NPPES file of Aug 9, 2026

Alissa Welsh, MD

Allergy Physician · Webster, TX

Alissa Welsh, MD is an allergy physician with a practice address in Webster, Texas, and NPI 1831509116, issued on May 7, 2014. Check the license (Texas S1951, 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
1831509116
Name
Alissa Welsh
Credential
MD
Primary taxonomy
Allergy Physician 207KA0200X
License numbers
S1951 TX
306318 LA
4301105012 MI
Self-reported in NPPES; status is on the state search
Practice location
561 W Medical Center Blvd Ste G, Webster, TX 77598
Phone
(281) 332-2348
Enumerated
May 7, 2014
Record last updated
Jan 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190910003311); 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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Verify Alissa Welsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S1951
    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

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54% more Medicare Part D claims than the average allergy physician in 2024

1,152 Medicare Part D claims for 250 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Alissa Welsh1,152
  2. Specialty average750

Most prescribed

  1. Montelukast Sodium134 claims
  2. Trelegy Ellipta110 claims
  3. Ipratropium Bromide104 claims
  4. Azelastine Hcl82 claims
  5. Fluticasone Propionate67 claims
  6. Albuterol Sulfate Hfa64 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: $1,122.80

55 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alissa Welsh$1,122.80
  2. Specialty average$9,080.33

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

  1. Allergy And Ent Associates PLLCWebster, TX

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

Allergy Physician providers in Texas

There are 76 allergy physician records in Texas.

Other allergy physician records in Texas

  1. Stuart Abramson, M.D.San Angelo, TX1710984893
  2. Sasha Alvarado, D.O.Murphy, TX1417377839
  3. Sheila Amar, M.D.Georgetown, TX1003962689
  4. Aneesh Angirekula, MDHouston, TX1770046146
  5. Susan Bailey, M.D.Fort Worth, TX1396722583
  6. Shahid Bangash, M.D.Brownsville, TX1235204082
  7. Suzanne Beck, M.D.Lubbock, TX1861597973
  8. Vasudeva Bommanna, MDNacogdoches, TX1477594836
  9. Erin Clarke, MDDallas, TX1285843599
  10. Renee Clary, PA-CBellaire, TX1841474459

Common questions

What is Alissa Welsh, MD's NPI number?

Alissa Welsh, MD's National Provider Identifier (NPI) is 1831509116, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Alissa Welsh, MD located?

The NPPES record lists a practice address at 561 W Medical Center Blvd Ste G, Webster, TX, 77598. Phone: (281) 332-2348. Providers update this record themselves, so call before visiting.

How can I verify Alissa Welsh, MD's license?

NPPES lists Texas license number S1951, 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 Alissa Welsh, MD prescribe under Medicare Part D?

In 2024, Alissa Welsh, MD had 1,152 Medicare Part D claims for 250 beneficiaries; the average among allergy physician prescribers was 750. 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.