Organization
PROTO360, LLC
Active
Organization subpart
No
Provider details
NPI number
Authorized official
DR. KATRINA MATTINGLY MD (FOUNDING PARTNER)
(352) 339-3111
Entity
Organization
Contact information
Practice address
419 4TH ST, ANNAPOLIS, MD 21403-2585
(410) 823-8243
Mailing address
419 4TH ST, ANNAPOLIS, MD 21403-2585
Taxonomy
Speciality
Code
Description
License number
State
2083B0002X
Obesity Medicine (Preventive Medicine) Physician
Primary
—
—
261QU0200X
Urgent Care Clinic/Center
—
—
Other
Enumeration date
06/29/2026
Last updated
06/29/2026
Update your record
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 at https://nppes.cms.hhs.gov.
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