NICHOLAS LAMBERT MD
NPI 1669091609
Internal Medicine - Hematology & Oncology in Mckinney, TX

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment
5236 W UNIVERSITY DR STE 1000, MCKINNEY, TX 75071(972) 542-8609 Get Directions Write a Review

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

Record update history: Jul 6, 2023, Apr 10, 2020 (2 updates tracked since 2020).

About Nicholas Lambert Md NPPES

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

NICHOLAS LAMBERT MD (NPI 1669091609) is an individual hematology & oncology provider in Mckinney, Texas, licensed in Texas (U2911) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of University Of Nebraska College Of Medicine (2020).

NPPES Registry Identity

NPI1669091609
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameNICHOLAS LAMBERTCredential: MD
Location Address5236 W UNIVERSITY DR STE 1000Mckinney, TX 75071-8106
Mailing Address5236 W University Dr Ste 1000Mckinney, TX 75071-8106 · (402) 917-8431
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2020
Enumeration DateApril 9, 2020
Last NPPES UpdateJune 25, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1669091609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · U2911
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
5236 W UNIVERSITY DR STE 1000, Mckinney, TX 75071

Accepted 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

Nicholas Lambert 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 ID5092270280
PECOS Enrollment IDI20260717003134
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 Nicholas Lambert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Oncology
3410 WORTH ST
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 1,054 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75071 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 5

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

Internal Medicine (Hematology & Oncology)
5236 W UNIVERSITY DR STE 1000
MCKINNEY, TX 75071
Internal Medicine (Hematology & Oncology)
5236 W UNIVERSITY DR STE 1000
MCKINNEY, TX 75071
Physician Assistant
5236 W UNIVERSITY DR STE 1000
MCKINNEY, TX 75071
Surgery (Surgical Oncology)
5236 W UNIVERSITY DR STE 1000
MCKINNEY, TX 75071
Colon & Rectal Surgery
5236 W UNIVERSITY DR STE 1000
MCKINNEY, TX 75071

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 Nicholas Lambert's NPI number?

The NPI number for Nicholas Lambert is 1669091609. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Where is Nicholas Lambert located?

Nicholas Lambert practices at 5236 W University Dr Ste 1000, Mckinney, TX 75071. The listed phone number is (972) 542-8609.

What is Nicholas Lambert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Nicholas Lambert enrolled in Medicare?

Yes. Nicholas Lambert 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 organization bills Medicare for Nicholas Lambert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Lambert reassigns Medicare benefits to Texas Oncology PA (Dallas, TX). The 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 Nicholas Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Lambert accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Nicholas Lambert 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 Nicholas Lambert was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.