Don Smith, M.D.
NPI 1336222355 · Adult Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Don Smith, M.D. is a Adult Medicine Physician provider in Santa Ana, CA (NPI 1336222355).
Provider details
- NPI number
- 1336222355
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C27705 (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
- 2006-10-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Don Smith's NPI number?
- Don Smith's National Provider Identifier (NPI) is 1336222355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Smith's specialty?
- Don Smith is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Don Smith located?
- Don Smith's practice location on file with NPPES is 1125 E 17th St, Santa Ana, CA 92701-2201.
- What is Don Smith's phone number?
- The practice phone number listed in the NPPES registry for Don Smith is (714) 547-5801.
- Does Don Smith accept Medicare?
- Don Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Don Smith's NPI active?
- Yes — Don Smith's NPI (1336222355) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.