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KURT MARC ISAAC-ELDER MD
NPI 1922623446
Internal Medicine in Falls Church, VA

Active since June 10, 2020PECOS EnrolledAccepts Medicare Assignment
3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-3582(571) 665-6492 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2026, Jun 25, 2025, Aug 15, 2023 and 1 more (4 updates tracked since 2020).

About Kurt Marc Isaac-elder Md NPPES

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

KURT MARC ISAAC-ELDER MD (NPI 1922623446) is an individual internal medicine provider in Falls Church, Virginia, licensed in Virginia (0101288234) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Austin.

NPPES Registry Identity

NPI1922623446
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKURT MARC ISAAC-ELDERCredential: MD
Location Address3300 GALLOWS RDFalls Church, VA 22042-3307
Mailing Address3300 Gallows RdFalls Church, VA 22042-3307 · (703) 776-3582 · Fax (571) 665-6492
Phone(703) 776-3582
Fax(571) 665-6492
Sole ProprietorYes
Medical School CMSGeorge Washington University School Of MedicineGraduated 2020
Enumeration DateJune 10, 2020
Last NPPES UpdateApril 3, 20264 updates tracked since enumeration
NPPES CertifiedApril 3, 2026
✔ NPI 1922623446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101288234
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.
Also ListedHospitalistTaxonomy 208M00000X · License U4225 (TX)
3300 GALLOWS RD, Falls Church, VA 22042
Open in Google Maps ↗

Secondary Practice Location 1

Location 16907 N Capital Of Texas Hwy Ste 240Austin, TX 78731-1710 · Phone (512) 458-1121 · Fax (210) 617-4075

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, Sendero Health Plans, Local Nonprofit.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kurt Marc Isaac-elder Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103288105
PECOS Enrollment IDI20230808001665, I20260316000840, I20260323001903
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 Reassignments

3

Medicare enrollment records show Kurt Isaac-elder reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inova Health Care Services
Same address
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 2,618 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627
Usacs Integrated Acute Care Services Of Texas, PLLC
1,301 mi
Internal Medicine
1401 MEDICAL PKWY
Cedar Park, TX 78613
  • Reassigned Medicare billing, Texas enrollment
  • 828 clinicians in this Medicare group
NPI 1801300322 (330) 493-4443
Wellmed Networks, Inc.
1,377 mi
Cardiovascular Disease
7622 LOUIS PASTEUR, SUITE 100
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 233 clinicians in this Medicare group
NPI 1386948677 (210) 588-0122

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Other Providers at the Same Location NPPES 20

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

ALLISON ELIZABETH TWEEDIE MD
Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
DR. OLEG DOLGHI M.D
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
MRS. CHERYL ANNE FRASER NP
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4132
MISS CRYSTAL FALKE PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-3281
EMERGENCY MEDICINE ASSOCIATES
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4002
NARGES NAJMYAR PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 970-2670
SARAH MARAKOS DO
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652
KARA STONE YOUNG CRNA
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001

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 Kurt Isaac-elder's NPI number?

The NPI number for Kurt Isaac-elder is 1922623446. It was assigned to this individual provider in the NPPES registry on June 10, 2020.

Where is Kurt Isaac-elder located?

Kurt Isaac-elder practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-3582.

What is Kurt Isaac-elder's specialty?

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

Is Kurt Isaac-elder enrolled in Medicare?

Yes. Kurt Isaac-elder is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kurt Isaac-elder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kurt Isaac-elder reassigns Medicare benefits to 3 organizations: Inova Health Care Services (Falls Church, VA), Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX) and Wellmed Networks, Inc. (San Antonio, TX). Each 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 Kurt Isaac-elder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kurt Isaac-elder accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Kurt Isaac-elder 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.

Is Kurt Isaac-elder affiliated with any hospitals?

According to CMS data, Kurt Isaac-elder is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Kurt Isaac-elder was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.