DR. ROBERT JOSEPH OLK MD
NPI 1265429245
Ophthalmology in Saint Louis, MO

Q: What is Robert Olk's NPI number?

The NPI number for Robert Olk is 1265429245. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Q: What is Robert Olk'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 Robert Olk was last updated on January 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 October 04, 2005PECOS EnrolledAccepts Medicare Assignment

93.4/100

CMS Quality Rating

11710 OLD BALLAS RD, SUITE 102, SAINT LOUIS, MO 63141(314) 569-2020(314) 569-1596 Get Directions Write a Review

NPPES record last updated: January 24, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Robert Joseph Olk Md NPPES

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

DR. ROBERT JOSEPH OLK MD (NPI 1265429245) is an individual ophthalmology provider in Saint Louis, Missouri, licensed in Missouri (R9531) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Ssm St Clare Health Center, and is a graduate of Rush Medical College Of Rush University (1975).

NPPES Registry Identity

NPI1265429245

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. ROBERT JOSEPH OLKCredential: MD

Location Address11710 OLD BALLAS RD, SUITE 102Saint Louis, MO 63141-7076

Mailing Address11710 Old Ballas Rd, Suite 102Saint Louis, MO 63141-7076 · (314) 569-2020 · Fax (314) 569-1596

Phone(314) 569-2020

Fax(314) 569-1596

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1975

Enumeration DateOctober 4, 2005

Last NPPES UpdateJanuary 24, 2024

✔ NPI 1265429245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MO · R9531

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 ListedOphthalmology · Retina SpecialistTaxonomy 207WX0107X · License R9531 (MO)

11710 OLD BALLAS RD, Saint Louis, MO 63141

Open in Google Maps ↗

Other Identifiers 13

Other180036813 CI6574IL · Medicare Railroad

Other2498755005MO · Cigna

Other14566MO · Essence

Medicaid201519345MO

Other101062MO · Healthlink

Other106672MO · Blue Shield

Other6739MO · Healthcare Usa

Other63192MO · Group Health Plan

OtherA13535MO · Mercy Health Plans

Other008245MO · Exclusive

Other0882289MO · United Health Care

Other180027468 CD5617MO · Railroad Medicare

OtherIL4498001IL · Il Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert Joseph Olk 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 ID1153312731

PECOS Enrollment IDI20040624001650

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.

Medicare Billing Reassignments

Medicare enrollment records show Robert Olk reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Retina Center PC

Same address

Ophthalmology

11710 OLD BALLAS RD, SUITE 102
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
4 clinicians in this Medicare group

NPI 1861539694 (314) 569-2020

Nu-Crown, LLC

8.7 mi

Optometrist

7235 WATSON ROAD
Saint Louis, MO 63119

Reassigned Medicare billing, Missouri enrollment
Medicare enrollment name: Nucrown, LLC
43 clinicians in this Medicare group

NPI 1639221427 (314) 352-5367

St. Louis Eye Clinic

12 mi

Clinic/Center

12818 TESSON FERRY RD STE 102&104
Saint Louis, MO 63128

Reassigned Medicare billing, Missouri enrollment
4 clinicians in this Medicare group

NPI 1366555690 (314) 352-9800

Jfj Eyecare, Ltd

26 mi

Optometrist

3990 N ILLINOIS ST
Swansea, IL 62226

Reassigned Medicare billing, Illinois enrollment
32 clinicians in this Medicare group

NPI 1376586685 (636) 200-4393

Advanced Sight Center, Inc.

32 mi

Ophthalmology

1351 JEFFERSON ST, STE 110
Washington, MO 63090

Reassigned Medicare billing, Missouri enrollment
5 clinicians in this Medicare group

NPI 1992725709 (636) 239-1650

Bond Eye Associates, Sc

138 mi

Ophthalmology

725 S 14TH ST
Pekin, IL 61554

Reassigned Medicare billing, Illinois enrollment
8 clinicians in this Medicare group

NPI 1285725903 (309) 353-6660

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 31

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.

38,700 services132 patients

Injection, verteporfin, 0.1 mg J3396

Verteporfin injection, 0.1 mg, is a treatment often used for certain eye conditions like age-related macular degeneration. The medication is injected into your bloodstream to help control abnormal blood vessel growth and leakage in the eye, improving vision.

5,898 services37 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.

1,080 services342 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.

734 services177 patients

Injection, ranibizumab-nuna, biosimilar, (byooviz), 0.1 mg Q5124

Ranibizumab-nuna (Byooviz) is a biosimilar injection given to treat certain eye conditions, like age-related macular degeneration. It works by slowing the disease's progress and maintaining your current level of vision. The dosage is 0.1 mg.

370 services11 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.

259 services171 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.

252 services22 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.

239 services151 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.

152 services136 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.

120 services112 patients

Measurement of retinal and optic nerve function 92273

This procedure checks the health of your eyes, specifically the retina and optic nerve. These parts help in visual interpretation. The test involves non-invasive techniques to measure your eye's response to light and assess its functioning.

80 services61 patients

Unclassified biologics J3590

Unclassified biologics are a type of treatment derived from living organisms. They can include a wide range of substances, such as vaccines, blood components, or genes, used to prevent or treat diseases. Each is specifically designed to interact with the body's natural defenses to promote healing.

70 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.

68 services58 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.

67 services51 patients

Extended exam involving color vision testing 92283

An extended exam involving color vision testing helps identify any difficulties in distinguishing colors, often due to genetic conditions or health problems. This non-invasive test involves identifying different colored numbers or patterns.

