NPPES file of Aug 9, 2026

Amber Alexandria Carrillo, MD

Hospitalist Physician · Katy, TX

Amber Alexandria Carrillo, MD is a hospitalist physician with a practice address in Katy, Texas, and NPI 1700406501, issued on Apr 21, 2020. Check the license (Texas T9909, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700406501
Name
Amber Alexandria Carrillo
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
T9909 TX
Self-reported in NPPES; status is on the state search
Practice location
23900 Katy Fwy Ste W2100, Katy, TX 77494
Phone
(281) 644-8111
Enumerated
Apr 21, 2020
Record last updated
Nov 12, 2025
Fax
(281) 644-8144
Medicare enrollment
Enrolled (PECOS I20230725000728); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 23900 Katy Fwy Ste W2100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tope Ajibade, MDHospitalist Physician1740586411
  2. Mashal Awais, MDHospitalist Physician1659950160
  3. Tajdeep Dhindsa, M.D.Hospitalist Physician1992022081
  4. Mariam HassanHospitalist Physician1366024051
  5. Hayan Ibraheem, MDHospitalist Physician1801450127
  6. Sayyed Jaffri, M.D.Hospitalist Physician1548494016

Verify Amber Alexandria Carrillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T9909
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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13% fewer Medicare Part D claims than the average hospitalist physician in 2024

453 Medicare Part D claims for 244 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Amber Carrillo453
  2. Specialty average521

Most prescribed

  1. Prednisone30 claims
  2. Amoxicillin-Clavulanate Potass24 claims
  3. Atorvastatin Calcium20 claims
  4. Ciprofloxacin Hcl20 claims
  5. Furosemide19 claims
  6. Azithromycin18 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.

Bills Medicare through one group practice

  1. Memorial Hermann Medical GroupHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Amber Alexandria Carrillo among 1,587 hospitalist physician records in Texas

Amber Alexandria Carrillo, MD is one of 1,587 hospitalist physician records with a practice address in Texas. 90% 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 80% of them.

  • NPI issued2020 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2020 · median 2013 among the 1,298 with a school on file
  • Record last updated2025 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Texas

There are 1,587 hospitalist physician records in Texas.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Hibah AijazKaty, TX 774941154709665
  2. Tope Ajibade, MDKaty, TX 774941740586411
  3. Gheyath AlbadwiKaty, TX 774941881049500
  4. Nynke Den Hollander, MDKaty, TX 774941124271812
  5. Tajdeep Dhindsa, M.D.Katy, TX 774941992022081
  6. Nneamaka Enwemnwa, M.DKaty, TX 774941801026448
  7. Neil Gala, M.D.Katy, TX 774941659729028
  8. Sayyed Jaffri, M.D.Katy, TX 774941548494016

Common questions

What is Amber Alexandria Carrillo, MD's NPI number?

Amber Alexandria Carrillo, MD's National Provider Identifier (NPI) is 1700406501, issued on Apr 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Amber Alexandria Carrillo, MD located?

The NPPES record lists a practice address at 23900 Katy Fwy Ste W2100, Katy, TX, 77494. Phone: (281) 644-8111. Providers update this record themselves, so call before visiting.

How can I verify Amber Alexandria Carrillo, MD's license?

NPPES lists Texas license number T9909, 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 Amber Alexandria Carrillo, MD prescribe under Medicare Part D?

In 2024, Amber Alexandria Carrillo, MD had 453 Medicare Part D claims for 244 beneficiaries; the average among hospitalist physician prescribers was 521. 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.