SUNGJUN JOHN HWANG M.D.
NPI 1255334132
Ophthalmology in Canandaigua, NY

Q: What is Sungjun Hwang's NPI number?

The NPI number for Sungjun Hwang is 1255334132. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Q: What is Sungjun Hwang'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 Sungjun Hwang was last updated on June 6, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 24, 2005PECOS EnrolledAccepts Medicare Assignment

83.08/100

CMS Quality Rating

325 WEST ST, CANANDAIGUA, NY 14424(585) 394-2020(585) 394-9261 Get Directions Write a Review

NPPES record last updated: June 6, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 6, 2023, Mar 16, 2023, Sep 30, 2020 and 1 more (4 updates tracked since 2020).

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About Sungjun John Hwang M.d. NPPES

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

SUNGJUN JOHN HWANG M.D. (NPI 1255334132) is an individual ophthalmology provider in Canandaigua, New York, licensed in New York (202483) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Geneva General Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1255334132

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameSUNGJUN JOHN HWANGCredential: M.D.

Location Address325 WEST STCanandaigua, NY 14424-1723

Mailing Address325 West StCanandaigua, NY 14424-1723 · (585) 394-2020 · Fax (585) 394-9261

Phone(585) 394-2020

Fax(585) 394-9261

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1994

Enumeration DateMay 24, 2005

Last NPPES UpdateJune 6, 20234 updates tracked since enumeration

NPPES CertifiedJune 6, 2023

✔ NPI 1255334132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in NY · 202483

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.

325 WEST ST, Canandaigua, NY 14424

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Secondary Practice Locations 3

Location 11210 Driving Park AveNewark, NY 14513-1057 · Phone (585) 394-2020 · Fax (585) 394-9261

Location 2784 Pre Emption RdGeneva, NY 14456-2092 · Phone (585) 394-2020 · Fax (585) 394-9261

Location 31025 Brixton DrMacedon, NY 14502-8831 · Phone (585) 394-2020 · Fax (585) 394-9261

Other Identifiers 1

Medicaid01817225NY

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

Sungjun John Hwang 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 ID749316842

PECOS Enrollment IDI20100329000152

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 20

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.

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.

254 services166 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.

157 services154 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

135 services135 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.

134 services104 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.

121 services79 patients

Removal of cataract with insertion of prosthetic lens 66984

98 services63 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.

93 services92 patients

Release of arm or leg nerve 64708

A release of an arm or leg nerve is a surgical procedure aimed at relieving pressure on the nerve. This pressure can cause pain, numbness, or weakness. During the procedure, the surgeon makes a small incision and gently moves tissues away from the nerve. This can help restore normal function and alleviate discomfort.

88 services58 patients

Release of nerve using operating microscope 64727

This procedure, called a microsurgical nerve release, involves using a special microscope to enhance precision while freeing a trapped nerve. It can help alleviate pain and improve nerve function. It's a safe and effective method often used for conditions like carpal tunnel syndrome.

88 services58 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).

88 services82 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

80 services54 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.

75 services69 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.

74 services68 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.

46 services46 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.

25 services17 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

21 services21 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.

20 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 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.

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Geneva General Hospital

Acute Care Hospitals · Geneva, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330058

Location196 -198 North StreetGeneva, NY 14456 · Ontario County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14424 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

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.57 typical visit price

range $17.54 – $136.14

Typical copayment $17.14 (range $4.38 – $34.03)

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.

83.08/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

43.6

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

95%61 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

95%155 patients4/55-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.

FINGER LAKES HEARING CENTER

Clinic/Center (Hearing and Speech)

325 WEST ST, SUITE 102
CANANDAIGUA, NY 14424

Ontario County (315) 789-3595

MS. HOLLY BUTLER HINDMAN M.D.

Ophthalmology

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

FINGER LAKES OPHTHALMOLOGY, PC

Eyewear Supplier

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

JILLIAN G DINAN

Optometrist

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

DR. DAWN LOUISE PISELLO O.D.

Optometrist

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

CANANDAIGUA PEDIATRIC DENTISTRY ,PC

Dentist (Pediatric Dentistry)

325 WEST ST, SUITE 101
CANANDAIGUA, NY 14424

Ontario County (585) 394-4058

MICHAEL FIRLIT

Technician/Technologist (Optician)

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

FINGER LAKES OPHTHALMOLOGY, PC

Ophthalmology

325 WEST ST
CANANDAIGUA, NY 14424

Ontario County (585) 394-2020

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 Sungjun Hwang's NPI number?

The NPI number for Sungjun Hwang is 1255334132. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Sungjun Hwang located?

Sungjun Hwang practices at 325 West St, Canandaigua, NY 14424. The listed phone number is (585) 394-2020.

What is Sungjun Hwang's specialty?

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

Is Sungjun Hwang enrolled in Medicare?

Yes. Sungjun Hwang 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.

Is Sungjun Hwang affiliated with any hospitals?

According to CMS data, Sungjun Hwang is affiliated with Geneva General Hospital.

When was this NPI record last updated?

The NPPES record for Sungjun Hwang was last updated on June 6, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.