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WEN SUN LUM MD
NPI 1497781124
Internal Medicine in South Bend, IN

Active since June 24, 2006PECOS EnrolledAccepts Medicare Assignment
615 N MICHIGAN ST, 1ST FL HOSPITALIST STE, SOUTH BEND, IN 46601(574) 647-3050 Get Directions Write a Review

NPPES record last updated: May 1, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 1, 2023, Mar 30, 2021, Sep 19, 2017 and 1 more (4 updates tracked since 2016).

About Wen Sun Lum Md NPPES

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

WEN SUN LUM MD (NPI 1497781124) is an individual internal medicine provider in South Bend, Indiana, licensed in Indiana (01068990A) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Regional Medical Center, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1497781124
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWEN SUN LUMCredential: MD
Location Address615 N MICHIGAN ST, 1ST FL HOSPITALIST STESouth Bend, IN 46601-1033
Mailing Address3245 Health Drive, Suite 100Granger, IN 46530-3245 · (574) 647-1840
Phone(574) 647-3050
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJune 24, 2006
Last NPPES UpdateMay 1, 20234 updates tracked since enumeration
NPPES CertifiedMay 1, 2023
✔ NPI 1497781124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01068990A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
615 N MICHIGAN ST, South Bend, IN 46601
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Other Identifiers 1

Medicaid201005070IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Wen Sun Lum 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 ID7517977788
PECOS Enrollment IDI20110118000561
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 2

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.
195 services185 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.
86 services85 patients

Hospital Affiliations CMS Care Compare 3

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

Saint Joseph Regional Medical Center

Acute Care Hospitals · Mishawaka, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150012
Location5215 Holy Cross PkwyMishawaka, IN 46545 · St. Joseph County
Emergency services Birthing friendly

Memorial Hospital Of South Bend

Acute Care Hospitals · South Bend, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150058
Location615 N Michigan StSouth Bend, IN 46601 · St. Joseph County
Emergency services Birthing friendly

Community Hospital Of Bremen Inc

Critical Access Hospitals · Bremen, IN
OwnershipVoluntary non-profit - Private
CMS Certification Number151300
Location1020 High RdBremen, IN 46506 · Marshall County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46601 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier17 claims17 services$15.28 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
1 supplier18 claims18 services$79.66 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.

AARON MICHAEL MOJICA CRNA
Nurse Anesthetist, Certified Registered
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 612-2476
RACHEL ANN JENNINGS NP
Nurse Practitioner
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-1000
DR. GEVORG MARTIROSYAN PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-3119
BRANDON WELLER MD
Ophthalmology
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-1000
MELINDA DEUBNER PHARMD
Pharmacist (Critical Care)
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-6302
MELISSA MARIE GLASER RN
Registered Nurse (Case Management)
615 N MICHIGAN ST, MEMORIAL HOSPITAL- COMMUNITY HEALTH ENHANCEMENT
SOUTH BEND, IN 46601
St. Joseph County (574) 647-2173
MRS. NANCY ANN TAGHON RD
Dietitian, Registered
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-6351
DR. NICHOLAS HAROLD KERR DO
Family Medicine (Hospice and Palliative Medicine)
615 N MICHIGAN ST, 1ST FL HOSPITALIST STE
SOUTH BEND, IN 46601
St. Joseph County (574) 647-3050

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 Wen Sun Lum's NPI number?

The NPI number for Wen Sun Lum is 1497781124. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is Wen Sun Lum located?

Wen Sun Lum practices at 615 N Michigan St 1st Fl Hospitalist Ste, South Bend, IN 46601. The listed phone number is (574) 647-3050.

What is Wen Sun Lum's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wen Sun Lum enrolled in Medicare?

Yes. Wen Sun Lum 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 Wen Sun Lum accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Wen Sun Lum 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 Wen Sun Lum affiliated with any hospitals?

According to CMS data, Wen Sun Lum is affiliated with Saint Joseph Regional Medical Center, Memorial Hospital Of South Bend and Community Hospital Of Bremen Inc.

When was this NPI record last updated?

The NPPES record for Wen Sun Lum was last updated on May 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.