DR. ALISSA WELSH (MD) – Allergy Physician, NPI 1831509116
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
177 ALLERGY/IMMUNOLOGY in MI
Provider Addresses for DR. ALISSA WELSH (MD)
1000 Oakland Dr
Kalamazoo, MI 490081282
Phone: (269) 337-4400
Type: Location
561 W MEDICAL CENTER BLVD STE G
WEBSTER, TX 775984240
Phone: (281) 332-2348
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 139 Open Payments records for all available years, with a total value of $2,611.
Total Amount is formed as General ($2,611) + Research ($0) + Ownership ($0) = $2,611.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($441).
Total Amount
$2,611
General + Research + Ownership
Payments
139
Total payment records
General Amount
$2,611
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $441 |
| GENZYME CORPORATION | $403 |
| GlaxoSmithKline, LLC. | $337 |
| Novartis Pharmaceuticals Corporation | $287 |
| CSL Behring | $137 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-09-10
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190910003311 | I | Allergy/Immunology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 1,243 | 20 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 362 | 12 | $0 |
| 95117 | Professional service for multiple injections of allergen | 218 | 21 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 193 | 116 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 160 | 14 | $0 |
Insurance plans in this area (ZIP 49008)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| Physician Assistant | TX | |
| - | TX | |
| Nurse Practitioner | LA | |
| O T O L A R Y N G O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX | |
| A L L E R G Y/ I M M U N O L O G Y | TX |
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