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MADELINE YUNG
NPI 1285098707
Ophthalmology in San Francisco, CA

Active since April 11, 2016PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
1001 POTRERO AVENUE, BLDG. 5, 4M, SAN FRANCISCO, CA 94110(628) 206-8304(415) 206-6122 Get Directions Write a Review

NPPES record last updated: August 6, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 6, 2021, Jul 6, 2020, Feb 6, 2020 (3 updates tracked since 2020).

About Madeline Yung NPPES

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

MADELINE YUNG (NPI 1285098707) is an individual ophthalmology provider in San Francisco, California, licensed in California (A152481) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Elk Grove, and is a graduate of University Of California, Geffen School Of Medicine (2016).

NPPES Registry Identity

NPI1285098707
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameMADELINE YUNG
Location Address1001 POTRERO AVENUE, BLDG. 5, 4MSan Francisco, CA 94110
Mailing Address1001 Potrero Avenue, Bldg. 5, 4mSan Francisco, CA 94110 · (628) 206-8304 · Fax (415) 206-6122
Phone(628) 206-8304
Fax(415) 206-6122
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2016
Enumeration DateApril 11, 2016
Last NPPES UpdateAugust 6, 20213 updates tracked since enumeration
NPPES CertifiedAugust 6, 2021
✔ NPI 1285098707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A152481
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X
1001 POTRERO AVENUE, BLDG. 5, 4M, San Francisco, CA 94110
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Secondary Practice Location 1

Location 110301 Nick WayElk Grove, CA 95757-5974 · Phone (925) 858-2755

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

Madeline Yung 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 ID6002241346
PECOS Enrollment IDI20200701001018
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.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
90 services70 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
75 services38 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
64 services53 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
59 services44 patients
Complex removal of cataract with insertion of prosthetic lens 66982
This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.
55 services47 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

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 Madeline Yung's NPI number?

The NPI number for Madeline Yung is 1285098707. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Where is Madeline Yung located?

Madeline Yung practices at 1001 Potrero Avenue, Bldg. 5, 4M, San Francisco, CA 94110. The listed phone number is (628) 206-8304.

What is Madeline Yung's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Madeline Yung enrolled in Medicare?

Yes. Madeline Yung 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.

When was this NPI record last updated?

The NPPES record for Madeline Yung was last updated on August 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.