Douglas Leigh, M.D.
NPI 1265530455 · Infectious Disease Physician · Springfield, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Leigh, M.D. is a Infectious Disease Physician provider in Springfield, IL (NPI 1265530455).
Provider details
- NPI number
- 1265530455
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-095322 (IL)
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
- 2006-09-20
- Last updated
- 2008-12-22
Frequently asked questions
- What is Douglas Leigh's NPI number?
- Douglas Leigh's National Provider Identifier (NPI) is 1265530455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Leigh's specialty?
- Douglas Leigh is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Leigh located?
- Douglas Leigh's practice location on file with NPPES is 301 N 8th St, Springfield, IL 62701-1041.
- What is Douglas Leigh's phone number?
- The practice phone number listed in the NPPES registry for Douglas Leigh is (217) 527-4720.
- Does Douglas Leigh accept Medicare?
- Douglas Leigh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Leigh's NPI active?
- Yes — Douglas Leigh's NPI (1265530455) is active in the NPPES registry as of the last update on 2008-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.