Kahtan Kaissi, M.D.
NPI 1518999226 · Internal Medicine Physician · Nederland, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kahtan Kaissi, M.D. is a Internal Medicine Physician provider in Nederland, TX (NPI 1518999226).
Provider details
- NPI number
- 1518999226
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- K1491 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
932 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 284 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 256 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 225 | $78 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 126 | $12 |
| Urinalysis, Manual Test81002 | 24 | $3 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 491 | 134 |
| Levothyroxine Sodium | 436 | 119 |
| Amlodipine Besylate | 391 | 106 |
| Atorvastatin Calcium | 391 | 112 |
| Metformin Hcl | 387 | 110 |
| Simvastatin | 291 | 76 |
| Omeprazole | 252 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2011-12-21
Frequently asked questions
- What is Kahtan Kaissi's NPI number?
- Kahtan Kaissi's National Provider Identifier (NPI) is 1518999226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kahtan Kaissi's specialty?
- Kahtan Kaissi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kahtan Kaissi located?
- Kahtan Kaissi's practice location on file with NPPES is 1300 Franklin Ave, Nederland, TX 77627-3949.
- What is Kahtan Kaissi's phone number?
- The practice phone number listed in the NPPES registry for Kahtan Kaissi is (409) 722-3437.
- Does Kahtan Kaissi accept Medicare?
- Kahtan Kaissi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kahtan Kaissi's NPI active?
- Yes — Kahtan Kaissi's NPI (1518999226) is active in the NPPES registry as of the last update on 2011-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.