NPI Registry
Learn about Stedi

Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.

Update your record
Individual

MALLORY WILLIAMS

Active
Find providers by NPI
Individual

MALLORY WILLIAMS

Active
Sole proprietor
No

Provider details

NPI number
Gender
Man
Credential
M.D.

Taxonomy

Speciality
Code
Description
License number
State
208600000X
Surgery Physician
227496
MA
208600000X
Surgery Physician
35.095349
OH
208600000X
Surgery Physician
MD041969
DC
2086S0102X
Surgical Critical Care Physician
35.095349
OH
2086S0127X
Trauma Surgery Physician
Primary
35.095349
OH

Other

Other identifiers
Code
Description
Identifier
Issuer
State
05
086515600
DC
05
1184071
LA
Enumeration date
07/31/2006
Last updated
01/14/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up
Product
  • Claims
  • Eligibility checks
  • EDI platform