PATRICK UNDERWOOD (MD) – Surgical Oncology Physician, NPI 1639524473

PATRICK UNDERWOOD (MD) is a healthcare provider. based in Gainesville, Florida. specializing in GENERAL SURGERY, SURGICAL ONCOLOGY. They hold the professional credentials MD. They hold a License No. 173461 (FL). The NPI Number for PATRICK UNDERWOOD (MD) is 1639524473

Main info

Male
Sole Proprietor
10 Years Of Experience
Accepts Medicare Assignment
Name
PATRICK UNDERWOOD (MD)
NPI
1639524473
Phone
(352) 265-0916
Address
PO BOX 100287
Enumeration Date
29 April 2016
Last Update Date
31 January 2026

Doctor Profile

Medical School Name
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Secondary Phone
3522658982
Graduation Year
2016 (10 years ago)
PAC ID
9931496924
Group Practice PAC ID
0345146254
Professional Enrollment ID
I20250820005118
Address ID
FL326081532GA2001XSTXX401
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience49
Completeness85
Years active:10State licenses:1Digital endpointsOther names

2,163 GENERAL SURGERY in FL

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Provider Addresses for PATRICK UNDERWOOD (MD)

  • PO BOX 100287

    SURGERY EDUCATION OFFICE

    GAINESVILLE, FL 326100287

    Phone: (352) 265-0916

    Type: Mailing

  • UF Health Shands Hospital, 1600, Archer Road, Gainesville, Alachua County, Florida, 32608, United States

    GAINESVILLE, FL 326103003

    Phone: (352) 265-0916

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $449.

Total Amount is formed as General ($449) + Research ($0) + Ownership ($0) = $449.

Last reported payment date: 2024-09-07 • Largest payer in this snapshot: Dilon Technologies, Inc. ($283).

Total Amount

$449

General + Research + Ownership

Payments

7

Total payment records

General Amount

$449

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-08-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250820005118IGeneral SurgeryFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 32610)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0345146254View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm PATRICK UNDERWOOD (MD)'s NPI?
Yes. PATRICK UNDERWOOD (MD) is listed with NPI 1639524473 in the public NPI dataset.
Can I rely on PATRICK UNDERWOOD (MD) being an active provider?
As of the registry snapshot, PATRICK UNDERWOOD (MD) is marked active.
What healthcare role does PATRICK UNDERWOOD (MD) hold?
Scheduling teams often label PATRICK UNDERWOOD (MD) under Surgical Oncology Physician. Clinical services aligned with this taxonomy classification.
Does PATRICK UNDERWOOD (MD) list a practice location?
Patients near Gainesville, Florida may find PATRICK UNDERWOOD (MD) in results; validate coverage separately.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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