GERALD P CLARKE M.D.
NPI 1104988955
Ophthalmology in Austin, TX

NPI Status: Active since December 15, 2006

Contact Information

3410 FAR WEST BLVD STE 140
AUSTIN, TX
ZIP 78731
Phone: (512) 427-1100
Fax: (512) 427-1207

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  • Individual
  • Male
  • Years of Experience 50
  • Ophthalmology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About GERALD CLARKE

This page provides the complete NPI Profile along with additional information for Gerald Clarke, a provider established in Austin, Texas with a medical specialization in Ophthalmology and more than 50 years of experience. He graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1976. The healthcare provider is registered in the NPI registry with number 1104988955 assigned on December 2006. The practitioner's primary taxonomy code is 207W00000X with license number U9495 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1104988955
Provider Name
GERALD P CLARKE M.D.
Gender
Male
Entity Type
Individual
Location Address
3410 FAR WEST BLVD STE 140 AUSTIN, TX 78731
Location Phone
(512) 427-1100
Location Fax
(512) 427-1207
Mailing Address
3410 FAR WEST BLVD STE 140 AUSTIN, TX 78731
Mailing Phone
(512) 427-1100
Mailing Fax
(512) 427-1207
Medical School Name
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduation Year
1976
Is Sole Proprietor?
No
Enumeration Date
12-15-2006
Last Update Date
05-14-2024
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Ophthalmologists like Gerald Clarke specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
U9495
License State
TX
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207W00000XAllopathic & Osteopathic Physicians

Ophthalmology

21638-020 (WI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Gold 10 Advanced: $0 PCP + Aetna network + $0 walk-in clinic + Adult Dental + Vision - HMO
  • Gold 3 Advanced: Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Gold 3 Advanced: Aetna network + $0 walk-in clinic + Adult Dental + Vision - HMO
  • Gold 4 Advanced: $0 PCP + Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Gold S: Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Silver 10 Advanced: $0 PCP + Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Silver 10 Advanced: $0 PCP + Aetna network + $0 walk-in clinic + Adult Dental + Vision - HMO
  • Silver 5 Advanced: Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Silver S: Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 - HMO
  • Silver S: Aetna network + $0 walk-in clinic + $0 CVS Health Virtual Care 24/7 + Adult Dental+Vision - HMO
  • HMO Bronze $0 Medical Deductible - HMO
  • HMO Bronze 7500 - HMO
  • HMO Catstrophic 9200 with 3 Free PCP Visits - HMO
  • HMO Gold 1500 - HMO
  • HMO Gold 2400 - HMO
  • HMO HDHP Bronze 7200 - HMO
  • HMO HDHP Silver 5400 - HMO
  • HMO Silver 5000 - HMO
  • HMO Silver 6600 - HMO
  • POS Bronze 7500 - POS
  • POS HDHP Bronze 6250 - POS
  • POS Silver 5000 - POS

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
30380600MEDICAID (05)WI 

Medicare Participation & PECOS Enrollment Status

Gerald Clarke is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Gerald Clarke is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 42299026

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20240621001239

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Cataract surgery

Cataract surgery is a procedure to remove the lens of your eye when it becomes cloudy, which is called a cataract. A synthetic lens is then inserted to restore clear vision. The operation is typically done on an outpatient basis and is very safe and effective.

This service was performed for 12 patients

Established patient complete exam of visual system

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.

This service was performed 52 times for 50 patients

Established patient problem focused exam of visual system

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.

This service was performed 22 times for 18 patients

Exam of the internal drainage system of eye

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.

This service was performed 22 times for 16 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.98 for a new patient copayment and $17.98 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 78731 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $131.95
  • Minimum New Patient Price $57.88
  • Maximum New Patient Price $174
  • Average New Patient Copayment $32.98
  • Minimum New Patient Copayment $14.47
  • Maximum New Patient Copayment $43.5

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $71.95
  • Minimum Established Patient Price $18.88
  • Maximum Established Patient Price $142.23
  • Average Established Patient Copayment $17.98
  • Minimum Established Patient Copayment $4.72
  • Maximum Established Patient Copayment $35.55

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1104988955
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
210418816910
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 1 + 0 + 4 + 1 + 8 + 8 + 1 + 6 + 9 + 1 + 0 + 24 = 65
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 65 = 55

The NPI number 1104988955 is valid because the calculated check digit 5 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 4 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1871775650DR. FARHAN IRSHAD MD, FACS
Individual
Ophthalmology3410 FAR WEST BLVD STE 140
AUSTIN, TX 78731
(512) 427-1100
1093236416 CHELSEA ANNE DEVITT OD
Individual
Optometrist3410 FAR WEST BLVD STE 140
AUSTIN, TX 78731
(404) 531-9988
1023363926EYE CLINIC OF AUSTIN
Organization
Ophthalmology3410 FAR WEST BLVD STE 140
AUSTIN, TX 78731
(512) 427-1107
1700651957EYE SURGERY OF AUSTIN LLC
Organization
Clinic/Center (Ambulatory Surgical)3410 FAR WEST BLVD STE 140
AUSTIN, TX 78731
(512) 427-1100

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104988955, enumerated in the NPI registry as an "individual" on December 15, 2006

The provider is located at 3410 Far West Blvd Ste 140 Austin, Tx 78731 and the phone number is (512) 427-1100

The provider's speciality is Ophthalmology with taxonomy code 207W00000X

The provider has more than 50 years of experience. He graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1976.

The provider might be accepting Accepts: Aetna CVS Health, Aspirus Health Plan, Medicare. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

Medicare beneficiaries should expect a typical cost of $131.95 with an average copayment of $32.98 for new patient appointments. Established patients should expect a typical charge of $71.95 and an average copayment of 17.98. Please review your insurance plan or contact the provider directly to determine your specific costs.

The most common procedures or services performed by this practitioner are: Cataract surgery, Established patient complete exam of visual system, Established patient problem focused exam of visual system and Exam of the internal drainage system of eye.

This NPI record was last updated on December 15, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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