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MAGGIE HSIN-I LEE MD
NPI 1609001551
Family Medicine - Geriatric Medicine in San Francisco, CA

Active since May 21, 2009PECOS Enrolled
101 MISSION ST STE 800, SAN FRANCISCO, CA 94105(800) 221-5140(415) 231-5332 Get Directions Write a Review

NPPES record last updated: June 10, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 10, 2024, Mar 17, 2018, Dec 4, 2015 (3 updates tracked since 2015).

About Maggie Hsin-i Lee Md NPPES

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

MAGGIE HSIN-I LEE MD (NPI 1609001551) is an individual geriatric medicine provider in San Francisco, California, licensed in California (C163543) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Drexel University College Of Medicine (2009).

NPPES Registry Identity

NPI1609001551
Entity TypeIndividualFemale
Primary Taxonomy207QG0300X
Provider Legal NameMAGGIE HSIN-I LEECredential: MD
Location Address101 MISSION ST STE 800San Francisco, CA 94105-1744
Mailing Address101 Mission St Ste 800San Francisco, CA 94105-1744 · (800) 221-5140 · Fax (415) 231-5332
Phone(800) 221-5140
Fax(415) 231-5332
Sole ProprietorNo
Medical School CMSDrexel University College Of MedicineGraduated 2009
Enumeration DateMay 21, 2009
Last NPPES UpdateJune 10, 20243 updates tracked since enumeration
NPPES CertifiedJune 10, 2024
✔ NPI 1609001551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
Licenses✔ Licensed in CA · C163543✔ Licensed in CT · 056840✔ Licensed in DC · MD043583✔ Licensed in PA · MT446703
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 056840 (CT)
101 MISSION ST STE 800, San Francisco, CA 94105
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11354 Chapel StNew Haven, CT 06511-4420 · Phone (203) 867-8300 · Fax (203) 867-5620
Location 2110 Irving St NWWashington, DC 20010-3017 · Phone (202) 877-0576 · Fax (202) 877-6630

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maggie Hsin-i Lee Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5890945216
PECOS Enrollment IDI20250724001908
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 Maggie Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Whc Emerg Phys
2,440 mi
Emergency Medical Services
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Whc Physician Group LLC
  • 613 clinicians in this Medicare group
NPI 1306260625 (703) 558-1544

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 94105 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 17

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

PLUSHCARE PHYSICIANS GROUP OF KANSAS, LLC
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (415) 231-5333
FATIMAH OMAR JAH MD
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5140
DR. JESSICA L SABERMAN MD
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5442
DR. LAUREN SHEARD WIAFE-ABABIO MD, MPH
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5140
SARAH JEAN RISTVEDT MD
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5140
DR. STEVEN GROKE MD
Emergency Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5140
SUNITI KUMAR M.D.
Family Medicine
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (800) 221-5140
DR. ALISHA GOODRUM M.D.
Internal Medicine (Addiction Medicine)
101 MISSION ST STE 800
SAN FRANCISCO, CA 94105
San Francisco County (415) 231-5333

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 Maggie Lee's NPI number?

The NPI number for Maggie Lee is 1609001551. It was assigned to this individual provider in the NPPES registry on May 21, 2009.

Where is Maggie Lee located?

Maggie Lee practices at 101 Mission St Ste 800, San Francisco, CA 94105. The listed phone number is (800) 221-5140.

What is Maggie Lee's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Maggie Lee enrolled in Medicare?

Yes. Maggie Lee is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maggie Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maggie Lee reassigns Medicare benefits to Whc Emerg Phys (Washington, DC). 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 Maggie 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 Maggie Lee was last updated on June 10, 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.