Industry payments
- $7,128
- Insurance carriers
- 7
- Practice address
- 20911 Earl St, Torrance, CA 90503-4352
- Practice phone
- Call (310) 303-5075
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Richard Ramos Lopez Jr. is a general surgeon in Torrance, California
Dr. Lopez practices in Torrance, California.
Dr. Lopez's NPI, 1700939097, was assigned on January 19, 2007. Dr. Lopez graduated from Stanford University School Of Medicine in 1984. Dr. Lopez holds California license G77986.
NPI and contact details
- NPI
- 1700939097NPI Registry (opens in a new tab)
- NPI enumeration date
- January 19, 2007
- NPI status
- Active
- Practice phone
- (310) 303-5075
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Richard Ramos Lopez Jr.'s practice address is in Torrance, California
Dr. Lopez's practice address in the NPI Registry is 20911 Earl St, Torrance, CA 90503-4352. The practice phone is (310) 303-5075.
- NPI Registry address20911 Earl St, Torrance, CA 90503-4352Phone(310) 303-5075
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Richard Ramos Lopez Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lopez's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Ramos Lopez Jr. is one of 2,926 general surgeons in California
Surgery is Dr. Lopez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lopez is board certified in surgery by the National Board of Physicians and Surgeons. Dmand AI has Dr. Lopez's licenses on file in 3 states: California, Oregon and Tennessee.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Oregon license
- Tennessee license
General surgeons near Dr. Lopez
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Richard Ramos Lopez Jr. billed Medicare for 11 services in 2022
CMS data shows 11 Medicare services from Dr. Lopez across 1 procedure code in 2022, all of them office visits. Medicare paid $1,033 for them. Every service was in an office.
Medicare services, 202211
Paid by Medicare$1,033
Procedure codes1
Dr. Lopez's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 732022: 1185%
Dr. Lopez compared with the California median for general surgeons, 2022
- Dr. Lopez
- California median
- Medicare services
- 11vs 16693% below
- Part D claims
- 11vs 3468% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Lopez's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard Ramos Lopez Jr. wrote 11 Medicare Part D claims in 2022
In 2022, Dr. Lopez wrote 11 Medicare Part D claims. They cover 1 drug, with $15,211 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Part D claims, 202211
Drugs named by CMS1
Total drug cost$15,211
Dr. Lopez's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 242022: 1154%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Richard Ramos Lopez Jr. has 11 publications on record
Dmand AI links 11 papers to Dr. Lopez in 2014. The most frequent topics are Liver Neoplasms, Liver Transplantation and Drainage. Dr. Lopez has published most often in Am J Surg. Dr. Lopez's most frequent co-authors are Binh To Ngo, MD and Bryan Giao Ngo, MD.
Papers11
Topics Dr. Lopez writes about most
- Liver Neoplasms
- Liver Transplantation
- Drainage
- Lymphatic Metastasis
- Postoperative Complications
- Radiography
- Stents
- Tissue Donors
Dr. Lopez's most frequent co-authors
Recent publications by Dr. Lopez
Gastroenterology
Angioplasty, BalloonBudd-Chiari SyndromeHepatic Veins
Effect of donor-disseminated intravascular coagulation in liver transplantation (opens in a new tab)
Arch Surg
Disseminated Intravascular CoagulationGraft SurvivalLength of Stay
Abdominal MusclesFibromaFibrosarcoma
AdenocarcinomaCarcinoma, Squamous CellEsophageal Neoplasms
See who Dr. Lopez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lopez works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Richard Ramos Lopez Jr. received $7,128 in industry payments from 2016 to 2023
CMS Open Payments shows 62 general payments to Dr. Lopez from 17 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 39% of the total. Gilead Sciences, Inc. paid the most, $2,936.
General payments to Dr. Lopez by program year, 2016 to 2023
General payments to Dr. Lopez by kind, 2016 to 2023
$7.1Kin total
- Food and beverage$2,78739%
- Consulting fees$2,23031%
- Travel and lodging$2,11130%
Companies that paid Dr. Lopez the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard Ramos Lopez Jr. graduated from Stanford University School Of Medicine
Dr. Lopez graduated from Stanford University School Of Medicine in 1984.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Richard Ramos Lopez Jr. accepts plans from 7 insurance carriers
Dr. Lopez is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Molina
Plan types Dr. Lopez accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard Ramos Lopez Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Richard Ramos Lopez Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Richard Ramos Lopez Jr.'s NPI number?
Dr. Richard Ramos Lopez Jr.'s NPI number is 1700939097. It was assigned on January 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Ramos Lopez Jr.?
Dr. Richard Ramos Lopez Jr. is a general surgeon in Torrance, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Richard Ramos Lopez Jr. practice?
Dr. Lopez practices at 20911 Earl St, Torrance, CA 90503-4352.
What is Dr. Richard Ramos Lopez Jr.'s office phone number?
The practice phone on file for Dr. Lopez is (310) 303-5075.
What is Dr. Richard Ramos Lopez Jr.'s medical license number?
Dr. Lopez holds California license G77986, one of the licenses on file in 3 states.
Which states has Dr. Richard Ramos Lopez Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Lopez in California (1993 to 2027), Oregon (since 1985) and Tennessee (1991 to 1995).
Does Dr. Richard Ramos Lopez Jr. accept Medicare?
Yes. CMS data shows Dr. Lopez billed Medicare for 11 services in 2022.
Is Dr. Richard Ramos Lopez Jr. board certified?
Yes. Dr. Lopez is board certified in surgery by the National Board of Physicians and Surgeons.
What services does Dr. Richard Ramos Lopez Jr. bill to Medicare?
In 2022, Dr. Lopez's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Richard Ramos Lopez Jr. go to medical school?
Dr. Lopez graduated from Stanford University School Of Medicine in 1984.
Show 6 more questionsShow fewer questions
What drugs does Dr. Richard Ramos Lopez Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Lopez's most prescribed drugs by claims were Vemlidy.
Has Dr. Richard Ramos Lopez Jr. received payments from drug or device companies?
CMS Open Payments shows $7,128 in general payments to Dr. Lopez from 17 companies from 2016 to 2023. The largest total came from Gilead Sciences, Inc.
How long has Dr. Richard Ramos Lopez Jr. been practicing?
Dr. Lopez graduated from medical school in 1984, 42 years ago.
Does Dr. Richard Ramos Lopez Jr. do research?
Dmand AI links 11 publications to Dr. Lopez.
Who does Dr. Richard Ramos Lopez Jr. publish with?
Dr. Lopez's most frequent co-authors are Binh To Ngo, MD (1 shared paper) and Bryan Giao Ngo, MD (1 shared paper).
What insurance does Dr. Richard Ramos Lopez Jr. accept?
Dr. Lopez is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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