DR. GUILLERMO S LUDI (M.D.) – Internal Medicine Physician, NPI 1124097126
Internal Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,527 INTERNAL MEDICINE in TN
Provider Addresses for DR. GUILLERMO S LUDI (M.D.)
103 REDBUD DR
SUITE E
PORTLAND, TN 371481617
Phone: (615) 325-1206
Fax: (615) 325-1245
Type: Mailing
1720 NASHVILLE PIKE STE 100
GALLATIN, TN 370663154
Phone: (615) 230-8601
Fax: (615) 230-8670
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 183 Open Payments records for all available years, with a total value of $2,934.
Total Amount is formed as General ($2,934) + Research ($0) + Ownership ($0) = $2,934.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Novo Nordisk Inc ($824).
Total Amount
$2,934
General + Research + Ownership
Payments
183
Total payment records
General Amount
$2,934
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $824 |
| PFIZER INC. | $461 |
| ABBVIE INC. | $417 |
| Exact Sciences Corporation | $216 |
| Lilly USA, LLC | $145 |
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: 2006-07-28
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 |
|---|---|---|---|---|
| I20060728000313 | I | Internal Medicine | TN | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 456 | 228 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 187 | 187 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 71 | 21 | $0 |
| 96160 | Administration and interpretation of patient-focused health risk assessment | 70 | 70 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 30 | $0 |
Insurance plans in this area (ZIP 37148)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | TN | 85610 | Blood test, clotting time | 192 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| Physician Assistant | TN | |
| Family Practice | TN | |
| Family Practice | IA | |
| Neurology, Physical Medicine And Rehabilitation | TN |
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