Katia Arnold, MD
Internal Medicine Physician · Houston, TX
Katia Arnold, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1336173517, issued on Jul 11, 2006. Check the license (Texas L3213, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katia Arnold
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L3213 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11800 Astoria Blvd, Houston, TX 77089
- Phone
- (281) 929-6100
- Enumerated
- Jul 11, 2006
- Record last updated
- Mar 12, 2026
- Medicaid IDs
- 180444508 TX
180444507 TX - Medicare enrollment
- Enrolled (PECOS I20040817000128); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 11800 Astoria Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katia Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3213Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
336 Medicare Part D claims for 163 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir32 claims
- Metoprolol Succinate18 claims
- Furosemide16 claims
- Pantoprazole Sodium15 claims
- Metoprolol Tartrate14 claims
- Atorvastatin Calcium12 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.
Industry payments in 2024: $23.93
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- XpertmdHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katia Arnold among 9,175 internal medicine physician records in Texas
Katia Arnold, MD 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
- Graduated1994 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 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).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
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Common questions
What is Katia Arnold, MD's NPI number?
Katia Arnold, MD's National Provider Identifier (NPI) is 1336173517, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katia Arnold, MD located?
The NPPES record lists a practice address at 11800 Astoria Blvd, Houston, TX, 77089. Phone: (281) 929-6100. Providers update this record themselves, so call before visiting.
How can I verify Katia Arnold, MD's license?
NPPES lists Texas license number L3213, 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 Katia Arnold, MD prescribe under Medicare Part D?
In 2024, Katia Arnold, MD had 336 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.