MRS. KAITLYN M SIESEL
NPI 1356899389
Nurse Anesthetist, Certified Registered in Greeley, CO

Active since September 19, 2016PECOS EnrolledAccepts Medicare Assignment
1801 16TH STREET, GREELEY, CO 80631(970) 810-4121(770) 701-6675 Get Directions Write a Review

NPPES record last updated: January 3, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2020, Jun 14, 2017, Sep 19, 2016 (3 updates tracked since 2016).

About Mrs. Kaitlyn M Siesel NPPES

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

MRS. KAITLYN M SIESEL (NPI 1356899389) is an individual nurse anesthetist, certified registered in Greeley, Colorado, licensed in Colorado (APN.0993218-CRNA) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, is affiliated with Summa Health System, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1356899389
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMRS. KAITLYN M SIESEL
Location Address1801 16TH STREETGreeley, CO 80631
Mailing AddressPo Box 1786Fort Collins, CO 80522-1786 · (855) 654-5262 · Fax (770) 701-8675
Fax(770) 701-6675
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 19, 2016
Last NPPES UpdateJanuary 3, 20203 updates tracked since enumeration
✔ NPI 1356899389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in CO · APN.0993218-CRNA✔ Licensed in CA · 111936✔ Licensed in OH · 111936
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1801 16TH STREET, Greeley, CO 80631

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

Mrs. Kaitlyn M Siesel 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 ID9133408131
PECOS Enrollment IDI20201028000616
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

3

Medicare enrollment records show Kaitlyn Siesel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1801 16TH ST
Greeley, CO 80631
  • Reassigned Medicare billing, Colorado enrollment
  • 107 clinicians in this Medicare group
Anesthesiology
405 W GRAND AVE
Dayton, OH 45405
  • Reassigned Medicare billing, Ohio enrollment
  • 419 clinicians in this Medicare group
Anesthesiology
7500 STATE RD
Cincinnati, OH 45255
  • Reassigned Medicare billing, Ohio enrollment
  • 830 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Summa Health System

Acute Care Hospitals · Akron, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360020
Location525 East Market StreetAkron, OH 44309 · Summit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80631 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 4

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

Anesthesiology
1801 16TH STREET, NORTH COLORADO MEDICAL CENTER
GREELEY, CO 80631
Psychologist (Clinical)
1801 16TH STREET
GREELEY, CO 80631
Emergency Medicine
1801 16TH STREET
GREELEY, CO 80631
Emergency Medicine
1801 16TH STREET
GREELEY, CO 80631

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 Kaitlyn Siesel's NPI number?

The NPI number for Kaitlyn Siesel is 1356899389. It was assigned to this individual provider in the NPPES registry on September 19, 2016.

Where is Kaitlyn Siesel located?

Kaitlyn Siesel practices at 1801 16th Street, Greeley, CO 80631. The listed phone number is (970) 810-4121.

What is Kaitlyn Siesel's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Kaitlyn Siesel enrolled in Medicare?

Yes. Kaitlyn Siesel 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 Kaitlyn Siesel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kaitlyn Siesel reassigns Medicare benefits to 3 organizations: Rocky Mountain State Anesthesia Providers (Greeley, CO), Dayton Anesthesia & Pain Services, LLC (Dayton, OH) and Southwest Ohio Anesthesia Consultants LLC (Cincinnati, OH). 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 Kaitlyn Siesel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kaitlyn Siesel accept?

Health plans from CareSource, Oscar Health and Oscar Insurance Company list Kaitlyn Siesel 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.

Is Kaitlyn Siesel affiliated with any hospitals?

According to CMS data, Kaitlyn Siesel is affiliated with Summa Health System.

When was this NPI record last updated?

The NPPES record for Kaitlyn Siesel was last updated on January 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.