LOUIS A DIEFFENBACH (M.D.) – Obstetrics & Gynecology Physician, NPI 1699784587
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,538 OBSTETRICS/GYNECOLOGY in FL
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Provider Addresses for LOUIS A DIEFFENBACH (M.D.)
13215, Spring Hill Drive, Spring Hill, Hernando County, Florida, 34609, United States
SPRING HILL, FL 346095054
Phone: (352) 683-0232
Fax: (352) 683-0247
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 5 Open Payments records for all available years, with a total value of $189.
Total Amount is formed as General ($189) + Research ($0) + Ownership ($0) = $189.
Last reported payment date: 2024-09-16 • Largest payer in this snapshot: Astellas Pharma US Inc ($99).
Total Amount
$189
General + Research + Ownership
Payments
5
Total payment records
General Amount
$189
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-16
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: 2004-02-07
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 |
|---|---|---|---|---|
| I20040207000018 | I | Obstetrics/Gynecology | 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 |
|---|---|---|---|---|
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 227 | 227 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 114 | 114 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 111 | 72 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 16 | $0 |
| 81002 | Urinalysis, manual test | 12 | 12 | $0 |
Insurance plans in this area (ZIP 34609)
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