DR. GUY K SLANN D.P.M.
NPI 1487945630
Podiatrist - Foot & Ankle Surgery in Williston, ND

Active since April 22, 2011PECOS Enrolled
322 MAIN ST STE 104, WILLISTON, ND 58801(701) 572-4094(866) 851-5712 Get Directions Write a Review

NPPES record last updated: March 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 14, 2026, Jan 23, 2016 (2 updates tracked since 2016).

About Dr. Guy K Slann D.p.m. NPPES

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

DR. GUY K SLANN D.P.M. (NPI 1487945630) is an individual foot & ankle surgery provider in Williston, North Dakota, licensed in North Dakota (66) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health Williston, and is a graduate of Barry University School Of Podiatric Medicine (2009).

NPPES Registry Identity

NPI1487945630
Entity TypeIndividualMale
Primary Taxonomy213ES0103X
Provider Legal NameDR. GUY K SLANNCredential: D.P.M.
Location Address322 MAIN ST STE 104Williston, ND 58801-5457
Mailing Address322 Main St Ste 104Williston, ND 58801-5457 · (701) 572-4094 · Fax (866) 851-5712
Fax(866) 851-5712
Sole ProprietorYes
Medical School CMSBarry University School Of Podiatric MedicineGraduated 2009
Enumeration DateApril 22, 2011
Last NPPES UpdateMarch 14, 20262 updates tracked since enumeration
NPPES CertifiedMarch 14, 2026
NPI 1487945630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0103X
License Licensed in ND · 66
322 MAIN ST STE 104, Williston, ND 58801

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Guy K Slann D.p.m. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870762842
PECOS Enrollment IDI20131015000036
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.

Areas of Expertise CMS Part B claims 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
171 services80 patients
Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
145 services19 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
58 services58 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
22 services16 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
22 services12 patients

Hospital Affiliations CMS Care Compare

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

Chi St Alexius Health Williston

Critical Access Hospitals · Williston, ND
OwnershipVoluntary non-profit - Church
CMS Certification Number351334
Location1301 15th Ave WWilliston, ND 58801 · Williams County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES

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

Podiatrist (Foot & Ankle Surgery)
322 MAIN ST STE 104
WILLISTON, ND 58801

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 Guy Slann's NPI number?

The NPI number for Guy Slann is 1487945630. It was assigned to this individual provider in the NPPES registry on April 22, 2011.

Where is Guy Slann located?

Guy Slann practices at 322 Main St Ste 104, Williston, ND 58801. The listed phone number is (701) 572-4094.

What is Guy Slann's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Guy Slann enrolled in Medicare?

Yes. Guy Slann is registered in the Medicare PECOS enrollment system.

What insurance does Guy Slann accept?

Health plans from Blue Cross Blue Shield of North Dakota, Medica and Sanford Health Plan list Guy Slann 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 Guy Slann affiliated with any hospitals?

According to CMS data, Guy Slann is affiliated with Chi St Alexius Health Williston.

When was this NPI record last updated?

The NPPES record for Guy Slann was last updated on March 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.