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WALTER LO SIA SU MD
NPI 1477542371
Hospitalist in St Cloud, MN

Active since October 14, 2005PECOS EnrolledAccepts Medicare Assignment
1200 6TH AVE N, CENTRA CARE CLINIC, 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: August 02, 2026.

About Walter Lo Sia Su Md NPPES

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

WALTER LO SIA SU MD (NPI 1477542371) is an individual hospitalist provider in St Cloud, Minnesota, licensed in Minnesota (37684) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St Cloud Hospital, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1477542371
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameWALTER LO SIA SUCredential: MD
Location Address1200 6TH AVE N, CENTRA CARE CLINICSt Cloud, MN 56303-2735
Mailing Address1200 6th Ave N, Centra Care ClinicSt Cloud, MN 56303-2735 · (320) 251-2700 · Fax (320) 240-2118
Phone(320) 251-2700
Fax(320) 240-2118
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateOctober 14, 2005
Last NPPES UpdateDecember 21, 2015
✔ NPI 1477542371 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 · 37684
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 37684 (MN)
1200 6TH AVE N, St Cloud, MN 56303
Open in Google Maps ↗

Other Identifiers 11

Other0407506Medica Health Plans
OtherHP21690Health Partners
Medicare PIN110010139
Other242513100Medical Assistance
Other526021Araz Group Americas Ppo
Medicare PIN110010139MN
Other1013234Preferred One
Other379K3S1Blue Cross Blue Shield
Medicaid242513100MN
Other114449Ucare
Medicare UPINF93083

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Walter Lo Sia Su Md 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 ID2466499744
PECOS Enrollment IDI20050408000871
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.

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.
232 services226 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
68 services64 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.
31 services31 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
24 services17 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.
20 services14 patients

Hospital Affiliations CMS Care Compare 5

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

St Cloud Hospital

Acute Care Hospitals · Saint Cloud, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240036
Location1406 6th Ave NorthSaint Cloud, MN 56303 · Stearns County
Emergency services Birthing friendly

Centracare- Rice Memorial Hospital

Acute Care Hospitals · Willmar, MN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number240088
Location301 Becker Ave SWWillmar, MN 56201 · Kandiyohi County
Emergency services Birthing friendly

Centracare Health System - Long Prairie

Critical Access Hospitals · Long Prairie, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241326
Location50 Centracare DriveLong Prairie, MN 56347 · Todd County
Emergency services Birthing friendly

Centracare Health System - Melrose Hospital

Critical Access Hospitals · Melrose, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241330
Location525 West Main StreetMelrose, MN 56352 · Stearns County
Emergency services Birthing friendly

St Gabriels Hospital

Critical Access Hospitals · Little Falls, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241370
Location815 Southeast Second StreetLittle Falls, MN 56345 · Morrison County
Emergency services Birthing friendly

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.

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 Walter Sia Su's NPI number?

The NPI number for Walter Sia Su is 1477542371. It was assigned to this individual provider in the NPPES registry on October 14, 2005.

Where is Walter Sia Su located?

Walter Sia Su practices at 1200 6th Ave N Centra Care Clinic, St Cloud, MN 56303. The listed phone number is (320) 251-2700.

What is Walter Sia Su's specialty?

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

Is Walter Sia Su enrolled in Medicare?

Yes. Walter Sia Su 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.

What insurance does Walter Sia Su accept?

Health plans from Medica list Walter Sia Su 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 Walter Sia Su affiliated with any hospitals?

According to CMS data, Walter Sia Su is affiliated with St Cloud Hospital, Centracare- Rice Memorial Hospital, Centracare Health System - Long Prairie, Centracare Health System - Melrose Hospital and St Gabriels Hospital.

When was this NPI record last updated?

The NPPES record for Walter Sia Su 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.