WILLIAM O TATUM (DO) – Epilepsy Physician, NPI 1396764122

WILLIAM O TATUM (DO) is a healthcare provider. based in Jacksonville, Florida. specializing in EPILEPTOLOGISTS. They hold the professional credentials DO. They hold a License No. OS6003 (FL). The NPI Number for WILLIAM O TATUM (DO) is 1396764122

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM O TATUM (DO)
NPI
1396764122
Phone
Not provided
Address
4500 SAN PABLO RD S
Enumeration Date
19 July 2006
Last Update Date
31 July 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9049532000
Graduation Year
1985 (41 years ago)
PAC ID
1153475751
Group Practice PAC ID
5698689297
Professional Enrollment ID
I20090817000508
Address ID
FL322241865JA4500XSXXX500
Telehealth
Yes

Contacts

Secure Messaging
wtatum391979@ehrdirect.mayoclinicmsg.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

30 EPILEPTOLOGISTS in FL

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Provider Addresses for WILLIAM O TATUM (DO)

  • San Pablo Road South, San Pablo, Jacksonville, Duval County, Florida, 32224, United States

    JACKSONVILLE, FL 322241865

    Phone:

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 12 Open Payments records for all available years, with a total value of $13,780.

Total Amount is formed as General ($13,780) + Research ($0) + Ownership ($0) = $13,780.

Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Neurelis, Inc. ($12,874).

Total Amount

$13,780

General + Research + Ownership

Payments

12

Total payment records

General Amount

$13,780

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-13

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: 2009-08-17

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
I20090817000508IEpileptologistsFLTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
95720Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional6332$0
95816Measurement of brain wave activity (eeg), awake and drowsy4745$0
99215Established patient office or other outpatient visit, 40-54 minutes2924$0
95819Measurement of brain wave activity (eeg), awake and asleep2525$0
95813Measurement of brain wave activity (eeg), 61-119 minutes2424$0
View full utilization report →

Insurance plans in this area (ZIP 32224)

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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: 5698689297View full group profile
NameSpecialtyState
Physician AssistantFL
G A S T R O E N T E R O L O G YFL
Orthopedic SurgeryFL
Internal MedicineFL
Certified Registered Nurse Anesthetist (Crna)FL
Certified Registered Nurse Anesthetist (Crna)FL
Physician AssistantFL
Nurse PractitionerFL
-FL
Certified Registered Nurse Anesthetist (Crna)FL

Reviews

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Frequently asked questions

What is the registry number for WILLIAM O TATUM (DO)?
The registry entry for WILLIAM O TATUM (DO) shows NPI 1396764122.
Quick check: is WILLIAM O TATUM (DO) active?
Public NPPES data shows WILLIAM O TATUM (DO) with an active NPI status right now.
What does the directory say WILLIAM O TATUM (DO) does?
Insurance directories may phrase it differently, but here WILLIAM O TATUM (DO) maps to Epilepsy Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to WILLIAM O TATUM (DO)?
WILLIAM O TATUM (DO) shows a connection to Jacksonville, Florida in registry-derived data.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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