Robert E Simon MD a Professional Corporation
NPI 1639368541 · Neurology Physician · Mission Viejo, CA
Robert E Simon MD a Professional Corporation is a Neurology Physician organization in Mission Viejo, CA (NPI 1639368541).
Provider details
- NPI number
- 1639368541
- Entity type
- Organization
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ruth Eastham, Mgr(949) 364-9054
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
18 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
- 2007-10-16
- Last updated
- 2011-05-11
Frequently asked questions
- What is Robert E Simon MD a Professional Corporation's NPI number?
- Robert E Simon MD a Professional Corporation's National Provider Identifier (NPI) is 1639368541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert E Simon MD a Professional Corporation?
- Robert E Simon MD a Professional Corporation is classified in the NPPES registry as Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert E Simon MD a Professional Corporation located?
- Robert E Simon MD a Professional Corporation's practice location on file with NPPES is 26691 Plaza, Mission Viejo, CA 92691-6329.
- What is Robert E Simon MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Robert E Simon MD a Professional Corporation is (949) 364-9054.
- Who is the authorized official for Robert E Simon MD a Professional Corporation?
- The authorized official listed on Robert E Simon MD a Professional Corporation's NPPES record is Ruth Eastham, Mgr. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert E Simon MD a Professional Corporation's NPI active?
- Yes — Robert E Simon MD a Professional Corporation's NPI (1639368541) is active in the NPPES registry as of the last update on 2011-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.