Karla Avila-Perez, MD
Internal Medicine Physician · San Antonio, TX
Karla Avila-Perez, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1124656442, issued on Mar 31, 2020. Check the license (Texas U4460, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karla Avila-Perez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- U4460 TX
Self-reported in NPPES; status is on the state search - Practice location
- 250 E Basse RD Ste 107, San Antonio, TX 78209
- Phone
- (210) 224-4811
- Enumerated
- Mar 31, 2020
- Record last updated
- Jul 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20231010004141); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 250 E Basse RD Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karla Avila-Perez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U4460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,398 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Levothyroxine Sodium117 claims
- Atorvastatin Calcium116 claims
- Amlodipine Besylate103 claims
- Rosuvastatin Calcium98 claims
- Lisinopril95 claims
- Losartan Potassium67 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,159.81
49 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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
- Methodist Physician Practices PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karla Avila-Perez among 9,175 internal medicine physician records in Texas
Karla Avila-Perez, 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · 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).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Heberto Garza, M.D.San Antonio, TX 782091487656427
- Dina Goytia-Leos, M.D.San Antonio, TX 782091275503526
- Elizabeth Lane, M.D.San Antonio, TX 782091649444035
- Melissa Medley, M.D.San Antonio, TX 782091750648895
- Uma Nair, M.D.San Antonio, TX 782091962475962
- Dennis Ruff, M.D.San Antonio, TX 782091003035718
- Bradley Shipman, M.D.San Antonio, TX 782091083616916
- Paul Smith, M.D.San Antonio, TX 782091770585176
Common questions
What is Karla Avila-Perez, MD's NPI number?
Karla Avila-Perez, MD's National Provider Identifier (NPI) is 1124656442, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karla Avila-Perez, MD located?
The NPPES record lists a practice address at 250 E Basse RD Ste 107, San Antonio, TX, 78209. Phone: (210) 224-4811. Providers update this record themselves, so call before visiting.
How can I verify Karla Avila-Perez, MD's license?
NPPES lists Texas license number U4460, 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 Karla Avila-Perez, MD prescribe under Medicare Part D?
In 2024, Karla Avila-Perez, MD had 2,398 Medicare Part D claims for 268 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karla Avila-Perez, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.