DR. ELIZABETH MARIE RIDDELL MD PHARMD
NPI 1245506401
Internal Medicine - Cardiovascular Disease in Hobart, IN

Active since March 31, 2012PECOS EnrolledAccepts Medicare Assignment
1500 S LAKE PARK AVE, HOBART, IN 46342(219) 947-6017 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 30, 2025, Dec 17, 2025, Aug 10, 2022 and 1 more (4 updates tracked since 2019).

About Dr. Elizabeth Marie Riddell Md Pharmd NPPES

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

DR. ELIZABETH MARIE RIDDELL MD PHARMD (NPI 1245506401) is an individual cardiovascular disease provider in Hobart, Indiana, licensed in Indiana (01075060A) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and is a graduate of Indiana University School Of Medicine (2012).

NPPES Registry Identity

NPI1245506401
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. ELIZABETH MARIE RIDDELLCredential: MD PHARMD
Location Address1500 S LAKE PARK AVEHobart, IN 46342-6638
Mailing Address1404 Castle DrLafayette, IN 47905-8887
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2012
Enumeration DateMarch 31, 2012
Last NPPES UpdateDecember 30, 20254 updates tracked since enumeration
NPPES CertifiedDecember 30, 2025
NPI 1245506401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in IN · 01075060A
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 01075060A (IN)
Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License 01075060A (IN)
1500 S LAKE PARK AVE, Hobart, IN 46342

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

Dr. Elizabeth Marie Riddell Md Pharmd 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 ID1355698606
PECOS Enrollment IDI20190618003538
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 20

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.

Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
320 services80 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
277 services193 patients
Technetium tc-99m sestamibi, diagnostic, per study dose A9500
Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.
216 services108 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
173 services144 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015
An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.
111 services111 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
110 services110 patients

Hospital Affiliations CMS Care Compare 5

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

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150008
Location4321 Fir StreetEast Chicago, IN 46312 · Lake County
Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150034
Location1500 S Lake Park AveHobart, IN 46342 · Lake County
Emergency services Birthing friendly

Franciscan Health Lafayette

Acute Care Hospitals · Lafayette, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150109
Location1701 S Creasy LnLafayette, IN 47905 · Tippecanoe County
Emergency services Birthing friendly

St Vincent Heart Center

Acute Care Hospitals · Carmel, IN
5/5 CMS rating
OwnershipProprietary
CMS Certification Number150153
Location10580 N Meridian StCarmel, IN 46290 · Hamilton County
Emergency services

Pulaski Memorial Hospital

Critical Access Hospitals · Winamac, IN
OwnershipVoluntary non-profit - Other
CMS Certification Number151305
Location616 E 13th StWinamac, IN 46996 · Pulaski County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46342 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
$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.

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
1500 S LAKE PARK AVE
HOBART, IN 46342
Registered Nurse
1500 S LAKE PARK AVE
HOBART, IN 46342
Hospitalist
1500 S LAKE PARK AVE
HOBART, IN 46342
Pharmacist
1500 S LAKE PARK AVE
HOBART, IN 46342
Internal Medicine
1500 S LAKE PARK AVE
HOBART, IN 46342
Radiology (Diagnostic Radiology)
1500 S LAKE PARK AVE, MUNSTER RADIOLOGY GROUP
HOBART, IN 46342
Emergency Medicine
1500 S LAKE PARK AVE
HOBART, IN 46342
Pharmacist
1500 S LAKE PARK AVE
HOBART, IN 46342

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 Elizabeth Riddell's NPI number?

The NPI number for Elizabeth Riddell is 1245506401. It was assigned to this individual provider in the NPPES registry on March 31, 2012.

Where is Elizabeth Riddell located?

Elizabeth Riddell practices at 1500 S Lake Park Ave, Hobart, IN 46342. The listed phone number is (219) 947-6017.

What is Elizabeth Riddell's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Elizabeth Riddell enrolled in Medicare?

Yes. Elizabeth Riddell 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 Elizabeth Riddell accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Elizabeth Riddell 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 Elizabeth Riddell affiliated with any hospitals?

According to CMS data, Elizabeth Riddell is affiliated with St Catherine Hospital Inc, St Mary Medical Center Inc, Franciscan Health Lafayette, St Vincent Heart Center and Pulaski Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Elizabeth Riddell was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.