Robert Buster, M.D.
NPI 1841343076 · Geriatric Medicine (Internal Medicine) Physician · Orange, CA
Robert Buster, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Orange, CA (NPI 1841343076).
Provider details
- NPI number
- 1841343076
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A24799 (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
- 2007-01-19
- Last updated
- 2021-10-15
- Certified
- 2021-10-15
Frequently asked questions
- What is Robert Buster's NPI number?
- Robert Buster's National Provider Identifier (NPI) is 1841343076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Buster's specialty?
- Robert Buster is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Buster located?
- Robert Buster's practice location on file with NPPES is 845 W La Veta Ave Ste 108, Orange, CA 92868-3930.
- What is Robert Buster's phone number?
- The practice phone number listed in the NPPES registry for Robert Buster is (714) 639-2600.
- Is Robert Buster's NPI active?
- Yes — Robert Buster's NPI (1841343076) is active in the NPPES registry as of the last update on 2021-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.