Douglas Lange, M.D.
NPI 1003865064 · Orthopaedic Surgery Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Lange, M.D. is a Orthopaedic Surgery Physician provider in Walnut Creek, CA (NPI 1003865064).
Provider details
- NPI number
- 1003865064
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C34891 (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
20 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
- 2006-05-08
- Last updated
- 2020-09-17
- Certified
- 2020-09-17
Frequently asked questions
- What is Douglas Lange's NPI number?
- Douglas Lange's National Provider Identifier (NPI) is 1003865064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Lange's specialty?
- Douglas Lange is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Lange located?
- Douglas Lange's practice location on file with NPPES is 2405 Shadelands Dr, Walnut Creek, CA 94598-2444.
- What is Douglas Lange's phone number?
- The practice phone number listed in the NPPES registry for Douglas Lange is (925) 939-8585.
- Does Douglas Lange accept Medicare?
- Douglas Lange is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Lange's NPI active?
- Yes — Douglas Lange's NPI (1003865064) is active in the NPPES registry as of the last update on 2020-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.