1. Home
  2. Directory
  3. New York
  4. Hempstead
  5. Anesthesiology
  6. NPI Profile

DR. WON LEE M.D.
NPI 1992167654
Anesthesiology in Hempstead, NY

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment
30 CATHEDRAL AVE APT 4B, HEMPSTEAD, NY 11550(415) 476-1000 Get Directions Write a Review

NPPES record last updated: February 24, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 24, 2019, Feb 16, 2019, Mar 22, 2016 (3 updates tracked since 2016).

About Dr. Won Lee M.d. NPPES

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

DR. WON LEE M.D. (NPI 1992167654) is an individual anesthesiology provider in Hempstead, New York, licensed in California (A153005) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Hofstra North Shore - Lij School Of Medicine (2016).

NPPES Registry Identity

NPI1992167654
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WON LEECredential: M.D.
Location Address30 CATHEDRAL AVE APT 4BHempstead, NY 11550-2015
Mailing Address2050 24th AveSan Francisco, CA 94116-1218
Phone(415) 476-1000
Sole ProprietorYes
Medical School CMSHofstra North Shore - Lij School Of MedicineGraduated 2016
Enumeration DateMarch 22, 2016
Last NPPES UpdateFebruary 24, 20193 updates tracked since enumeration
✔ NPI 1992167654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A153005
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
30 CATHEDRAL AVE APT 4B, Hempstead, NY 11550
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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. Won 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 ID3173872181
PECOS Enrollment IDI20220628001957
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

3

Medicare enrollment records show Won Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
2,593 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
2,593 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Anesthesia Medical Group
2,593 mi
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000

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

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 Won Lee's NPI number?

The NPI number for Won Lee is 1992167654. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Won Lee located?

Won Lee practices at 30 Cathedral Ave Apt 4B, Hempstead, NY 11550. The listed phone number is (415) 476-1000.

What is Won Lee's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Won Lee enrolled in Medicare?

Yes. Won 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 Won Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Won Lee reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, 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 Won 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 Won Lee was last updated on February 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.