DR. KAHTAN A. KAISSI (M.D.) – Internal Medicine Physician, NPI 1518999226
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,297 INTERNAL MEDICINE in TX
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Provider Addresses for DR. KAHTAN A. KAISSI (M.D.)
1300, Franklin Avenue, Nederland, Jefferson County, Texas, 77627, United States
NEDERLAND, TX 776273949
Phone: (409) 722-3437
Fax: (409) 722-1281
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)
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: 2010-04-23
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 |
|---|---|---|---|---|
| I20100423000851 | I | Internal Medicine | TX | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 400 | 120 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 335 | 335 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 334 | 182 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 267 | 225 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 222 | 129 | $0 |
Insurance plans in this area (ZIP 77627)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | TX | 81002 | Urinalysis, manual test | 87 | 67 |
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