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DR. THOMAS A NICHOLAS IV MD
NPI 1437194487
Anesthesiology in Colorado Springs, CO

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
1400 E BOULDER ST STE 2508, COLORADO SPRINGS, CO 80909(719) 365-6999(719) 365-2837 Get Directions Write a Review

NPPES record last updated: July 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thomas A Nicholas Iv Md NPPES

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

DR. THOMAS A NICHOLAS IV MD (NPI 1437194487) is an individual anesthesiology provider in Colorado Springs, Colorado, licensed in Colorado (DR.0039499) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1997).

NPPES Registry Identity

NPI1437194487
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. THOMAS A NICHOLAS IVCredential: MD
Location Address1400 E BOULDER ST STE 2508Colorado Springs, CO 80909-5533
Mailing Address2695 Rocky Mountain Ave Ste 150Loveland, CO 80538-9071 · (970) 624-4034 · Fax (970) 490-4347
Phone(719) 365-6999
Fax(719) 365-2837
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 1997
Enumeration DateJune 16, 2006
Last NPPES UpdateJuly 2, 2021
NPPES CertifiedJuly 2, 2021
✔ NPI 1437194487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · DR.0039499✔ Licensed in NE · 24095
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.
1400 E BOULDER ST STE 2508, Colorado Springs, CO 80909
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Other Identifiers 1

Other24095NE · Ne State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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. Thomas A Nicholas Iv 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 ID42273575
PECOS Enrollment IDI20210712000887
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

2

Medicare enrollment records show Thomas Nicholas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Poudre Valley Medical Group, LLC
109 mi
General Practice
2695 ROCKY MOUNTAIN AVE, SUITE 150
Loveland, CO 80538
  • Reassigned Medicare billing, Colorado enrollment
  • 2,596 clinicians in this Medicare group
NPI 1366763260 (970) 624-4420
Unmc Physicians
487 mi
Multi-Specialty
988102 NEBRASKA MEDICAL CTR
Omaha, NE 68198
  • Reassigned Medicare billing, Nebraska enrollment
  • 2,154 clinicians in this Medicare group
NPI 1417912114 (402) 552-3739

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
18 services18 patients
Other procedure on nervous system 64999
A procedure on the nervous system can involve various techniques to diagnose or treat conditions affecting your brain, spinal cord, or nerves. These can include surgeries, tests, or therapies. It's done by specialized doctors to help improve your neurological health.
16 services15 patients
Anesthesia for other procedure on skin of arms, legs, and front body 00400
Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.
12 services12 patients

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.

DR. GAELEN ROYCE HORNE D.O.
Anesthesiology
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-6999
DR. ROHAN KHURANA M.D.
Internal Medicine
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-1292
DR. MELISSA CARY-JACOBS SCHMOEKEL D.O
Anesthesiology
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-6999
AUDREY SONIN CRNA
Nurse Anesthetist, Certified Registered
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-6999
JUANA LOPEZ CRNA
Nurse Anesthetist, Certified Registered
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-6999
DR. VINCENT NICHOLAS SMITH M.D.
Anesthesiology
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (179) 365-6999
ADAM D BLISS NP
Nurse Practitioner (Gerontology)
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-5000
ALAINA WIRT AGCNS-BC
Clinical Nurse Specialist
1400 E BOULDER ST STE 2508
COLORADO SPRINGS, CO 80909
El Paso County (719) 365-5937

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 Thomas Nicholas's NPI number?

The NPI number for Thomas Nicholas is 1437194487. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Thomas Nicholas located?

Thomas Nicholas practices at 1400 E Boulder St Ste 2508, Colorado Springs, CO 80909. The listed phone number is (719) 365-6999.

What is Thomas Nicholas's specialty?

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

Is Thomas Nicholas enrolled in Medicare?

Yes. Thomas Nicholas 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 Thomas Nicholas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Nicholas reassigns Medicare benefits to 2 organizations: Poudre Valley Medical Group, LLC (Loveland, CO) and Unmc Physicians (Omaha, NE). 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 Thomas Nicholas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Nicholas accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan and Select Health list Thomas Nicholas 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 Thomas Nicholas was last updated on July 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.