PHITHAO J NGUYEN (DO FAAFP) – Gastroenterology Physician, NPI 1740261585
Gastroenterology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
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Provider Addresses for PHITHAO J NGUYEN (DO FAAFP)
Within Holistic Counseling, 33, West Higgins Road, South Barrington, Barrington Township, Cook County, Illinois, 60010, United States
SUITE 820
SOUTH BARRINGTON, IL 600109115
Phone: (847) 426-4355
Fax: (847) 426-0047
Type: Mailing
711 W DEVON AVE
PARK RIDGE, IL 600684713
Phone: (847) 696-3176
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $605.
Total Amount is formed as General ($605) + Research ($0) + Ownership ($0) = $605.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABBVIE INC. ($275).
Total Amount
$605
General + Research + Ownership
Payments
23
Total payment records
General Amount
$605
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-11-19
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 |
|---|---|---|---|---|
| I20041119000197 | I | Gastroenterology | IL | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 413 | 133 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 74 | 69 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 32 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 41 | 41 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 40 | 40 | $0 |
Insurance plans in this area (ZIP 60010)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Internal Medicine | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Nurse Practitioner | IL | |
| Family Practice | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| Internal Medicine | IL | |
| Internal Medicine, Emergency Medicine | MI | |
| Family Practice, Emergency Medicine | IL |
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