Douglas Middleton, M.D.
NPI 1427138791 · Emergency Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Middleton, M.D. is a Emergency Medicine Physician provider in San Diego, CA (NPI 1427138791).
Provider details
- NPI number
- 1427138791
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F6954 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 1601 W 11th PlBig Spring, TX 79720-4114Phone: (800) 893-9698
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2020-10-15
- Certified
- 2020-10-15
Frequently asked questions
- What is Douglas Middleton's NPI number?
- Douglas Middleton's National Provider Identifier (NPI) is 1427138791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Middleton's specialty?
- Douglas Middleton is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Middleton located?
- Douglas Middleton's practice location on file with NPPES is 10243 Genetic Center Dr, San Diego, CA 92121-6310.
- What is Douglas Middleton's phone number?
- The practice phone number listed in the NPPES registry for Douglas Middleton is (619) 446-1861.
- Does Douglas Middleton accept Medicare?
- Douglas Middleton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Middleton's NPI active?
- Yes — Douglas Middleton's NPI (1427138791) is active in the NPPES registry as of the last update on 2020-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.