SONALI WALIA FLANNAGAN MD
NPI 1457000887
Hospitalist in Evansville, IN

Active since March 22, 2022PECOS EnrolledAccepts Medicare Assignment
600 MARY ST, EVANSVILLE, IN 47710(812) 450-5000 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2026, Aug 4, 2025, Jun 23, 2025 and 2 more (5 updates tracked since 2022).

About Sonali Walia Flannagan Md NPPES

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

SONALI WALIA FLANNAGAN MD (NPI 1457000887) is an individual hospitalist provider in Evansville, Indiana, licensed in Indiana (01095674A) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457000887
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameSONALI WALIA FLANNAGANCredential: MD
Location Address600 MARY STEvansville, IN 47710-1674
Mailing Address600 Mary StEvansville, IN 47710-1674 · (812) 450-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 22, 2022
Last NPPES UpdateJuly 15, 20265 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1457000887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in IN · 01095674A✔ Licensed in KY · 60703
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.
600 MARY ST, Evansville, IN 47710

Secondary Practice Locations 2

Location 11305 N Elm StHenderson, KY 42420-2783 · Phone (270) 827-7700
Location 24011 Gateway BlvdNewburgh, IN 47630-8947 · Phone (812) 842-2000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sonali Walia Flannagan 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 ID7012396039
PECOS Enrollment IDI20250822001097, I20250825001421
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 Reassignment

Medicare enrollment records show Sonali Flannagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical Medical Laboratory
600 MARY ST
Evansville, IN 47747
  • Reassigned Medicare billing, Indiana and Kentucky enrollments
  • Also billed through NPI 1629162573 (Kentucky)
  • 717 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

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

Good Samaritan Hospital

Acute Care Hospitals · Vincennes, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number150042
Location520 S 7th StVincennes, IN 47591 · Knox County
Emergency services Birthing friendly

Deaconess Hospital Inc

Acute Care Hospitals · Evansville, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150082
Location600 Mary StEvansville, IN 47710 · Vanderburgh County
Emergency services

Deaconess Henderson Hospital

Acute Care Hospitals · Henderson, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number180056
Location1305 N Elm StHenderson, KY 42420 · Henderson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47710 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.

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.

Dietitian, Registered
600 MARY ST
EVANSVILLE, IN 47710
Emergency Medicine
600 MARY ST
EVANSVILLE, IN 47710
Nurse Anesthetist, Certified Registered
600 MARY ST
EVANSVILLE, IN 47710
Family Medicine
600 MARY ST
EVANSVILLE, IN 47710
Nurse Anesthetist, Certified Registered
600 MARY ST
EVANSVILLE, IN 47710
Physical Medicine & Rehabilitation
600 MARY ST
EVANSVILLE, IN 47710
Internal Medicine
600 MARY ST
EVANSVILLE, IN 47710
Psychiatry & Neurology (Neurology)
600 MARY ST
EVANSVILLE, IN 47710

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 Sonali Flannagan's NPI number?

The NPI number for Sonali Flannagan is 1457000887. It was assigned to this individual provider in the NPPES registry on March 22, 2022.

Where is Sonali Flannagan located?

Sonali Flannagan practices at 600 Mary St, Evansville, IN 47710. The listed phone number is (812) 450-5000.

What is Sonali Flannagan's specialty?

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

Is Sonali Flannagan enrolled in Medicare?

Yes. Sonali Flannagan 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.

Which organization bills Medicare for Sonali Flannagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonali Flannagan reassigns Medicare benefits to Deaconess Hospital, Inc (Evansville, IN). The 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 Sonali Flannagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sonali Flannagan accept?

Health plans from CareSource and Cigna Healthcare list Sonali Flannagan 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 Sonali Flannagan affiliated with any hospitals?

According to CMS data, Sonali Flannagan is affiliated with Good Samaritan Hospital, Deaconess Hospital Inc and Deaconess Henderson Hospital.

When was this NPI record last updated?

The NPPES record for Sonali Flannagan was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.