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DARIN DAVID WILLARDSEN MD
NPI 1346230034
Hospitalist in St Cloud, MN

Active since October 25, 2005PECOS Enrolled
1200 6TH AVE N, ST CLOUD, MN 56303(320) 251-2700(320) 240-2118 Get Directions Write a Review

NPPES record last updated: December 21, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Darin David Willardsen Md NPPES

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

DARIN DAVID WILLARDSEN MD (NPI 1346230034) is an individual hospitalist provider in St Cloud, Minnesota, licensed in Minnesota (41771) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346230034
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDARIN DAVID WILLARDSENCredential: MD
Location Address1200 6TH AVE NSt Cloud, MN 56303-2735
Mailing Address1200 6th Ave NSt Cloud, MN 56303-2735 · (320) 251-2700 · Fax (320) 240-2118
Phone(320) 251-2700
Fax(320) 240-2118
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateDecember 21, 2015
✔ NPI 1346230034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in MN · 41771
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 41771 (MN)
1200 6TH AVE N, St Cloud, MN 56303
Open in Google Maps ↗

Other Identifiers 11

Other81D75WIBlue Cross Blue Shield
OtherHP30227Health Partners
Medicare PIN110006793MN
Other1022874Preferred One
Other127719U-care
Other0401366Medica Health Plans
Other1085338Araz Group/america's Ppo
Other2116582First Health Plan
Medicare UPINH22145
Other305475600Medical Assistance
Medicaid305475600MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Oscar Health, Oscar Insurance Company 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 (PECOS)

Darin David Willardsen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

18

Medicare enrollment records show Darin Willardsen reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centracare Clinic
Same address
Primary Care
1200 6TH AVE N
Saint Cloud, MN 56303
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,051 clinicians in this Medicare group
NPI 1538696323 (320) 252-5131
Centracare Health System-Nr LLC
27 mi
Critical Access
1013 HART BLVD
Monticello, MN 55362
  • Reassigned Medicare billing, Minnesota enrollment
  • 285 clinicians in this Medicare group
NPI 1275872772 (763) 295-2945
Centracare Health System - Melrose
29 mi
Critical Access
525 W. MAIN STREET
Melrose, MN 56352
  • Reassigned Medicare billing, Minnesota enrollment
  • 180 clinicians in this Medicare group
NPI 1720045073 (320) 256-4231
County Of Meeker
35 mi
Rural Health
740 PARKER AVE W
Dassel, MN 55325
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1598860215 (Minnesota)
  • 125 clinicians in this Medicare group
NPI 1952555146 (320) 275-4330
Centracare Health System - Sauk Centre
40 mi
Rural Health
425 ELM ST N
Sauk Centre, MN 56378
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1740553932 (Minnesota)
  • 173 clinicians in this Medicare group
NPI 1578813762 (320) 352-2221
Centracare Health System - Long Prairie
43 mi
Critical Access
50 CENTRACARE DR
Long Prairie, MN 56347
  • Reassigned Medicare billing, Minnesota enrollment
  • 156 clinicians in this Medicare group
NPI 1164471678 (320) 732-2141
Welia Health
47 mi
Critical Access
301 HIGHWAY 65 S
Mora, MN 55051
  • Reassigned Medicare billing, Minnesota enrollment
  • 146 clinicians in this Medicare group
NPI 1528031390 (320) 679-1212
Aitkin Community Hospital, Inc.
53 mi
Rural Health
27278 STATE HIGHWAY 18
Garrison, MN 56450
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1942277835 (Minnesota)
  • 164 clinicians in this Medicare group
NPI 1790815777 (320) 525-3400
Carris Health LLC
53 mi
Emergency Medicine
301 BECKER AVE SW
Willmar, MN 56201
  • Reassigned Medicare billing, Minnesota enrollment
  • 179 clinicians in this Medicare group
NPI 1134632680 (320) 235-4543
Centracare Health - Benson LLC
72 mi
Critical Access
1815 WISCONSIN AVE
Benson, MN 56215
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1023728516 (Minnesota)
  • 95 clinicians in this Medicare group
NPI 1326757154 (320) 843-4232

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 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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
26 services25 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
25 services16 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
12 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56303 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers18 claims18 services$55.40 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$35.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ELIZABETH RENDE
Pediatrics
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 251-2700
LYNN M WELLNER REGISTERED NURSE
Registered Nurse
1200 6TH AVE N
ST CLOUD, MN 56303
Stearns County (320) 240-2206
BHARATH MANU AKKARA VEETIL MBBS
Internal Medicine (Rheumatology)
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 252-5131
ABIGAIL HOLMBERG PA
Physician Assistant (Medical)
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 240-2829
JESSICA HOLLENKAMP CNP
Nurse Practitioner
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 252-5131
CHRISTINA K ANDERSON MD
Dermatology
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 252-5131
YAGA SAINE RN, CNP
Nurse Practitioner (Adult Health)
1200 6TH AVE N, CENTRACARE CLINIC
SAINT CLOUD, MN 56303
Stearns County (320) 656-7020
JYH-YAU TSAUR MD
Internal Medicine
1200 6TH AVE N
SAINT CLOUD, MN 56303
Stearns County (320) 252-5131

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 Darin Willardsen's NPI number?

The NPI number for Darin Willardsen is 1346230034. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Darin Willardsen located?

Darin Willardsen practices at 1200 6th Ave N, St Cloud, MN 56303. The listed phone number is (320) 251-2700.

What is Darin Willardsen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Darin Willardsen enrolled in Medicare?

Yes. Darin Willardsen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Darin Willardsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darin Willardsen reassigns Medicare benefits to 18 organizations: Centracare Clinic (Saint Cloud, MN), Centracare Health System-Nr LLC (Monticello, MN), Centracare Health System - Melrose (Melrose, MN), County Of Meeker (Dassel, MN), Centracare Health System - Sauk Centre (Sauk Centre, MN) and 13 more organizations, listed in the Medicare section above. 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 Darin Willardsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Darin Willardsen accept?

Health plans from Blue Cross Blue Shield of North Dakota, Oscar Health, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Darin Willardsen 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 Darin Willardsen was last updated on December 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.