DR. WILLIAM J BARLOW (MD) – Gastroenterology Physician, NPI 1700073251
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,474 GASTROENTEROLOGY in FL
Provider Addresses for DR. WILLIAM J BARLOW (MD)
216 SOUTHPARK CIR E
ST AUGUSTINE, FL 320865135
Phone: (904) 824-6108
Fax: (904) 823-9613
Type: Mailing
4800 BELFORT RD
JACKSONVILLE, FL 322566004
Phone: (904) 398-7205
Type: Mailing
40 GROOVER LOOP STE 200
ST AUGUSTINE, FL 320866569
Phone: (904) 398-7205
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $806.
Total Amount is formed as General ($806) + Research ($0) + Ownership ($0) = $806.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: ABBVIE INC. ($351).
Total Amount
$806
General + Research + Ownership
Payments
47
Total payment records
General Amount
$806
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $351 |
| Merck Sharp & Dohme LLC | $195 |
| PFIZER INC. | $144 |
| AIMMUNE THERAPEUTICS, INC. | $30 |
| INTERCEPT PHARMACEUTICALS, INC. | $26 |
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: 2007-11-13
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20071113000375 | I | Gastroenterology | FL | TBD |
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.
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 244 | 206 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 215 | 170 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 108 | 102 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 108 | 108 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 93 | 93 | $0 |
Insurance plans in this area (ZIP 32086)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | FL | 45378 | Diagnostic examination of large bowel using an endoscope | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | FL | |
| P A T H O L O G Y | FL | |
| Gastroenterology, Internal Medicine | FL | |
| Gastroenterology, Internal Medicine | FL | |
| G A S T R O E N T E R O L O G Y | FL | |
| Internal Medicine, Gastroenterology | FL | |
| Internal Medicine, Gastroenterology | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL |
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