Alisha Diane Diaz
Allergy & Immunology Physician · Southlake, TX
Alisha Diane Diaz is an allergy & immunology physician with a practice address in Southlake, Texas, and NPI 1609411222, issued on Nov 7, 2019. Check the license (Texas PA13170, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alisha Diane Diaz
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- PA13170 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
- Nov 7, 2019
- Record last updated
- Apr 11, 2022
- Fax
- (817) 421-4759
- 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.
- Haylee Hauser, PA-CPhysician Assistant1144920364
- Alayna Powers, NPNurse Practitioner1992281364
- Ernesto Ruiz-Huidobro, MDAllergy & Immunology Physician1790730273
Verify Alisha Diane Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license PA13170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
149 Medicare Part D claims for 64 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Montelukast Sodium25 claims
- Trelegy Ellipta18 claims
- Albuterol Sulfate Hfa12 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: $3,155.49
125 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.
Alisha Diane Diaz among 327 allergy & immunology physician records in Texas
Alisha Diane Diaz 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 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2022 · 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
- Ernesto Ruiz-Huidobro, MDSouthlake, TX 760921790730273
- 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 Alisha Diane Diaz's NPI number?
Alisha Diane Diaz's National Provider Identifier (NPI) is 1609411222, issued on Nov 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alisha Diane Diaz 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 Alisha Diane Diaz's license?
NPPES lists Texas license number PA13170, 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 Alisha Diane Diaz prescribe under Medicare Part D?
In 2024, Alisha Diane Diaz had 149 Medicare Part D claims for 64 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.