William Stillwell, M.D.
NPI 1437595675 · Adult Reconstructive Orthopaedic Surgery Physician · Lake Mary, FL
Enrolled with Medicare as Order and Referring Only - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Stillwell, M.D. is a Adult Reconstructive Orthopaedic Surgery Physician provider in Lake Mary, FL (NPI 1437595675).
Provider details
- NPI number
- 1437595675
- Entity type
- Individual
- Primary specialty
- Adult Reconstructive Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME89370 (FL)
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
13 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
- 2013-05-15
- Last updated
- 2013-05-15
Frequently asked questions
- What is William Stillwell's NPI number?
- William Stillwell's National Provider Identifier (NPI) is 1437595675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stillwell's specialty?
- William Stillwell is listed in the NPPES registry with a primary specialty of Adult Reconstructive Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Stillwell located?
- William Stillwell's practice location on file with NPPES is 4044 W Lake Mary Blvd, Lake Mary, FL 32746-2012.
- What is William Stillwell's phone number?
- The practice phone number listed in the NPPES registry for William Stillwell is (407) 455-2555.
- Does William Stillwell accept Medicare?
- William Stillwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Stillwell's NPI active?
- Yes — William Stillwell's NPI (1437595675) is active in the NPPES registry as of the last update on 2013-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.