1. Home
  2. Directory
  3. Oregon
  4. Eugene
  5. Allergy Immunology
  6. NPI Profile

DR. MAXWELL YISHENG LI M.D.
NPI 1114284015
Allergy & Immunology in Eugene, OR

Active since April 16, 2012PECOS EnrolledAccepts Medicare Assignment
1488 OAK ST, EUGENE, OR 97401(541) 683-1577(541) 344-6176 Get Directions Write a Review

NPPES record last updated: July 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 27, 2023, Mar 17, 2018, Sep 19, 2017 (3 updates tracked since 2017).

About Dr. Maxwell Yisheng Li M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAXWELL YISHENG LI M.D. (NPI 1114284015) is an individual allergy & immunology provider in Eugene, Oregon, licensed in Oregon (MD215470) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1114284015
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. MAXWELL YISHENG LICredential: M.D.
Location Address1488 OAK STEugene, OR 97401-4043
Mailing AddressPo Box 1517Pendleton, OR 97801-0410 · (877) 708-1119 · Fax (541) 278-8349
Phone(541) 683-1577
Fax(541) 344-6176
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2012
Enumeration DateApril 16, 2012
Last NPPES UpdateJuly 27, 20233 updates tracked since enumeration
NPPES CertifiedJuly 27, 2023
✔ NPI 1114284015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in OR · MD215470✔ Licensed in CO · DR.0058940
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
1488 OAK ST, Eugene, OR 97401
Open in Google Maps ↗

Secondary Practice Locations 2

Location 190 Health Park Dr # 170Louisville, CO 80027-9757 · Phone (303) 862-3303
Location 21361 Francis St Ste 101Longmont, CO 80501-2545 · Phone (720) 745-8437

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Maxwell Yisheng Li M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022325984
PECOS Enrollment IDI20230815004314
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Maxwell Li reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Praxis Health, PC
88 mi
Multi-Specialty
929 SW SIMPSON AVE, SUITE 300
Bend, OR 97702
  • Reassigned Medicare billing, Oregon enrollment
  • 120 clinicians in this Medicare group
NPI 1821068164 (541) 389-7741

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
916 services38 patients
Professional service for single injection of allergen 95115
A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.
373 services22 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
243 services24 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
175 services11 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
169 services120 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
95 services75 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center

Acute Care Hospitals · Roseburg, OR
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number380027
Location2700 NW Stewart ParkwayRoseburg, OR 97471 · Douglas County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers12 claims12 services$84.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASON HARLOW FRIESEN MD
Allergy & Immunology
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 683-1577
KIRK DOUGLAS JACOBSON M.D.
Internal Medicine
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 431-0000
OAK STREET MEDICAL P.C.
Allergy & Immunology
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 683-1577
KRAIG WARREN JACOBSON M.D.
Allergy & Immunology
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 683-1577
DR. SHEHZAD JINNAH MD
Internal Medicine
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 431-9500
OAK STREET MEDICAL
Nurse Practitioner (Family)
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 431-0000
ALICE H CHOU MD
Allergy & Immunology (Allergy)
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 683-1577
KATHERYN ELIZABETH BIRCH DO
Pediatrics (Pediatric Allergy/Immunology)
1488 OAK ST
EUGENE, OR 97401
Lane County (541) 683-1577

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maxwell Li's NPI number?

The NPI number for Maxwell Li is 1114284015. It was assigned to this individual provider in the NPPES registry on April 16, 2012.

Where is Maxwell Li located?

Maxwell Li practices at 1488 Oak St, Eugene, OR 97401. The listed phone number is (541) 683-1577.

What is Maxwell Li's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Maxwell Li enrolled in Medicare?

Yes. Maxwell Li is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Maxwell Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maxwell Li reassigns Medicare benefits to Praxis Health, PC (Bend, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maxwell Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maxwell Li accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Maxwell Li as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maxwell Li affiliated with any hospitals?

According to CMS data, Maxwell Li is affiliated with Mercy Medical Center.

When was this NPI record last updated?

The NPPES record for Maxwell Li was last updated on July 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.