Gregory Marrujo, MD
NPI 1013076686 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Riverside, CA
Gregory Marrujo, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Riverside, CA (NPI 1013076686).
Provider details
- NPI number
- 1013076686
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G57292 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-11-30
Frequently asked questions
- What is Gregory Marrujo's NPI number?
- Gregory Marrujo's National Provider Identifier (NPI) is 1013076686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Marrujo's specialty?
- Gregory Marrujo is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Marrujo located?
- Gregory Marrujo's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Gregory Marrujo's phone number?
- The practice phone number listed in the NPPES registry for Gregory Marrujo is (909) 353-2000.
- Is Gregory Marrujo's NPI active?
- Yes — Gregory Marrujo's NPI (1013076686) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.