NATHAN HOYOON LEE MD
NPI 1881223915
Otolaryngology in Fontana, CA

Q: What is Nathan Lee's NPI number?

The NPI number for Nathan Lee is 1881223915. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Q: What is Nathan Lee's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Lee was last updated on November 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.

Active since April 01, 2020PECOS EnrolledAccepts Medicare Assignment

9961 SIERRA AVE, FONTANA, CA 92335(866) 454-3485 Get Directions Write a Review

NPPES record last updated: November 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 23, 2025, Apr 1, 2020 (2 updates tracked since 2020).

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About Nathan Hoyoon Lee Md NPPES

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

NATHAN HOYOON LEE MD (NPI 1881223915) is an individual otolaryngology provider in Fontana, California, licensed in California (203752) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ontario, and is a graduate of Loma Linda University School Of Medicine (2020).

NPPES Registry Identity

NPI1881223915

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameNATHAN HOYOON LEECredential: MD

Location Address9961 SIERRA AVEFontana, CA 92335-6720

Mailing Address9961 Sierra AveFontana, CA 92335-6720 · (866) 454-3485

Phone(866) 454-3485

Sole ProprietorYes

Medical School CMSLoma Linda University School Of MedicineGraduated 2020

Enumeration DateApril 1, 2020

Last NPPES UpdateNovember 23, 20252 updates tracked since enumeration

NPPES CertifiedNovember 23, 2025

✔ NPI 1881223915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · 203752

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

9961 SIERRA AVE, Fontana, CA 92335

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Secondary Practice Location 1

Location 12295 S Vineyard AveOntario, CA 91761-7925 · Phone (866) 454-3485

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathan Hoyoon Lee Md 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 ID2860819349

PECOS Enrollment IDI20260108002548

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92335 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

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.

SHEILA ANN VANALLEN PT

Physical Therapist

9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335

San Bernardino County (909) 427-7727

MR. JAMES DAVID KILLEEN III M.D.

Pediatrics

9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335

San Bernardino County (909) 427-6960

MR. DHIRESH N PATEL RPH

Pharmacist