R. William Buster, M.D. and Associates
NPI 1710030960 · Geriatric Medicine (Internal Medicine) Physician · Orange, CA
R. William Buster, M.D. and Associates is a Geriatric Medicine (Internal Medicine) Physician organization in Orange, CA (NPI 1710030960).
Provider details
- NPI number
- 1710030960
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Buster, Owner(714) 639-2600
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
- 2007-01-19
- Last updated
- 2020-08-22
Frequently asked questions
- What is R. William Buster, M.D. and Associates's NPI number?
- R. William Buster, M.D. and Associates's National Provider Identifier (NPI) is 1710030960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is R. William Buster, M.D. and Associates?
- R. William Buster, M.D. and Associates is classified in the NPPES registry as Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is R. William Buster, M.D. and Associates located?
- R. William Buster, M.D. and Associates's practice location on file with NPPES is 845 W La Veta Ave Ste 108, Orange, CA 92868-3930.
- What is R. William Buster, M.D. and Associates's phone number?
- The practice phone number listed in the NPPES registry for R. William Buster, M.D. and Associates is (714) 639-2600.
- Who is the authorized official for R. William Buster, M.D. and Associates?
- The authorized official listed on R. William Buster, M.D. and Associates's NPPES record is Robert Buster, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is R. William Buster, M.D. and Associates's NPI active?
- Yes — R. William Buster, M.D. and Associates's NPI (1710030960) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.