James Austin Underwood, MD

Physical Medicine And Rehabilitation (CMS) · Jacksonville, FL

Call (904) 953-2000 Directions

At a glance

4500 San Pablo Rd S, Jacksonville, FL 32224-1865

NPPES record updated Sep 28, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

4500 San Pablo Rd S
Jacksonville, FL 32224-1865

Additional reported practice locations

21475 Ridgetop Cir Ste 150
Sterling, VA 201666580
Phone: 7034445000
Fax: 7034444999
25055 Riding Plz Ste 260
Chantilly, VA 201525922
Phone: 7032725000
Fax: 7039573804
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Georgetown University School Of Medicine
Graduation year
2017
CMS specialties
Physical Medicine And Rehabilitation

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$133.83General payments · 2025
5Reported transactions
4Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$133.83

Reporting companies

CompanyAmount
PACIRA PHARMACEUTICALS INCORPORATED$46.26
DEPUY SYNTHES SALES INC.$34.91
MOXIMED, INC$29.31
SOLVENTUM CORPORATION$23.35
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1912432022
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Registry details

Primary taxonomy
Physical Medicine And Rehabilitation (CMS)
Taxonomy code
2081S0010X
Enumeration date
Apr 26, 2017
Record updated
Sep 28, 2026
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Specialty details in registry

208100000X

License reported: ME182898 FL

Specialty details in registry

2081S0010X

License reported: 0101274225 VA

Specialty details in registry

2081S0010X · Primary

License reported: ME182898 FL

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone
(904) 953-2000
Mailing address
PO BOX 860912

MINNEAPOLIS, MN 554860912
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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