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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN XUELIN LI M.D.
NPI 1235665589
Internal Medicine in Davis, CA

Active since May 05, 2017PECOS EnrolledAccepts Medicare Assignment
684 HUTCHISON DR, DAVIS, CA 95616(530) 297-2330(210) 479-2010 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2026, Sep 5, 2023, Sep 12, 2021 and 2 more (5 updates tracked since 2021).

About John Xuelin Li M.d. NPPES

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

JOHN XUELIN LI M.D. (NPI 1235665589) is an individual internal medicine provider in Davis, California, licensed in California (A187640) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2017).

NPPES Registry Identity

NPI1235665589
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN XUELIN LICredential: M.D.
Location Address684 HUTCHISON DRDavis, CA 95616
Mailing Address684 Hutchison DrDavis, CA 95616 · (530) 297-2330 · Fax (530) 297-2354
Phone(530) 297-2330
Fax(210) 479-2010
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 2017
Enumeration DateMay 5, 2017
Last NPPES UpdateSeptember 16, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1235665589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A187640
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License A187640 (CA)
684 HUTCHISON DR, Davis, CA 95616
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

John Xuelin 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 ID3577831130
PECOS Enrollment IDI20231227001423
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 John Li reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
2.1 mi
Multi-Specialty
2660 W COVELL BLVD
Davis, CA 95616
  • Reassigned Medicare billing, California enrollment
  • 918 clinicians in this Medicare group
NPI 1912987553 (530) 747-3000

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 12

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
365 services275 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.
218 services143 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
55 services55 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
51 services51 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
42 services42 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
30 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95616 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers37 claims37 services$28.78 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 John Li's NPI number?

The NPI number for John Li is 1235665589. It was assigned to this individual provider in the NPPES registry on May 5, 2017.

Where is John Li located?

John Li practices at 684 Hutchison Dr, Davis, CA 95616. The listed phone number is (530) 297-2330.

What is John Li's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Li enrolled in Medicare?

Yes. John 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 John Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Li reassigns Medicare benefits to Regents Of The University Of California (Davis, CA). 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 John Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Li accept?

Health plans from Blue Cross and Blue Shield of Texas list John 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.

When was this NPI record last updated?

The NPPES record for John Li was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.