63 services51 patients

Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye 92242

This procedure involves a special camera capturing images of the eye's blood vessels. A dye is injected into your body, which travels to the eye's vessels, highlighting them in the photos. This helps identify any abnormalities in the retina and surrounding areas.

42 services40 patients

Destruction of vascular growth between retina and sclera by photodynamic therapy 67221

Photodynamic therapy is a procedure used to treat abnormal blood vessel growth between the retina and sclera (back of the eye). It involves using a special light-activated drug and a laser to destroy these vessels, helping to prevent vision loss.

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.

41 services31 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

40 services29 patients

Destruction of eye fluid (vitreous) between lens and retina and all of retina using a laser 67040

This procedure involves using a laser to eliminate the fluid (vitreous) between your lens and retina, along with the entire retina. It's a method often used to treat various eye conditions and improve eye health.

32 services22 patients

Removal of eye fluid (vitreous) between lens and retina 67036

This procedure, known as a vitrectomy, involves removing some or all of the vitreous humor, the clear gel-like substance in the eye. It's done to treat various eye conditions, like retinal detachment or macular hole. The aim is to improve or stabilize vision. It's performed under local or general anesthesia.

31 services21 patients

Injection, bevacizumab, 10 mg J9035

Bevacizumab is a medication given through an injection. It's designed to prevent the growth of new blood vessels that cancer cells need to grow and spread. The 10 mg dose refers to the amount of the drug in the injection.

30 services12 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.

26 services20 patients

Complex repair of detached retina and drainage of eye fluid between lens and retina 67113

This procedure involves reattaching your detached retina, a vital layer at the back of your eye. Simultaneously, excess fluid between your lens and retina is drained. This helps restore vision and prevent further eye damage.

24 services15 patients

Implantation of eye drug delivery system 67027

An eye drug delivery system implantation is a procedure where a small device is placed in your eye. This device slowly releases medication over time to treat certain eye conditions. It's a safe, effective way to ensure consistent medication delivery.

22 services17 patients

Exam of visual field with intermediate testing 92082

An exam of the visual field with intermediate testing is a procedure that checks your peripheral (side) vision. It helps to identify blind spots which could be a sign of eye diseases. This non-invasive test is painless and quick.

20 services17 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.

18 services18 patients

Destruction of leaking blood vessels of retina using laser 67228

This procedure involves using a laser to treat leaking blood vessels in the retina, the part of the eye responsible for vision. The laser seals off these vessels, preventing further leakage and helping to preserve sight.

15 services11 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.

13 services13 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.

12 services12 patients

Removal of lens material 66852

Removal of lens material is a procedure typically performed during cataract surgery. It involves taking out the cloudy lens from your eye and replacing it with a clear artificial one. This can help restore vision that has been impaired due to the formation of cataracts.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Ssm St Clare Health Center

Acute Care Hospitals · Fenton, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260081

Location1015 BowlesFenton, MO 63026 · Jefferson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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.

93.4/100

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

Scored as part of a group practice

Quality

83.99

Improvement Activities

Other Providers at the Same Location NPPES 12

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

DR. SIMON M YU M.D.

Internal Medicine

11710 OLD BALLAS RD, 205
SAINT LOUIS, MO 63141

St. Louis County (314) 432-7802

MISSOURI EYE ASSOCIATES LLC

Ophthalmology

11710 OLD BALLAS RD, SUITE 102
SAINT LOUIS, MO 63141

St. Louis County (314) 569-2020

SARA E. WRIGHT PHD

Psychologist

11710 OLD BALLAS RD, SUITE 111
CREVE COEUR, MO 63141

St. Louis County (314) 991-1095

CATHERINE B. MACKIE M.A., L.P.C.

Counselor (Professional)

11710 OLD BALLAS RD, SUITE 110
SAINT LOUIS, MO 63141

St. Louis County (314) 567-1958

DR. THOMAS M MATTHES DDS

Dentist (Prosthodontics)

11710 OLD BALLAS RD, SUITE 200
SAINT LOUIS, MO 63141

St. Louis County (314) 989-9777

THOMAS M MATTHES DDS PC

Clinic/Center (Dental)

11710 OLD BALLAS RD, SUITE 200
SAINT LOUIS, MO 63141

St. Louis County (314) 989-9777

DR. JOHN ARTHUR MCGREAL JR. OD

Optometrist

11710 OLD BALLAS RD, SUITE 102
SAINT LOUIS, MO 63141

St. Louis County (314) 569-2020

RETINA CENTER PC

Ophthalmology

11710 OLD BALLAS RD, SUITE 102
SAINT LOUIS, MO 63141

St. Louis County (314) 569-2020

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 Robert Olk's NPI number?

The NPI number for Robert Olk is 1265429245. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Where is Robert Olk located?

Robert Olk practices at 11710 Old Ballas Rd Suite 102, Saint Louis, MO 63141. The listed phone number is (314) 569-2020.

What is Robert Olk's specialty?

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

Is Robert Olk enrolled in Medicare?

Yes. Robert Olk 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.

Which organizations bill Medicare for Robert Olk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Olk reassigns Medicare benefits to 6 organizations: Retina Center PC (Saint Louis, MO), Nu-Crown, LLC (Saint Louis, MO), St. Louis Eye Clinic (Saint Louis, MO), Jfj Eyecare, Ltd (Swansea, IL), Advanced Sight Center, Inc. (Washington, MO) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Olk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Olk accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Medica and 1 other insurer list Robert Olk 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 Robert Olk affiliated with any hospitals?

According to CMS data, Robert Olk is affiliated with Ssm St Clare Health Center.

When was this NPI record last updated?

The NPPES record for Robert Olk was last updated on January 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.