Kahtan A. Kaissi, M.D.
Internal Medicine Physician · Nederland, TX
Kahtan A. Kaissi, M.D. is an internal medicine physician with a practice address in Nederland, Texas, and NPI 1518999226, issued on Jul 6, 2006. Check the license (Texas K1491, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kahtan A. Kaissi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K1491 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Franklin Ave, Nederland, TX 77627
- Phone
- (409) 722-3437
- Enumerated
- Jul 6, 2006
- Record last updated
- Dec 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (409) 722-1281
- Medicaid ID
- 0970154-01 TX
- Medicare enrollment
- Enrolled (PECOS I20100423000851); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Kahtan A. Kaissi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K1491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,222 Medicare Part D claims for 847 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 94 claims were for opioids.
Most prescribed
- Losartan Potassium491 claims
- Levothyroxine Sodium436 claims
- Amlodipine Besylate391 claims
- Atorvastatin Calcium391 claims
- Metformin Hcl387 claims
- Simvastatin291 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 32.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Kahtan A. Kaissi among 9,175 internal medicine physician records in Texas
Kahtan A. Kaissi, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 2004 among the 6,088 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Nederland
They are 9 of the 178 NPPES records with a practice address in Nederland, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Nederland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Badlissi, MDNederland, TX 776271578753265
- Michael Badlissi, M.D.Nederland, TX 776271770710337
- Kristopher Dela Cruz, M.D.Nederland, TX 776271821403809
- William George, M.D.Nederland, TX 776271144229659
- Michael McMahon, M.D.Nederland, TX 776271548240641
- William Novelli, MD, MPHNederland, TX 776271679571319
- Sreedhar Polavarapu, M.D.Nederland, TX 776271427040815
- Michael Thomas, MDNederland, TX 776271801955349
Common questions
What is Kahtan A. Kaissi, M.D.'s NPI number?
Kahtan A. Kaissi, M.D.'s National Provider Identifier (NPI) is 1518999226, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kahtan A. Kaissi, M.D. located?
The NPPES record lists a practice address at 1300 Franklin Ave, Nederland, TX, 77627. Phone: (409) 722-3437. Providers update this record themselves, so call before visiting.
How can I verify Kahtan A. Kaissi, M.D.'s license?
NPPES lists Texas license number K1491, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kahtan A. Kaissi, M.D. prescribe under Medicare Part D?
In 2024, Kahtan A. Kaissi, M.D. had 10,222 Medicare Part D claims for 847 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kahtan A. Kaissi, M.D.'s MIPS final score?
The 2023 MIPS final score is 32.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.