STEVEN MING-HANN LEE D.O.
NPI 1912000829
Internal Medicine - Pulmonary Disease in Fontana, CA

Active since September 06, 2006PECOS EnrolledAccepts Medicare Assignment
9961 SIERRA AVE, FONTANA, CA 92335(833) 574-2273 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 20, 2025, May 9, 2024, Nov 29, 2021 (3 updates tracked since 2021).

About Steven Ming-hann Lee D.o. NPPES

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

STEVEN MING-HANN LEE D.O. (NPI 1912000829) is an individual pulmonary disease provider in Fontana, California, licensed in California (20A8552) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Western University Of Health Sciences College Of Dental Med (2002).

NPPES Registry Identity

NPI1912000829
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameSTEVEN MING-HANN LEECredential: D.O.
Location Address9961 SIERRA AVEFontana, CA 92335-6720
Mailing Address9961 Sierra AveFontana, CA 92335-6720 · (833) 574-2273
Sole ProprietorNo
Medical School CMSWestern University Of Health Sciences College Of Dental MedGraduated 2002
Enumeration DateSeptember 6, 2006
Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1912000829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · 20A8552
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
9961 SIERRA AVE, Fontana, CA 92335

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

Steven Ming-hann Lee D.o. 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 ID8527077049
PECOS Enrollment IDI20060411000819
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 Steven Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group

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

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
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Physical Therapist
9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335
Pediatrics
9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335
Pharmacist
9961 SIERRA AVE
FONTANA, CA 92335
Pathology (Dermatopathology)
9961 SIERRA AVE
FONTANA, CA 92335
Dietitian, Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Anesthetist, Certified Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335

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 Steven Lee's NPI number?

The NPI number for Steven Lee is 1912000829. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is Steven Lee located?

Steven Lee practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (833) 574-2273.

What is Steven Lee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Steven Lee enrolled in Medicare?

Yes. Steven 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 organization bills Medicare for Steven Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Lee reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, 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 Steven 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 Steven Lee was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.