Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LIANNE MARKS M.D., PH.D.
NPI 1114918349
Internal Medicine in Lakewood, CO

Active since November 05, 2005PECOS Enrolled
1090 S WADSWORTH BLVD UNIT C-3150, LAKEWOOD, CO 80226(512) 705-2028 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2026, Sep 19, 2022, Sep 20, 2021 and 2 more (5 updates tracked since 2018).

About Dr. Lianne Marks M.d., Ph.d. NPPES

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

DR. LIANNE MARKS M.D., PH.D. (NPI 1114918349) is an individual internal medicine provider in Lakewood, Colorado, licensed in Colorado (CDRH.0058867) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114918349
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LIANNE MARKSCredential: M.D., PH.D.
Location Address1090 S WADSWORTH BLVD UNIT C-3150Lakewood, CO 80226-4328
Mailing Address1090 S Wadsworth Blvd Unit C-3150Lakewood, CO 80226-4328 · (512) 705-2028
Sole ProprietorYes
Enumeration DateNovember 5, 2005
Last NPPES UpdateJuly 10, 20265 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1114918349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in CO · CDRH.0058867 Licensed in TX · BP10016831
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.
1090 S WADSWORTH BLVD UNIT C-3150, Lakewood, CO 80226

Accepted 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. Lianne Marks M.d., Ph.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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80226 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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

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

Point of Service
1090 S WADSWORTH BLVD UNIT C-3150
LAKEWOOD, CO 80226

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 Lianne Marks's NPI number?

The NPI number for Lianne Marks is 1114918349. It was assigned to this individual provider in the NPPES registry on November 5, 2005.

Where is Lianne Marks located?

Lianne Marks practices at 1090 S Wadsworth Blvd Unit C-3150, Lakewood, CO 80226. The listed phone number is (512) 705-2028.

What is Lianne Marks's specialty?

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

Is Lianne Marks enrolled in Medicare?

Yes. Lianne Marks is registered in the Medicare PECOS enrollment system.

What insurance does Lianne Marks accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Lianne Marks 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 Lianne Marks was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.