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DR. LINDA LEE ISAACS M.D.
NPI 1629079439
Internal Medicine in Austin, TX

Active since August 02, 2005Opted out of Medicare · through May 10, 2027
6700 MENCHACA ROAD, BUILDING 3, AUSTIN, TX 78745(737) 208-0831(737) 242-8223 Get Directions Write a Review

NPPES record last updated: August 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 8, 2019, Feb 10, 2016 (2 updates tracked since 2016).

About Dr. Linda Lee Isaacs M.d. NPPES

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

DR. LINDA LEE ISAACS M.D. (NPI 1629079439) is an individual internal medicine provider in Austin, Texas, licensed in New York (178484) and active in the NPI registry since August 2005. She has opted out of Medicare through May 10, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1629079439
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LINDA LEE ISAACSCredential: M.D.
Location Address6700 MENCHACA ROAD, BUILDING 3Austin, TX 78745
Mailing Address6800 Westgate Blvd, Suite 132-223Austin, TX 78745 · (737) 208-0831 · Fax (737) 242-8223
Phone(737) 208-0831
Fax(737) 242-8223
Sole ProprietorYes
Enumeration DateAugust 2, 2005
Last NPPES UpdateAugust 29, 20252 updates tracked since enumeration
✔ NPI 1629079439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 178484✔ Licensed in TX · R0590
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6700 MENCHACA ROAD, Austin, TX 78745
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Other Identifiers 1

Other032511Provider Number

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Linda Lee Isaacs M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 10, 2013 through May 10, 2027.

Opt-Out Effective DateMay 10, 2013
Opt-Out In Effect ThroughMay 10, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78745 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
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Linda Isaacs's NPI number?

The NPI number for Linda Isaacs is 1629079439. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Where is Linda Isaacs located?

Linda Isaacs practices at 6700 Menchaca Road Building 3, Austin, TX 78745. The listed phone number is (737) 208-0831.

What is Linda Isaacs's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Linda Isaacs enrolled in Medicare?

No. Linda Isaacs has opted out of Medicare through May 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Linda Isaacs was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.