DR. GIANG TUONG NGUYEN (M.D.) – Internal Medicine Physician, NPI 1457349839
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
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Provider Addresses for DR. GIANG TUONG NGUYEN (M.D.)
2218, North Hobart Street, Pampa, Gray County, Texas, 79065, United States
PAMPA, TX 790653418
Phone: (806) 665-2525
Fax: (806) 665-2297
Type: Mailing
1400 E Downing St
Tahlequah, OK 744643324
Phone: (918) 458-2458
Fax: (918) 456-8886
Type: Location
6 13th Ave E
Polson, MT 598605315
Phone: (406) 883-5680
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2026-02-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20090421000185 | I | Internal Medicine | TX | TBD |
| I20220228001991 | I | Internal Medicine | OK | TBD |
| I20260226003653 | I | Internal Medicine | MT | 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 | 368 | 156 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 128 | 68 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 114 | 110 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 106 | 104 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 72 | 70 | $0 |
Insurance plans in this area (ZIP 79065)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Emergency Medicine, Internal Medicine, Hospitalist | TX | |
| Physician Assistant | TX | |
| - | NY | |
| - | TX | |
| Nurse Practitioner | MI | |
| Internal Medicine | NY | |
| Nurse Practitioner | TX | |
| - | TX |
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