DR. ISAAC ARTHUR LOOSE M.D.
NPI 1821075664
Ophthalmology - Retina Specialist in Austin, TX

Q: What is Isaac Loose's NPI number?

The NPI number for Isaac Loose is 1821075664. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Q: What is Isaac Loose'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 Isaac Loose was last updated on January 3, 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 December 22, 2005PECOS Enrolled

92.81/100

CMS Quality Rating

5717 BALCONES DR, AUSTIN, TX 78731(512) 327-7000(512) 314-1660 Get Directions Write a Review

NPPES record last updated: January 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2024, Mar 29, 2023, Feb 23, 2021 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Isaac Arthur Loose M.d. NPPES

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

DR. ISAAC ARTHUR LOOSE M.D. (NPI 1821075664) is an individual retina specialist in Austin, Texas, licensed in Texas (H4498) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821075664

Entity TypeIndividualMale

Primary Taxonomy207WX0107X

Provider Legal NameDR. ISAAC ARTHUR LOOSECredential: M.D.

Location Address5717 BALCONES DRAustin, TX 78731

Mailing Address5717 Balcones DrAustin, TX 78731-4203 · (512) 327-7000 · Fax (512) 314-1660

Phone(512) 327-7000

Fax(512) 314-1660

Sole ProprietorNo

Enumeration DateDecember 22, 2005

Last NPPES UpdateJanuary 3, 20246 updates tracked since enumeration

NPPES CertifiedJanuary 3, 2024

✔ NPI 1821075664 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 · H4498

Definition

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

Also ListedOphthalmologyTaxonomy 207W00000X · License H4498 (TX)

5717 BALCONES DR, Austin, TX 78731

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 (PECOS)

Dr. Isaac Arthur Loose M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Isaac Loose reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texan Eye, PA

Same address

Ophthalmology

5717 BALCONES DR
Austin, TX 78731

Reassigned Medicare billing, Texas enrollment
22 clinicians in this Medicare group

NPI 1205813961 (512) 327-7000

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 9

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.

681 services300 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.

600 services259 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.

295 services78 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

286 services39 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.

97 services31 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.

81 services61 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78731 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.

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.

92.81/100

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

Scored as part of a group practice

Quality

87.68

Promoting Interoperability

Improvement Activities

Cost

89.21

Other Providers at the Same Location NPPES 14

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

TEXAN EYE, PA

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