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DR. ADA PING LEE M.D.
NPI 1558599514
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

Active since June 29, 2009PECOS EnrolledAccepts Medicare Assignment
80.58/100
CMS Quality Rating
400 PARNASSUS AVE, STE 550, SAN FRANCISCO, CA 94143(415) 353-8946(415) 353-2337 Get Directions Write a Review

NPPES record last updated: June 7, 2012. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Ada Ping Lee M.d. NPPES

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

DR. ADA PING LEE M.D. (NPI 1558599514) is an individual endocrinology, diabetes & metabolism provider in San Francisco, California, licensed in California (A119088) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2009).

NPPES Registry Identity

NPI1558599514
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. ADA PING LEECredential: M.D.
Location Address400 PARNASSUS AVE, STE 550San Francisco, CA 94143-1222
Mailing AddressBox 1222, 400 Pamassus Ave Ste 550San Francisco, CA 94143-1222 · (415) 353-8946 · Fax (415) 353-2337
Phone(415) 353-8946
Fax(415) 353-2337
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 2009
Enumeration DateJune 29, 2009
Last NPPES UpdateJune 7, 2012
✔ NPI 1558599514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A119088
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License ML 60093665 (WA)
400 PARNASSUS AVE, San Francisco, CA 94143
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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. Ada Ping 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 ID1052540408
PECOS Enrollment IDI20140204001518
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 Ada Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California Sfgh Medical Group
2.8 mi
Medical Oncology
995 POTRERO AVE, BLDG.80, RM 229
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 637 clinicians in this Medicare group
NPI 1356696215 (415) 476-4082
County Of Santa Clara
29 mi
Mental Health (Including Community Mental Health Center)
231 GRANT AVENUE
Palo Alto, CA 94306
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1144330614 (650) 321-5545

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 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.43
Promoting Interoperability100
Improvement Activities40
Cost46.5

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.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH
Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2560
DR. MARISSA A BOECK M.D.
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2161
DR. JACQUELINE EVA WEINSTEIN M.D.
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1000
TIFFANY PONG ROSS PA-C
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
SHINTARO TATEBE MSPT
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8574
DR. YVONNE W WU MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2813
DR. DAVID S. BRADFORD MD
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
DR. SANG-MO KANG MD
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1551

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 Ada Lee's NPI number?

The NPI number for Ada Lee is 1558599514. It was assigned to this individual provider in the NPPES registry on June 29, 2009.

Where is Ada Lee located?

Ada Lee practices at 400 Parnassus Ave Ste 550, San Francisco, CA 94143. The listed phone number is (415) 353-8946.

What is Ada Lee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ada Lee enrolled in Medicare?

Yes. Ada 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 Ada Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ada Lee reassigns Medicare benefits to 2 organizations: University Of California Sfgh Medical Group (San Francisco, CA) and County Of Santa Clara (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 Ada 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 Ada Lee was last updated on June 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.