Medicare Enrolled

Dr. Alissa Welsh, MD

Allergy & Immunology · Webster, TX
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
561 W MEDICAL CENTER BLVD STE G, Webster, TX 77598
2813322348
Registered in NPPES since 2014
NPI: 1831509116 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Welsh from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Welsh

Dr. Alissa Welsh is an allergy & immunology specialist in Webster, TX, with 12 years of NPI registration. Based on federal Medicare data, Dr. Welsh performed 2,273 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Welsh received a total of $7,139 from 34 pharmaceutical and/or device companies across 362 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Welsh is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 12 years of NPI registration ▲ 2,273 Medicare services $7,139 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
2,273
Medicare services
Bottom 49% in TX for allergy & immunology
Not available
Unique patients (not deduplicated)
$16
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Allergy skin test
A diagnostic test performed to identify specific allergies by applying or introducing allergenic extracts to the body. The procedure measures the patient's immune response to various potential allergens.
1,243 $3 $11
Skin allergy test
A test where small amounts of potential allergens are injected into the skin to check for allergic reactions.
362 $6 $13
Allergy injection therapy, multiple injections
A professional service involving the administration of multiple allergen injections.
218 $8 $36
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
193 $95 $225
Allergy immunotherapy preparation
A professional service involving the preparation and administration of one or more antigens.
160 $12 $21
New patient office visit (45-59 min)
An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter.
54 $130 $262
Airflow rate measurement test
A test that measures the rate of airflow. This procedure assesses how quickly air moves.
28 $29 $90
Ear wax removal
A procedure to remove impacted ear wax from the ear canal.
15 $38 $87
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$7,139
Total received (2018-2024)
Avg $1,020/year across 7 years
Top 42% in TX for allergy & immunology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
34
Companies
362
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$1,123
2023
$1,488
2022
$1,027
2021
$1,185
2020
$966
2019
$887
2018
$463

Payments by company (2024)

GlaxoSmithKline, LLC.
$173
AstraZeneca Pharmaceuticals LP
$170
GENZYME CORPORATION
$147
Novartis Pharmaceuticals Corporation
$146
Takeda Pharmaceuticals U.S.A., Inc.
$108
Grifols USA, LLC
$80
CSL Behring
$52
PFIZER INC.
$40
Hikma Pharmaceuticals USA
$37
Blueprint Medicines Corporation
$35
Incyte Corporation
$33
HOSPIRA, INC.
$22
BioCryst US Sales Co., LLC
$20
Regeneron Healthcare Solutions, Inc.
$19
Galderma Laboratories, L.P.
$14
Phadia US Inc.
$13
Cycle Pharmaceuticals Inc
$11
Top 3 companies account for 43.6% of 2024 payments
All-time payments by company (2018-2024) ›
AstraZeneca Pharmaceuticals LP
$1,466
Takeda Pharmaceuticals U.S.A., Inc.
$751
GENZYME CORPORATION
$655
GlaxoSmithKline, LLC.
$643
CSL Behring
$618
Grifols USA, LLC
$468
Novartis Pharmaceuticals Corporation
$367
Regeneron Healthcare Solutions, Inc.
$281
Shire North American Group Inc
$247
Grifols Shared Services North America, Inc.
$225
PFIZER INC.
$217
kaleo, Inc.
$157
Incyte Corporation
$141
Genentech, Inc.
$120
OptiNose US, Inc.
$110
Acclarent, Inc
$108
Blueprint Medicines Corporation
$79
BioCryst US Sales Co., LLC
$76
Amgen Inc.
$48
Optinose US, Inc.
$41
Octapharma USA, Inc.
$38
Pharming Healthcare, Inc.
$38
Hikma Pharmaceuticals USA
$37
NOVARTIS PHARMACEUTICALS CORPORATION
$35
Teva Pharmaceuticals USA, Inc.
$26
HOSPIRA, INC.
$22
Horizon Pharma plc
$20
Aimmune Therapeutics, Inc.
$19
LEO Pharma Inc.
$18
Boehringer Ingelheim Pharmaceuticals, Inc.
$15
Galderma Laboratories, L.P.
$14
Phadia US Inc.
$13
ALK-Abello, Inc
$13
Cycle Pharmaceuticals Inc
$11
Top 3 companies account for 40.2% of all-time payments
Associated products mentioned in payments ›
ACTIMMUNE · ADBRY · AIRSUPRA · AREXVY · AUVI-Q · AYVAKIT · AirDuo Digihaler · BREZTRI · CINRYZE · CUTAQUIG · CUVITRU · DUPIXENT · EUCRISA · FASENRA · Gamunex-C · HYQVIA · Haegarda · Hizentra · ImmunoCAP · NUCALA · OCTAGAM IMMUNE GLOBULIN (HUMAN) · OPZELURA · ORLADEYO · Odactra · PALFORZIA · PANZYGA · RUCONEST · Ryaltris · SHINGRIX · SPIRIVA RESPIMAT · SYMBICORT · Sajazir · SpinPlus Navigation · TAKHZYRO · TEZSPIRE · TRELEGY ELLIPTA · XOLAIR · Xembify · Xhance · Xolair
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for an allergy & immunology specialist in Webster?
Compare allergy & immunologists in the Webster area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Allergy & immunologists in nearby ZIP areas
32
County median income
$73,104
Nearest hospital to ZIP centroid (approximate)
HCA HOUSTON HEALTHCARE CLEAR LAKE
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Welsh is a mixed practice specialist, with moderate Medicare volume.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Welsh experienced with allergy skin test?
Based on Medicare claims data, Dr. Welsh performed 1,243 allergy skin test services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Welsh receive payments from pharmaceutical companies?
Yes. Dr. Welsh received a total of $7,139 from 34 companies across 362 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Welsh's costs compare to other allergy & immunologists in Webster?
Dr. Welsh's average Medicare payment per service is $16. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Welsh) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →