Alissa Welsh, MD
NPI 1831509116 · Allergy Physician · Webster, TX
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alissa Welsh, MD is a Allergy Physician provider in Webster, TX (NPI 1831509116).
Provider details
- NPI number
- 1831509116
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- S1951 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,389 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,038 | $4 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 912 | $8 |
| Professional Service for Multiple Injections of Allergen95117 | 429 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 318 | $126 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 300 | $15 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 134 | 38 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 110 | 23 |
| Ipratropium Bromide | 104 | 50 |
| Azelastine Hcl | 82 | 36 |
| Fluticasone Propionate | 67 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 64 | 40 |
| Mometasone Furoate | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,123 across 55 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1000 Oakland DrKalamazoo, MI 49008-1282Phone: (269) 337-4400
Registry dates
- Enumerated
- 2014-05-07
- Last updated
- 2020-01-24
- Certified
- 2020-01-24
Frequently asked questions
- What is Alissa Welsh's NPI number?
- Alissa Welsh's National Provider Identifier (NPI) is 1831509116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alissa Welsh's specialty?
- Alissa Welsh is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Alissa Welsh located?
- Alissa Welsh's practice location on file with NPPES is 561 W Medical Center Blvd Ste G, Webster, TX 77598-4240.
- What is Alissa Welsh's phone number?
- The practice phone number listed in the NPPES registry for Alissa Welsh is (281) 332-2348.
- Does Alissa Welsh accept Medicare?
- Alissa Welsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alissa Welsh's NPI active?
- Yes — Alissa Welsh's NPI (1831509116) is active in the NPPES registry as of the last update on 2020-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.