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DR. LARISSA M. CHISM BUGGS MD
NPI 1952460933
Psychiatry & Neurology - Psychiatry in South Bend, IN

Active since December 06, 2006PECOS EnrolledAccepts Medicare Assignment
3607 S MAIN ST STE 1, SOUTH BEND, IN 46614(574) 345-5497(877) 450-0123 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 17, 2025, Sep 16, 2025, Sep 20, 2024 and 2 more (5 updates tracked since 2020).

About Dr. Larissa M. Chism Buggs Md NPPES

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

DR. LARISSA M. CHISM BUGGS MD (NPI 1952460933) is an individual psychiatry provider in South Bend, Indiana, licensed in Montana (MED-PHYS-LIC-118499) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1952460933
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. LARISSA M. CHISM BUGGSCredential: MD
Location Address3607 S MAIN ST STE 1South Bend, IN 46614-1723
Mailing Address3607 S Main St Ste 1South Bend, IN 46614-1723 · (574) 367-5350 · Fax (877) 450-0123
Phone(574) 345-5497
Fax(877) 450-0123
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2002
Enumeration DateDecember 6, 2006
Last NPPES UpdateNovember 17, 20255 updates tracked since enumeration
NPPES CertifiedNovember 17, 2025
✔ NPI 1952460933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MT · MED-PHYS-LIC-118499✔ Licensed in IN · 01065230A✔ Licensed in TX · V2869✔ Licensed in ND · 20360✔ Licensed in IL · 036163626
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3607 S MAIN ST STE 1, South Bend, IN 46614
Open in Google Maps ↗

Other Names 1

Former Name (1)Larissa Chism Md

Secondary Practice Locations 6

Location 1330 Lakeview DrGoshen, IN 46528-9365 · Phone (574) 533-1234 · Fax (574) 537-2652
Location 2334 Town Center AveBig Sky, MT 59716 · Phone (406) 414-5000
Location 38111 S Emerson AveIndianapolis, IN 46237-8601 · Phone (317) 528-5261 · Fax (317) 528-5026
Location 41800 E Interstate AveBismarck, ND 58503-1399 · Phone (701) 323-8800
Location 55101 Willow Springs RdLA Grange, IL 60525-2600 · Phone (708) 245-9000
Location 6915 Highland BlvdBozeman, MT 59715-6902 · Phone (406) 414-5000

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

Dr. Larissa M. Chism Buggs 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 ID2769579069
PECOS Enrollment IDI20080805000038, I20250424003361, I20251001002419
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

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.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
14 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450424
Location4401 Garth RoadBaytown, TX 77521 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670122
Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46614 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Larissa Chism Buggs's NPI number?

The NPI number for Larissa Chism Buggs is 1952460933. It was assigned to this individual provider in the NPPES registry on December 6, 2006. The provider is also known as Larissa Chism MD.

Where is Larissa Chism Buggs located?

Larissa Chism Buggs practices at 3607 S Main St Ste 1, South Bend, IN 46614. The listed phone number is (574) 345-5497.

What is Larissa Chism Buggs's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Larissa Chism Buggs enrolled in Medicare?

Yes. Larissa Chism Buggs 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 Larissa Chism Buggs accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 7 other insurers list Larissa Chism Buggs 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 Larissa Chism Buggs affiliated with any hospitals?

According to CMS data, Larissa Chism Buggs is affiliated with Houston Methodist Baytown Hospital, Houston Methodist Sugarland Hospital, Houston Methodist Willowbrook Hospital, Houston Methodist West Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Larissa Chism Buggs was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.