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DR. DOUGLAS FREDRICK CLARK O.D.
NPI 1336185628
Optometrist in Austin, TX

Active since June 22, 2006PECOS Enrolled
5501 B NORTH IH 35, AUSTIN, TX 78723(512) 452-5735(512) 452-3119 Get Directions Write a Review

NPPES record last updated: June 16, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Douglas Fredrick Clark O.d. NPPES

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

DR. DOUGLAS FREDRICK CLARK O.D. (NPI 1336185628) is an individual optometrist in Austin, Texas, licensed in Texas (02529TG) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Indiana University - School Of Optometry (1976).

NPPES Registry Identity

NPI1336185628
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. DOUGLAS FREDRICK CLARKCredential: O.D.
Location Address5501 B NORTH IH 35Austin, TX 78723-2430
Mailing Address5501 B North Ih 35Austin, TX 78723-2430 · (512) 452-5735 · Fax (512) 452-3119
Phone(512) 452-5735
Fax(512) 452-3119
Sole ProprietorNo
Medical School CMSIndiana University - School Of OptometryGraduated 1976
Enumeration DateJune 22, 2006
Last NPPES UpdateJune 16, 2010
✔ NPI 1336185628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 02529TG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
5501 B NORTH IH 35, Austin, TX 78723
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Other Identifiers 3

Medicare UPINT12664TX
Medicaid1335416-04TX
Medicare PIN801601ETX

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Douglas Fredrick Clark O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466511050
PECOS Enrollment IDI20101201000753
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 3

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.
18 services18 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.
15 services12 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).
15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78723 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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

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

DR. JOHNNIE LEE KNOWLES O.D.
Optometrist
5501 B NORTH IH 35
AUSTIN, TX 78723
Travis County (512) 452-5735

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 Douglas Clark's NPI number?

The NPI number for Douglas Clark is 1336185628. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Douglas Clark located?

Douglas Clark practices at 5501 B North Ih 35, Austin, TX 78723. The listed phone number is (512) 452-5735.

What is Douglas Clark's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Douglas Clark enrolled in Medicare?

Yes. Douglas Clark is registered in the Medicare PECOS enrollment system.

What insurance does Douglas Clark accept?

Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Oscar Insurance Company and 3 other insurers list Douglas Clark 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 Douglas Clark was last updated on June 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.