Ronald S Greenwald
NPI 1457544462 · Medical Specialty Clinic/Center · Mountain View, CA
Ronald S Greenwald is a Medical Specialty Clinic/Center organization in Mountain View, CA (NPI 1457544462).
Provider details
- NPI number
- 1457544462
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Diana Pistorius, Business Manager(650) 968-4747
- License
- G56400 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2007-08-22
- Last updated
- 2007-08-22
Frequently asked questions
- What is Ronald S Greenwald's NPI number?
- Ronald S Greenwald's National Provider Identifier (NPI) is 1457544462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ronald S Greenwald?
- Ronald S Greenwald is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Ronald S Greenwald located?
- Ronald S Greenwald's practice location on file with NPPES is 2500 Hospital Dr, Mountain View, CA 94040-4106.
- What is Ronald S Greenwald's phone number?
- The practice phone number listed in the NPPES registry for Ronald S Greenwald is (650) 968-4747.
- Who is the authorized official for Ronald S Greenwald?
- The authorized official listed on Ronald S Greenwald's NPPES record is Diana Pistorius, Business Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ronald S Greenwald's NPI active?
- Yes — Ronald S Greenwald's NPI (1457544462) is active in the NPPES registry as of the last update on 2007-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.