Pulmonary EmphysemaEmphysemaSpiration Valve System
Dr. Gregory Marrujo, MD
NPI1013076686
- Part D claims, 2020
- 19
- Publications
- 1
- Clinical trials
- 1
- Industry payments
- $4,589
- Insurance carriers
- 1
- Practice address
- 10800 Magnolia Ave, Riverside, CA 92505-3043
- Practice phone
- Call (909) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Marrujo's professional email, personal email and mobile number
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Dr. Gregory Marrujo is a cardiothoracic surgeon in Riverside, California
Dr. Marrujo practices in Riverside, California.
Dr. Marrujo's NPI, 1013076686, was assigned on December 8, 2006. Dr. Marrujo graduated from Harvard Medical School in 1978. Dr. Marrujo holds California license G57292.
NPI and contact details
- NPI
- 1013076686NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Practice phone
- (909) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Gregory Marrujo's practice address is in Riverside, California
Dr. Marrujo's practice address in the NPI Registry is 10800 Magnolia Ave, Riverside, CA 92505-3043. The practice phone is (909) 353-2000.
- NPI Registry address10800 Magnolia Ave, Riverside, CA 92505-3043Phone(909) 353-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gregory Marrujo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrujo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Marrujo's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Marrujo is one of 568 cardiothoracic surgeons in California
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Marrujo's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Marrujo is licensed in California.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimary
Cardiothoracic surgeons near Dr. Marrujo
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
568cardiothoracic surgeons in California
6cardiothoracic surgeons in Riverside
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Marrujo wrote 19 Medicare Part D claims in 2020
In 2020, Dr. Marrujo wrote 19 Medicare Part D claims. They cover 1 drug, with $161 in total drug cost. In 2019, CMS named 37 claims across 1 drug.
Part D claims, 202019
Drugs named by CMS1
Total drug cost$161
Dr. Marrujo's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 372020: 1949%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gregory Marrujo has 1 publication on record
Dmand AI links 1 paper to Dr. Marrujo.
Papers1
Recent publications by Dr. Marrujo
See who Dr. Marrujo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marrujo works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Marrujo has worked on 1 clinical trial
Dmand AI links Dr. Marrujo to 1 clinical trial. Conditions studied include Pulmonary Emphysema and Emphysema.
Conditions in Dr. Marrujo's trials
- Pulmonary Emphysema
- Emphysema
Investigators on the most trials with Dr. Marrujo
- Muhanned A. Abu-Hijleh, MD1 shared trial
- Paul R. Branca, MD1 shared trial
- Roberto Fernando Casal, MD1 shared trial
Recent clinical trials with Dr. Marrujo
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gregory Marrujo received $4,589 in industry payments from 2016 to 2019
CMS Open Payments shows 32 general payments to Dr. Marrujo from 6 drug and device companies from 2016 to 2019. Travel and lodging make up the largest share, 85% of the total. Intuitive Surgical, Inc. paid the most, $2,077.
General payments to Dr. Marrujo by program year, 2016 to 2019
General payments to Dr. Marrujo by kind, 2016 to 2019
$4.6Kin total
- Travel and lodging$3,87985%
- Food and beverage$71015%
Companies that paid Dr. Marrujo the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Marrujo has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Marrujo, most recently ACS Fellow in 2011.
Awards and honors for Dr. Marrujo
- 2011
- ACS Fellow
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Gregory Marrujo graduated from Harvard Medical School
Dr. Marrujo graduated from Harvard Medical School in 1978. Dr. Marrujo is a member of ACS and STS.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Gregory Marrujo accepts plans from 1 insurance carrier
Dr. Marrujo is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Marrujo accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Marrujo'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 |
| 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Gregory Marrujo
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. Gregory Marrujo's NPI number?
Dr. Gregory Marrujo's NPI number is 1013076686. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Marrujo?
Dr. Gregory Marrujo is a cardiothoracic surgeon in Riverside, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Gregory Marrujo practice?
Dr. Marrujo practices at 10800 Magnolia Ave, Riverside, CA 92505-3043.
What is Dr. Gregory Marrujo's office phone number?
The practice phone on file for Dr. Marrujo is (909) 353-2000.
What is Dr. Gregory Marrujo's medical license number?
Dr. Marrujo holds California license G57292.
Where did Dr. Gregory Marrujo go to medical school?
Dr. Marrujo graduated from Harvard Medical School in 1978.
What drugs does Dr. Gregory Marrujo prescribe most?
In 2020 Medicare Part D data, Dr. Marrujo's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Gregory Marrujo received payments from drug or device companies?
CMS Open Payments shows $4,589 in general payments to Dr. Marrujo from 6 companies from 2016 to 2019. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gregory Marrujo been practicing?
Dr. Marrujo graduated from medical school in 1978, 48 years ago.
Does Dr. Gregory Marrujo do research?
Dmand AI links 1 publication to Dr. Marrujo. Dr. Marrujo has worked on 1 clinical trial.
What insurance does Dr. Gregory Marrujo accept?
Dr. Marrujo is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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