Ernesto Ruiz-Huidobro, MD
Allergy & Immunology Physician · Southlake, TX
Ernesto Ruiz-Huidobro, MD is an allergy & immunology physician with a practice address in Southlake, Texas, and NPI 1790730273, issued on May 23, 2006. Check the license (Texas K2579, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ernesto Ruiz-Huidobro
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- K2579 TX
Self-reported in NPPES; status is on the state search - Practice location
- 900 E Southlake Blvd Ste 300, Southlake, TX 76092
- Phone
- (817) 421-0770
- Enumerated
- May 23, 2006
- Record last updated
- Jan 9, 2024
- Fax
- (817) 421-4759
- Medicare enrollment
- Enrolled (PECOS I20220726003932); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 327 in Texas → Look up another NPI →
Also registered at 900 E Southlake Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisha DiazAllergy & Immunology Physician1609411222
- Haylee Hauser, PA-CPhysician Assistant1144920364
- Alayna Powers, NPNurse Practitioner1992281364
Verify Ernesto Ruiz-Huidobro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K2579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average allergy & immunology physician in 2024
1,637 Medicare Part D claims for 309 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Montelukast Sodium284 claims
- Azelastine Hcl278 claims
- Famotidine266 claims
- Omeprazole147 claims
- Breztri Aerosphere110 claims
- Albuterol Sulfate Hfa89 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: $2,871.14
116 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Texas Regional Asthma And Allergy CenterSouthlake, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernesto Ruiz-Huidobro among 327 allergy & immunology physician records in Texas
Ernesto Ruiz-Huidobro, MD is one of 327 allergy & immunology physician records with a practice address in Texas. 83% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1990 · median 2003 among the 228 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Texas
There are 327 allergy & immunology physician records in Texas.
All 327 in Texas → Every provider in Southlake → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Alisha DiazSouthlake, TX 760921609411222
- Natalia Chaimowitz, M.D., PH.DFort Worth, TX 761041306265590
- Sheva Chervinskiy, DOFort Worth, TX 761041508182213
- Robert Fenton, MDFort Worth, TX 761041114987013
- Shelly Harvey, MDFort Worth, TX 761041255325403
- Mudita Shah, MDFort Worth, TX 761041649492679
- Aubri Waters, M.D. - MAY 2012Fort Worth, TX 761041164795548
- Andrew Beaty, M.D.Fort Worth, TX 761091891848271
Common questions
What is Ernesto Ruiz-Huidobro, MD's NPI number?
Ernesto Ruiz-Huidobro, MD's National Provider Identifier (NPI) is 1790730273, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto Ruiz-Huidobro, MD located?
The NPPES record lists a practice address at 900 E Southlake Blvd Ste 300, Southlake, TX, 76092. Phone: (817) 421-0770. Providers update this record themselves, so call before visiting.
How can I verify Ernesto Ruiz-Huidobro, MD's license?
NPPES lists Texas license number K2579, 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 Ernesto Ruiz-Huidobro, MD prescribe under Medicare Part D?
In 2024, Ernesto Ruiz-Huidobro, MD had 1,637 Medicare Part D claims for 309 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.