Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. SANFORD CHEN M.D.
NPI 1427051994
Ophthalmology in Santa Ana, CA

Q: What is Sanford Chen's NPI number?

The NPI number for Sanford Chen is 1427051994. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Q: What is Sanford 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 Sanford Chen was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 27, 2005PECOS Enrolled

100/100

CMS Quality Rating

1200 N TUSTIN AVE, STE 140, SANTA ANA, CA 92705(714) 972-8235 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Sanford Chen M.d. NPPES

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

DR. SANFORD CHEN M.D. (NPI 1427051994) is an individual ophthalmology provider in Santa Ana, California, licensed in California (G077086) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1987).

NPPES Registry Identity

NPI1427051994

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. SANFORD CHENCredential: M.D.

Location Address1200 N TUSTIN AVE, STE 140Santa Ana, CA 92705-3501

Mailing Address1200 N Tustin Ave, Ste 140Santa Ana, CA 92705-3501 · (714) 972-8235

Phone(714) 972-8235

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1987

Enumeration DateMay 27, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1427051994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · G077086

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.

1200 N TUSTIN AVE, Santa Ana, CA 92705

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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. Sanford 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 ID2062492846

PECOS Enrollment IDI20040722000515

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 18

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.

Injection, faricimab-svoa, 0.1 mg J2777

Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.

15,420 services52 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.

2,382 services879 patients

Extended exam of the back part of the eye with retinal drawing 92201

This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.

2,380 services882 patients

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.

1,733 services647 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

1,609 services265 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

1,558 services151 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

475 services391 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

346 services75 patients

Injection, dexamethasone, intravitreal implant, 0.1 mg J7312

This procedure involves placing a tiny implant into your eye. This implant slowly releases a medication called dexamethasone, which helps to reduce inflammation and swelling in the eye, improving vision and comfort.

196 services19 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

135 services135 patients

Exam of retinal blood vessels using a special camera after injection of a dye 92235

This procedure, known as a fluorescein angiography, involves taking images of the back of your eye. A dye is injected into your arm that travels to your eye, highlighting the blood vessels in your retina. This helps identify any abnormalities.

89 services89 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

60 services25 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

54 services26 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.

41 services37 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

17 services13 patients

Extended exam of the back part of the eye with optic nerve drawing 92202

This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.

14 services11 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.

12 services12 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

100/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Reported Quality Measures

Diabetes: Eye Exam

Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period

100%49 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.

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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. ROBERT WILSON MECKSTROTH D.D.S.

Dentist (General Practice)

1200 N TUSTIN AVE, SUITE# 110
SANTA ANA, CA 92705

Orange County (714) 973-1496

NORTH TUSTIN SURGERY CENTER, INC.

Clinic/Center (Ambulatory Surgical)

1200 N TUSTIN AVE, SUITE 155
SANTA ANA, CA 92705

Orange County (714) 543-3800

HALED HAJDARI DDS

Dentist (General Practice)

1200 N TUSTIN AVE, 110
SANTA ANA, CA 92705

Orange County (714) 973-1492

SANFORD L. RATNER DDS AND MONTY C.WILSON DDS INC.

Dentist (Oral and Maxillofacial Surgery)

1200 N TUSTIN AVE, SUITE 108
SANTA ANA, CA 92705

Orange County (714) 835-7771

TAKEO YAMAMOTO, DDS INC.

Dentist

1200 N TUSTIN AVE, SUITE 220
SANTA ANA, CA 92705

Orange County (714) 241-1714

DR. RICHARD ALLEN HILL M.D.

Ophthalmology

1200 N TUSTIN AVE, 240
SANTA ANA, CA 92705

Orange County (714) 542-0111

DR. ZAN IAN LEWIS M.D.

Orthopaedic Surgery

1200 N TUSTIN AVE, SUITE 250
SANTA ANA, CA 92705

Orange County (714) 558-7365

COMMUNITY OUTREACH MEDICAL SERVICES

Clinic/Center (Community Health)

1200 N TUSTIN AVE, SUITE 130
SANTA ANA, CA 92705

Orange County (657) 600-9077

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 Sanford Chen's NPI number?

The NPI number for Sanford Chen is 1427051994. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Sanford Chen located?

Sanford Chen practices at 1200 N Tustin Ave Ste 140, Santa Ana, CA 92705. The listed phone number is (714) 972-8235.

What is Sanford Chen's specialty?

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

Is Sanford Chen enrolled in Medicare?

Yes. Sanford 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 Sanford Chen was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.