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DR. LUCAS D SITTNER D.O.
NPI 1518156140
Anesthesiology in Fort Collins, CO

Active since October 19, 2007PECOS EnrolledAccepts Medicare Assignment
81.13/100
CMS Quality Rating
2121 E HARMONY RD UNIT 300, FORT COLLINS, CO 80528(970) 224-9102(970) 224-9112 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 14, 2026, May 19, 2025, May 12, 2025 (3 updates tracked since 2025).

About Dr. Lucas D Sittner D.o. NPPES

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

DR. LUCAS D SITTNER D.O. (NPI 1518156140) is an individual anesthesiology provider in Fort Collins, Colorado, licensed in Colorado (DR.0077631) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rocky Vista University College Of Osteopathic Med (2014).

NPPES Registry Identity

NPI1518156140
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. LUCAS D SITTNERCredential: D.O.
Location Address2121 E HARMONY RD UNIT 300Fort Collins, CO 80528-3403
Mailing Address2121 E Harmony Rd Unit 300Fort Collins, CO 80528-3403 · (970) 224-9102 · Fax (970) 224-9112
Phone(970) 224-9102
Fax(970) 224-9112
Sole ProprietorNo
Medical School CMSRocky Vista University College Of Osteopathic MedGraduated 2014
Enumeration DateOctober 19, 2007
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1518156140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · DR.0077631✔ Licensed in KS · 9408365
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.
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 8895 (OK)
Also ListedPhysician AssistantTaxonomy 363A00000X · License 2523 (CO)
2121 E HARMONY RD UNIT 300, Fort Collins, CO 80528
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1800 Stanton L Young BlvdOklahoma City, OK 73104-5018 · Phone (405) 271-6137
Location 21010 N Kansas StWichita, KS 67214-3124 · Phone (316) 293-2699 · Fax (316) 293-2699

Other Identifiers 1

Medicaid19780079CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Select Health.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. Lucas D Sittner D.o. 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 ID648360198
PECOS Enrollment IDI20260731002934
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 Lucas Sittner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Poudre Valley Medical Group, LLC
7.4 mi
General Practice
2695 ROCKY MOUNTAIN AVE STE 110
Loveland, CO 80538
  • Reassigned Medicare billing, Colorado enrollment
  • 2,596 clinicians in this Medicare group
NPI 1225356868 (970) 624-4443

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.13/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.8
Improvement Activities40

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.

JANE H CASSEL PA-C
Physician Assistant (Medical)
2121 E HARMONY RD UNIT 300
FORT COLLINS, CO 80528
Larimer County (970) 224-9102
DR. BRYCE MIKEL M.D.
Internal Medicine (Pulmonary Disease)
2121 E HARMONY RD UNIT 300
FORT COLLINS, CO 80528
Larimer County (970) 221-9104
POUDRE VALLEY MEDICAL GROUP, LLC
Internal Medicine (Pulmonary Disease)
2121 E HARMONY RD UNIT 300
FORT COLLINS, CO 80528
Larimer County (970) 224-9102
ANNIKA SVEA KOSTRUBALA PA
Physician Assistant
2121 E HARMONY RD UNIT 300
FORT COLLINS, CO 80528
Larimer County (970) 224-9102
JENNIFER MARIE NOLTING NP
Nurse Practitioner
2121 E HARMONY RD UNIT 300
FORT COLLINS, CO 80528
Larimer County (970) 224-9102

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 Lucas Sittner's NPI number?

The NPI number for Lucas Sittner is 1518156140. It was assigned to this individual provider in the NPPES registry on October 19, 2007.

Where is Lucas Sittner located?

Lucas Sittner practices at 2121 E Harmony Rd Unit 300, Fort Collins, CO 80528. The listed phone number is (970) 224-9102.

What is Lucas Sittner's specialty?

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

Is Lucas Sittner enrolled in Medicare?

Yes. Lucas Sittner 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 Lucas Sittner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lucas Sittner reassigns Medicare benefits to Poudre Valley Medical Group, LLC (Loveland, CO). 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 Lucas Sittner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lucas Sittner accept?

Health plans from Medica and Select Health list Lucas Sittner 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 Lucas Sittner was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.