WOEI YEANG GARY ENG (MD) – Allergy & Immunology Physician, NPI 1154513018
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
91 ALLERGY/IMMUNOLOGY in MN
Provider Addresses for WOEI YEANG GARY ENG (MD)
Case Avenue, Saint Paul, Ramsey County, Minnesota, 55119, United States
SAINT PAUL, MN 551193308
Phone:
Type: Mailing
420 DELAWARE ST SE
MINNEAPOLIS, MN 554550341
Phone: (651) 624-0990
Fax: (651) 625-3238
Type: Location
2400 32ND AVE S
ALLERGY/ASTHMA CLINIC SOUTHPOINTE
FARGO, ND 58103
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $40.
Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.
Last reported payment date: 2024-10-30 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($22).
Total Amount
$40
General + Research + Ownership
Payments
2
Total payment records
General Amount
$40
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $22 |
| Genentech USA, Inc. | $18 |
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: 2012-06-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100705000014 | I | Allergy/Immunology | ND | TBD |
| I20120612000469 | I | Allergy/Immunology | MN | 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 | 1,152 | 35 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 495 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 72 | 66 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 68 | 66 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 54 | 54 | $0 |
Insurance plans in this area (ZIP 55119)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | MN | 95004 | Injection of allergenic extracts into skin, accessed through the skin | 1799 | 45 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | SD | |
| H O S P I T A L I S T | ND | |
| Certified Registered Nurse Anesthetist (Crna) | SD | |
| Certified Registered Nurse Anesthetist (Crna) | ND | |
| Hand Surgery | NH | |
| Hand Surgery, Orthopedic Surgery | ND | |
| Orthopedic Surgery | ND | |
| Certified Registered Nurse Anesthetist (Crna) | ND | |
| Nurse Practitioner | SD | |
| Physician Assistant | SD |
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