SAMUEL BERNARD DUNN CRNA
NPI 1326628280
Nurse Anesthetist, Certified Registered in Greeley, CO

Active since April 13, 2021PECOS EnrolledAccepts Medicare Assignment
1801 16TH ST, GREELEY, CO 80631(970) 810-4121 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2021, Apr 13, 2021 (2 updates tracked since 2021).

About Samuel Bernard Dunn Crna NPPES

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

SAMUEL BERNARD DUNN CRNA (NPI 1326628280) is an individual nurse anesthetist, certified registered in Greeley, Colorado, licensed in Colorado (0002941) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Avera Mckennan Hospital & University Health Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1326628280
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameSAMUEL BERNARD DUNNCredential: CRNA
Location Address1801 16TH STGreeley, CO 80631-5154
Mailing Address5210 S Woodsedge TrlSioux Falls, SD 57108-8452 · (605) 929-4140
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 13, 2021
Last NPPES UpdateMay 19, 20212 updates tracked since enumeration
NPPES CertifiedMay 19, 2021
✔ NPI 1326628280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CO · 0002941
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License R045161 (SD)
1801 16TH ST, 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

Samuel Bernard Dunn Crna 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 ID4385043447
PECOS Enrollment IDI20230622002325
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 Samuel Dunn reassigns Medicare billing to 2 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
Rural Health
660 W 2ND ST
Winner, SD 57580
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 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.

Areas of Expertise CMS Part B claims 4

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.
21 services21 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
16 services16 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
11 services11 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430016
Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha 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 20

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

Internal Medicine
1801 16TH ST
GREELEY, CO 80631
Nurse Practitioner (Neonatal)
1801 16TH ST
GREELEY, CO 80631
Clinic/Center (Multi-Specialty)
1801 16TH ST
GREELEY, CO 80631
Neurological Surgery
1801 16TH ST
GREELEY, CO 80631
Social Worker (Clinical)
1801 16TH ST
GREELEY, CO 80631
Nurse Anesthetist, Certified Registered
1801 16TH ST
GREELEY, CO 80631
Pharmacy (Community/Retail Pharmacy)
1801 16TH ST
GREELEY, CO 80631
Emergency Medicine
1801 16TH ST
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 Samuel Dunn's NPI number?

The NPI number for Samuel Dunn is 1326628280. It was assigned to this individual provider in the NPPES registry on April 13, 2021.

Where is Samuel Dunn located?

Samuel Dunn practices at 1801 16th St, Greeley, CO 80631. The listed phone number is (970) 810-4121.

What is Samuel Dunn's specialty?

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

Is Samuel Dunn enrolled in Medicare?

Yes. Samuel Dunn 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 Samuel Dunn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Dunn reassigns Medicare benefits to 2 organizations: Rocky Mountain State Anesthesia Providers (Greeley, CO) and Avera Mckennan (Winner, SD). 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 Samuel Dunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Dunn accept?

Health plans from Avera Health Plans, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Samuel Dunn 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 Samuel Dunn affiliated with any hospitals?

According to CMS data, Samuel Dunn is affiliated with Avera Mckennan Hospital & University Health Center.

When was this NPI record last updated?

The NPPES record for Samuel Dunn was last updated on May 19, 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.