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DENISE T LI NP
NPI 1245600774
Nurse Practitioner in Lafayette, CA

Active since September 27, 2015PECOS Enrolled
3694 HAPPY VALLEY RD, LAFAYETTE, CA 94549(925) 360-5835(925) 462-7258 Get Directions Write a Review

NPPES record last updated: September 27, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Denise T Li Np NPPES

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

DENISE T LI NP (NPI 1245600774) is an individual nurse practitioner in Lafayette, California, licensed in California (95001523) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245600774
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameDENISE T LICredential: NP
Location Address3694 HAPPY VALLEY RDLafayette, CA 94549-3040
Mailing AddressPo Box 1452Lafayette, CA 94549-1452 · (925) 360-5835 · Fax (925) 462-7258
Phone(925) 360-5835
Fax(925) 462-7258
Sole ProprietorYes
Enumeration DateSeptember 27, 2015
✔ NPI 1245600774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95001523
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 391756 (CA)
3694 HAPPY VALLEY RD, Lafayette, CA 94549
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Denise T Li Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Denise Li reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bay Area Neurointensivists Inc
5.8 mi
Critical Care Medicine
323 LENNON LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
NPI 1972149748 (925) 437-8841

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
32 services21 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
28 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94549 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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 Denise Li's NPI number?

The NPI number for Denise Li is 1245600774. It was assigned to this individual provider in the NPPES registry on September 27, 2015.

Where is Denise Li located?

Denise Li practices at 3694 Happy Valley Rd, Lafayette, CA 94549. The listed phone number is (925) 360-5835.

What is Denise Li's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Denise Li enrolled in Medicare?

Yes. Denise Li is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Denise Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Li reassigns Medicare benefits to Bay Area Neurointensivists Inc (Walnut Creek, 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 Denise Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Denise Li was last updated on September 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.