DR. MAXWELL YISHENG LI (M.D.) – Allergy & Immunology Physician, NPI 1114284015
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
115 ALLERGY/IMMUNOLOGY in CO
Provider Addresses for DR. MAXWELL YISHENG LI (M.D.)
13001 E. 17TH PLACE
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE GME
AURORA, CO 800452581
Phone:
Type: Mailing
1361 FRANCIS ST STE 101
LONGMONT, CO 805012545
Phone: (720) 745-8437
Type: Location
PO BOX 1517
PENDLETON, OR 978010410
Phone: (877) 708-1119
Fax: (541) 278-8349
Type: Mailing
1488 OAK ST
EUGENE, OR 974014043
Phone: (541) 683-1577
Fax: (541) 344-6176
Type: Location
90 Health Park Dr # 170
Louisville, CO 800279757
Phone: (303) 862-3303
Type: Location
1361 Francis St Ste 101
Longmont, CO 805012545
Phone: (720) 745-8437
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $1,062.
Total Amount is formed as General ($1,062) + Research ($0) + Ownership ($0) = $1,062.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($349).
Total Amount
$1,062
General + Research + Ownership
Payments
51
Total payment records
General Amount
$1,062
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $349 |
| GENZYME CORPORATION | $114 |
| PFIZER INC. | $104 |
| GlaxoSmithKline, LLC. | $75 |
| Novartis Pharmaceuticals Corporation | $70 |
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: 2023-08-15
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20230815004314 | I | Allergy/Immunology | OR | 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 | 1,342 | 35 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 438 | 35 | $0 |
| 95117 | Professional service for multiple injections of allergen | 373 | 33 | $0 |
| 95115 | Professional service for single injection of allergen | 167 | 26 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 99 | 78 | $0 |
Insurance plans in this area (ZIP 80045)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | OR | |
| Nurse Practitioner | OR | |
| A L L E R G Y/ I M M U N O L O G Y | OR | |
| - | OR | |
| Family Practice | OR | |
| - | OR | |
| - | OR | |
| Physician Assistant | OR | |
| Family Practice | OR | |
| Nurse Practitioner | OR |
Reviews
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