1. Home
  2. Directory
  3. California
  4. San Mateo
  5. Emergency Medicine
  6. NPI Profile

DR. JAMES MUKUANG LEE M.D.
NPI 1154470789
Emergency Medicine in San Mateo, CA

Active since January 10, 2007PECOS EnrolledAccepts Medicare Assignment
100 S SAN MATEO DR, SAN MATEO, CA 94401(650) 696-4427 Get Directions Write a Review

NPPES record last updated: January 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. James Mukuang Lee M.d. NPPES

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

DR. JAMES MUKUANG LEE M.D. (NPI 1154470789) is an individual emergency medicine provider in San Mateo, California, licensed in California (A97062) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (2004).

NPPES Registry Identity

NPI1154470789
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES MUKUANG LEECredential: M.D.
Location Address100 S SAN MATEO DRSan Mateo, CA 94401-3805
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 696-4427
Phone(650) 696-4427
Sole ProprietorYes
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2004
Enumeration DateJanuary 10, 2007
Last NPPES UpdateJanuary 26, 2024
NPPES CertifiedJanuary 26, 2024
✔ NPI 1154470789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A97062
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
100 S SAN MATEO DR, San Mateo, CA 94401
Open in Google Maps ↗

Secondary Practice Location 1

Location 12315 Stockton Blvd, PSSB 2100Sacramento, CA 95817-2201 · Phone (916) 734-5010

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. James Mukuang Lee 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 ID8729146659
PECOS Enrollment IDI20081022000332
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 Reassignments

2

Medicare enrollment records show James Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
7.9 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000
Sutter Bay Medical Foundation
13 mi
Multi-Specialty
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1013950807 (650) 321-4121

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
73 services73 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.
72 services70 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
47 services47 patients
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.
43 services42 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
40 services40 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94401 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.

Other Providers at the Same Location NPPES 20

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

HARRIET BETH BOROFSKY M.D.
Radiology (Diagnostic Radiology)
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-4140
SUTTER BAY HOSPITALS
Psychiatric Unit
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-5400
CLAY HUGHES NAPPER M.D.
Radiology (Diagnostic Radiology)
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-4515
QUAN MY TRAN DO
Family Medicine
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-4515
VALERIE NOWAKOWSKI MD
Radiology (Radiation Oncology)
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 336-8117
JEFFREY J. GUTTAS. MD, INC.
Allergy & Immunology
100 S SAN MATEO DR, STE 400
SAN MATEO, CA 94401
San Mateo County (650) 696-4101
DR. JEFFREY JOHN GUTTAS M.D.
Internal Medicine (Cardiovascular Disease)
100 S SAN MATEO DR, SUITE 400
SAN MATEO, CA 94401
San Mateo County (650) 696-4100
HAIDEE SUI DPT
Physical Therapist
100 S SAN MATEO DR
SAN MATEO, CA 94401
San Mateo County (650) 696-4315

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 James Lee's NPI number?

The NPI number for James Lee is 1154470789. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is James Lee located?

James Lee practices at 100 S San Mateo Dr, San Mateo, CA 94401. The listed phone number is (650) 696-4427.

What is James Lee's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Lee enrolled in Medicare?

Yes. James Lee 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 organizations bill Medicare for James Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Lee reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and Sutter Bay Medical Foundation (Palo Alto, CA). Each 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 James Lee'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 James Lee was last updated on January 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.