Regional Medical Services
NPI 1821236910 · Magnetic Resonance Imaging (MRI) Internal Medicine Physician · Upland, CA
Regional Medical Services is a Magnetic Resonance Imaging (MRI) Internal Medicine Physician organization in Upland, CA (NPI 1821236910).
Provider details
- NPI number
- 1821236910
- Entity type
- Organization
- Primary specialty
- Magnetic Resonance Imaging (MRI) Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Landen Mirallegro, Owner(714) 238-1155
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
17 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
Other names (DBA / former)
- Doing business as
- Regional Imaging Services
Registry dates
- Enumerated
- 2009-01-27
- Last updated
- 2011-09-21
Frequently asked questions
- What is Regional Medical Services's NPI number?
- Regional Medical Services's National Provider Identifier (NPI) is 1821236910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Regional Medical Services?
- Regional Medical Services is classified in the NPPES registry as Magnetic Resonance Imaging (MRI) Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Regional Medical Services located?
- Regional Medical Services's practice location on file with NPPES is 559 N Central Ave, Upland, CA 91786-4241.
- What is Regional Medical Services's phone number?
- The practice phone number listed in the NPPES registry for Regional Medical Services is (714) 238-1155.
- Who is the authorized official for Regional Medical Services?
- The authorized official listed on Regional Medical Services's NPPES record is Landen Mirallegro, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Regional Medical Services's NPI active?
- Yes — Regional Medical Services's NPI (1821236910) is active in the NPPES registry as of the last update on 2011-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.