DR. SOPHIA TZU-HUEI CHEN M.D.
NPI 1033183934
Ophthalmology in Oakland, CA

Q: What is Sophia Chen's NPI number?

The NPI number for Sophia Chen is 1033183934. It was assigned to this individual provider in the NPPES registry on February 15, 2006. The provider is also known as Dr. Sophia Tzu-Huei Tsai M.D..

Q: What is Sophia Chen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sophia Chen was last updated on August 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since February 15, 2006PECOS EnrolledAccepts Medicare Assignment

95.18/100

CMS Quality Rating

345 9TH ST, SUITE 204, OAKLAND, CA 94607(510) 350-8741(510) 879-6968 Get Directions Write a Review

NPPES record last updated: August 15, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Sophia Tzu-huei Chen M.d. NPPES

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

DR. SOPHIA TZU-HUEI CHEN M.D. (NPI 1033183934) is an individual ophthalmology provider in Oakland, California, licensed in California (A82768) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1998).

NPPES Registry Identity

NPI1033183934

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDR. SOPHIA TZU-HUEI CHENCredential: M.D.

Location Address345 9TH ST, SUITE 204Oakland, CA 94607-6522

Mailing Address345 9th St, Suite 204Oakland, CA 94607-6522 · (510) 350-8741 · Fax (510) 879-6968

Phone(510) 350-8741

Fax(510) 879-6968

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 1998

Enumeration DateFebruary 15, 2006

Last NPPES UpdateAugust 15, 2022

NPPES CertifiedAugust 15, 2022

✔ NPI 1033183934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A82768

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.

345 9TH ST, Oakland, CA 94607

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Other Names 1

Other Name (5)Dr. Sophia Tzu-huei Tsai M.d.

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

Dr. Sophia Tzu-huei Chen 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 ID1658409800

PECOS Enrollment IDI20100507000581

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 19

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 complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

1,047 services956 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

709 services645 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

704 services641 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

301 services301 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

277 services265 patients

Ultrasound scan to determine eye length and lens power 76519

An ultrasound scan for the eye is a safe, non-invasive procedure. It uses sound waves to create images of your eye's structure. This helps determine the length of your eye and the power of your lens, which is crucial for diagnosing eye conditions and planning surgeries.

215 services155 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

215 services155 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.

161 services115 patients

Laser repair to improve eye fluid flow 65855

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

152 services90 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

136 services115 patients

Incision to improve eye fluid flow 65820

This procedure, known as a trabeculectomy, involves creating a small opening in the eye to improve fluid flow. This can help lower eye pressure in conditions like glaucoma. It's a common, safe procedure to protect your eye health.

47 services35 patients

Dilation of fluid outflow drainage within eye 66174

Dilation to improve eye fluid flow is a process where eye drops are used to widen or dilate your pupils. This allows more fluid to flow out of the eye, reducing pressure and helping to prevent or treat conditions like glaucoma.

43 services35 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

42 services41 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.

34 services24 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.

25 services21 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

22 services20 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

19 services19 patients

Transplantation of fetal sac tissue to cornea 65780

Transplantation of fetal sac tissue to cornea is a procedure where tissue from a fetal sac is transferred to the eye's cornea. This helps to heal and restore vision in cases of corneal damage or disease. It's a safe procedure performed by skilled doctors.

13 services12 patients

New patient problem focused exam of visual system 92002

A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94607 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.

95.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Improvement Activities

Cost

67.29

Reported Quality Measures

Age-Related Macular Degeneration (AMD): Dilated Macular Examination

100%315 patients5/55-star benchmark: 100%

Diabetes: Eye Exam

100%711 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%3,011 patients5/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

98%1,715 patients4/55-star benchmark: 100%

Glaucoma Intraocular Pressure Reduction

77%409 patients

Primary Open-Angle Glaucoma (POAG): Optic Nerve Evaluation

100%880 patients

Primary Open-Angle Glaucoma (POAG): Reduction of Intraocular Pressure (IOP) by 15% OR Documentation of a Plan of Care

100%874 patients

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 1,784 patients

Patients totalRate: 0% · 1,784 patients

0%1,784 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 14

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

DR. DIANA C. FONG D.D.S.

Dentist (General Practice)

345 9TH ST, SUITE 304
OAKLAND, CA 94607

Alameda County (510) 270-0967

DR. ROGER K FUNG DDS

Dentist

345 9TH ST, SUITE 303
OAKLAND, CA 94607

Alameda County (510) 834-8892

DR. YING-YIEN MICHAEL LIN DDS

Student in an Organized Health Care Education/Training Program

345 9TH ST, SUITE #302
OAKLAND, CA 94607

Alameda County (510) 986-6888

XIAOGUANG HUANG M.D., PHD.

Internal Medicine

345 9TH ST, SUITE 307
OAKLAND, CA 94607

Alameda County (510) 663-9518

THOI PHU PHAN

Dentist (General Practice)

345 9TH ST, STE #206
OAKLAND, CA 94607

Alameda County (510) 465-4817

XINYI LIN L.AC.

Acupuncturist

345 9TH ST, 209
OAKLAND, CA 94607

Alameda County (510) 268-8898

SOPHIA T. CHEN, M.D. A PROFESSIONAL CORPORATION

Ophthalmology

345 9TH ST, SUITE 204
OAKLAND, CA 94607

Alameda County (510) 350-8741

DR. STEPHEN MING LEE DDS

Dentist (General Practice)

345 9TH ST, SUITE 304
OAKLAND, CA 94607

Alameda County (510) 272-0967

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 Sophia Chen's NPI number?

The NPI number for Sophia Chen is 1033183934. It was assigned to this individual provider in the NPPES registry on February 15, 2006. The provider is also known as Dr. Sophia Tzu-Huei Tsai M.D..

Where is Sophia Chen located?

Sophia Chen practices at 345 9th St Suite 204, Oakland, CA 94607. The listed phone number is (510) 350-8741.

What is Sophia Chen's specialty?

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

Is Sophia Chen enrolled in Medicare?

Yes. Sophia Chen 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 Sophia Chen was last updated on August 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.