Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. OLIVER FISCHER M.D.
NPI 1609238880
Ophthalmology - Retina Specialist in Round Rock, TX

Q: What is Oliver Fischer's NPI number?

The NPI number for Oliver Fischer is 1609238880. It was assigned to this individual provider in the NPPES registry on March 25, 2016.

Q: What is Oliver Fischer's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Q: When was this NPI record last updated?

The NPPES record for Oliver Fischer was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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 March 25, 2016PECOS Enrolled

7700 CAT HOLLOW DR STE 202, ROUND ROCK, TX 78681(512) 882-5884(512) 610-0649 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2026, Jun 8, 2022, Jun 8, 2020 and 1 more (4 updates tracked since 2016).

On this page

About Dr. Oliver Fischer M.d. NPPES

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

DR. OLIVER FISCHER M.D. (NPI 1609238880) is an individual retina specialist in Round Rock, Texas, licensed in Texas (T5887) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2015).

NPPES Registry Identity

NPI1609238880

Entity TypeIndividualMale

Primary Taxonomy207WX0107X

Provider Legal NameDR. OLIVER FISCHERCredential: M.D.

Location Address7700 CAT HOLLOW DR STE 202Round Rock, TX 78681-5799

Mailing Address7700 Cat Hollow Dr Ste 202Round Rock, TX 78681-5799 · (512) 882-5884 · Fax (512) 610-0649

Phone(512) 882-5884

Fax(512) 610-0649

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2015

Enumeration DateMarch 25, 2016

Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration

NPPES CertifiedOctober 2, 2026

✔ NPI 1609238880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0107X

License✔ Licensed in TX · T5887

Definition

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

Also ListedOphthalmologyTaxonomy 207W00000X · License 35682 (OK)

7700 CAT HOLLOW DR STE 202, Round Rock, TX 78681

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Oliver Fischer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719272848

PECOS Enrollment IDI20220617001826

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 Reassignment

Medicare enrollment records show Oliver Fischer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Retina Physicians Of Central Texas PLLC

Same address

Retina Specialist

7700 CAT HOLLOW DR STE 202
Round Rock, TX 78681

Reassigned Medicare billing, Texas enrollment

NPI 1689503310 (512) 882-5884

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 11

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.

6,420 services31 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.

497 services312 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.

415 services96 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.

288 services197 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.

204 services65 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.

179 services144 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78681 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 $54.84 – $166.88

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

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

Other Providers at the Same Location NPPES 4

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

MOCKINGBIRD OB/GYN, P.A.

Obstetrics & Gynecology

7700 CAT HOLLOW DR STE 202
ROUND ROCK, TX 78681

Williamson County (512) 238-6688

RETINA PHYSICIANS OF CENTRAL TEXAS PLLC

Ophthalmology (Retina Specialist)

7700 CAT HOLLOW DR STE 202
ROUND ROCK, TX 78681

Williamson County (512) 882-5884

DR. MELANIE HENDRICKS PAGETTE M.D.

Obstetrics & Gynecology

7700 CAT HOLLOW DR STE 202
ROUND ROCK, TX 78681

Williamson County (512) 238-6688

ATX360 PSYCH CARE PLLC

Psychiatry & Neurology (Psychiatry)

7700 CAT HOLLOW DR STE 202
ROUND ROCK, TX 78681

Williamson County (512) 734-8060

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 Oliver Fischer's NPI number?

The NPI number for Oliver Fischer is 1609238880. It was assigned to this individual provider in the NPPES registry on March 25, 2016.

Where is Oliver Fischer located?

Oliver Fischer practices at 7700 Cat Hollow Dr Ste 202, Round Rock, TX 78681. The listed phone number is (512) 882-5884.

What is Oliver Fischer's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Oliver Fischer enrolled in Medicare?

Yes. Oliver Fischer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Oliver Fischer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Fischer reassigns Medicare benefits to Retina Physicians Of Central Texas PLLC (Round Rock, TX). The 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 Oliver Fischer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oliver Fischer accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Oliver Fischer 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.

When was this NPI record last updated?

The NPPES record for Oliver Fischer was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.