DR. RYAN NELSON MERCER MD
NPI 1598129298
Ophthalmology in Columbia, SC

Q: What is Ryan Mercer's NPI number?

The NPI number for Ryan Mercer is 1598129298. It was assigned to this individual provider in the NPPES registry on April 8, 2016.

Q: What is Ryan Mercer'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 Ryan Mercer was last updated on July 7, 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.

Active since April 08, 2016PECOS EnrolledAccepts Medicare Assignment

1655 BERNARDIN AVE STE 100, COLUMBIA, SC 29204(803) 256-0641(803) 779-3649 Get Directions Write a Review

NPPES record last updated: July 7, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2021, Jun 8, 2021, Oct 26, 2020 (3 updates tracked since 2020).

On this page

About Dr. Ryan Nelson Mercer Md NPPES

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

DR. RYAN NELSON MERCER MD (NPI 1598129298) is an individual ophthalmology provider in Columbia, South Carolina, licensed in South Carolina (39681) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (2016).

NPPES Registry Identity

NPI1598129298

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. RYAN NELSON MERCERCredential: MD

Location Address1655 BERNARDIN AVE STE 100Columbia, SC 29204-2039

Mailing Address1655 Bernardin Ave Ste 100Columbia, SC 29204-2039 · (803) 256-0641 · Fax (803) 779-3649

Phone(803) 256-0641

Fax(803) 779-3649

Sole ProprietorNo

Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2016

Enumeration DateApril 8, 2016

Last NPPES UpdateJuly 7, 20213 updates tracked since enumeration

NPPES CertifiedJuly 7, 2021

✔ NPI 1598129298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in SC · 39681

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1655 BERNARDIN AVE STE 100, Columbia, SC 29204

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

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. Ryan Nelson Mercer Md 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 ID1658667506

PECOS Enrollment IDI20200629003953

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 23

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.

579 services552 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.

537 services371 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.

334 services225 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.

296 services168 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).

279 services260 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.

193 services186 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.

150 services142 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.

145 services140 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.

123 services123 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.

71 services61 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.

62 services62 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

52 services25 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.

46 services27 patients

Placement of amniotic membrane on eye surface for wound healing 65778

The placement of an amniotic membrane on the eye surface is a treatment to promote healing of eye wounds. It involves placing a thin, protective layer over the eye. This layer, derived from the amniotic membrane, helps reduce inflammation and scarring, while encouraging healing.

27 services15 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.

27 services22 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

26 services25 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

25 services22 patients

Analysis of substance using immunoassay technique, multiple step method 83516

This procedure involves the use of an immunoassay, a highly sensitive technique, to detect and measure substances in your body. It involves multiple steps and is commonly used in diagnosing and monitoring various health conditions.

24 services12 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.

20 services12 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.

20 services17 patients

Imaging of front third of eye using a special microscope 92286

This procedure involves capturing detailed images of the front part of your eye using a specialized microscope. It helps in identifying any eye abnormalities or issues, improving the accuracy of diagnosis and treatment planning.

20 services20 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.

16 services16 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.

15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Prisma Health Richland Hospital

Acute Care Hospitals · Columbia, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420018

Location5 Medical ParkColumbia, SC 29203 · Richland County

Emergency services Birthing friendly

Musc Health Columbia Medical Center Downtown

Acute Care Hospitals · Columbia, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420026

Location2435 Forest DriveColumbia, SC 29204 · Richland County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29204 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$67.12 typical visit price

range $16.96 – $133.52

Typical copayment $16.78 (range $4.24 – $33.38)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Frames, purchases V2020

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier13 claims13 services$57.56 avg. paid by Medicare

Sphere, bifocal, plus or minus 7.12 to plus or minus 20.00d, per lens V2202

Other-Vision, Hearing, and Speech Services · category OC000N

1 supplier12 claims24 services$46.41 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Ryan Mercer's NPI number?

The NPI number for Ryan Mercer is 1598129298. It was assigned to this individual provider in the NPPES registry on April 8, 2016.

Where is Ryan Mercer located?

Ryan Mercer practices at 1655 Bernardin Ave Ste 100, Columbia, SC 29204. The listed phone number is (803) 256-0641.

What is Ryan Mercer's specialty?

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

Is Ryan Mercer enrolled in Medicare?

Yes. Ryan Mercer 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.

What insurance does Ryan Mercer accept?

Health plans from UnitedHealthcare list Ryan Mercer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan Mercer affiliated with any hospitals?

According to CMS data, Ryan Mercer is affiliated with Prisma Health Richland Hospital and Musc Health Columbia Medical Center Downtown.

When was this NPI record last updated?

The NPPES record for Ryan Mercer was last updated on July 7, 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.