DR. NATHAN LAMBERT MD
NPI 1366022725
Anesthesiology in Hot Springs, AR

Active since April 10, 2021PECOS EnrolledAccepts Medicare Assignment
300 WERNER ST, HOT SPRINGS, AR 71913(501) 622-1000 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2025, Apr 10, 2021 (2 updates tracked since 2021).

About Dr. Nathan Lambert Md NPPES

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

DR. NATHAN LAMBERT MD (NPI 1366022725) is an individual anesthesiology provider in Hot Springs, Arkansas, licensed in Arkansas (E-18967) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1366022725
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. NATHAN LAMBERTCredential: MD
Location Address300 WERNER STHot Springs, AR 71913-6406
Mailing Address2201 Hempstead TpkeEast Meadow, NY 11554-1859
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 10, 2021
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1366022725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AR · E-18967
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
300 WERNER ST, Hot Springs, AR 71913

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

Dr. Nathan 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 ID2062915622
PECOS Enrollment IDI20250910004861
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 Nathan Lambert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nurse Anesthetist, Certified Registered
1100 ANDRE ST, SUITE 300
New Iberia, LA 70563
  • Reassigned Medicare billing, Arkansas enrollment
  • 232 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.

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.

Long Term Care Hospital
300 WERNER ST, 3RD FLOOR
HOT SPRINGS, AR 71913
Student in an Organized Health Care Education/Training Program
300 WERNER ST
HOT SPRINGS, AR 71913
Emergency Medicine
300 WERNER ST
HOT SPRINGS, AR 71913
Anesthesiology
300 WERNER ST
HOT SPRINGS, AR 71913
Home Delivered Meals
300 WERNER ST
HOT SPRINGS, AR 71913
Hospitalist
300 WERNER ST
HOT SPRINGS, AR 71913
General Acute Care Hospital
300 WERNER ST
HOT SPRINGS, AR 71913
Registered Nurse
300 WERNER ST
HOT SPRINGS NATIONAL PARK, AR 71913

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 Nathan Lambert's NPI number?

The NPI number for Nathan Lambert is 1366022725. It was assigned to this individual provider in the NPPES registry on April 10, 2021.

Where is Nathan Lambert located?

Nathan Lambert practices at 300 Werner St, Hot Springs, AR 71913. The listed phone number is (501) 622-1000.

What is Nathan Lambert's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nathan Lambert enrolled in Medicare?

Yes. Nathan 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 Nathan Lambert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Lambert reassigns Medicare benefits to Youngs Professional Services LLC (New Iberia, LA). 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 Nathan Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Lambert accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Nathan 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 Nathan Lambert was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.