MARY JOY L SIA SU MD
NPI 1356374136
Hospitalist in St Cloud, MN

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
1200 SIXTH AVE N, ST CLOUD, MN 56303(320) 251-2700 Get Directions Write a Review

NPPES record last updated: March 11, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mary Joy L Sia Su Md NPPES

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

MARY JOY L SIA SU MD (NPI 1356374136) is an individual hospitalist provider in St Cloud, Minnesota, licensed in Minnesota (44485) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with St Cloud Hospital, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1356374136
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameMARY JOY L SIA SUCredential: MD
Location Address1200 SIXTH AVE NSt Cloud, MN 56303-2735
Mailing Address1200 Sixth Ave NSt Cloud, MN 56303-2735 · (320) 251-2700
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 7, 2006
Last NPPES UpdateMarch 11, 2021
NPPES CertifiedMarch 11, 2021
NPI 1356374136 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 · 44485
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 44485 (MN)
1200 SIXTH AVE N, St Cloud, MN 56303

Other Identifiers 1

Medicaid690922100MN

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 and accepts Medicare assignment

Mary Joy L 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 ID1759411572
PECOS Enrollment IDI20100604000718
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 6

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.
293 services289 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.
227 services101 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.
88 services50 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
58 services57 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.
57 services57 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.
20 services18 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

Allina United Hospital

Acute Care Hospitals · Saint Paul, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240038
Location333 North Smith AvenueSaint Paul, MN 55102 · Ramsey 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 Paynesville Hospital

Critical Access Hospitals · Paynesville, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241349
Location200 1st Street WestPaynesville, MN 56362 · Stearns County
Emergency services Birthing friendly

Centracare Health - Monticello

Critical Access Hospitals · Monticello, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241362
Location1013 Hart BoulevardMonticello, MN 55362 · Wright 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers13 claims13 services$18.18 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$922.57 avg. paid by Medicare
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 suppliers25 claims25 services$92.56 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.

Internal Medicine (Clinical Cardiac Electrophysiology)
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303
Internal Medicine
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303
Pediatrics (Pediatric Critical Care Medicine)
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303
Dietitian, Registered
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303
Internal Medicine (Nephrology)
1200 SIXTH AVE N, CENTRACARE CLINIC RIVER CAMPUS
ST CLOUD, MN 56303
Internal Medicine (Cardiovascular Disease)
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303
Nurse Practitioner
1200 SIXTH AVE N, CENTRA CARE CLINIC
ST CLOUD, MN 56303
Internal Medicine
1200 SIXTH AVE N, CENTRACARE CLINIC
ST CLOUD, MN 56303

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 Mary Joy Sia Su's NPI number?

The NPI number for Mary Joy Sia Su is 1356374136. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Mary Joy Sia Su located?

Mary Joy Sia Su practices at 1200 Sixth Ave N, St Cloud, MN 56303. The listed phone number is (320) 251-2700.

What is Mary Joy Sia Su's specialty?

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

Is Mary Joy Sia Su enrolled in Medicare?

Yes. Mary Joy 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 Mary Joy Sia Su accept?

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

According to CMS data, Mary Joy Sia Su is affiliated with St Cloud Hospital, Allina United Hospital, Centracare- Rice Memorial Hospital, Centracare Health Paynesville Hospital and Centracare Health - Monticello.

When was this NPI record last updated?

The NPPES record for Mary Joy Sia Su was last updated on March 11, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.