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RIANNON HERR APRN
NPI 1578342010
Nurse Practitioner - Critical Care Medicine in Indianapolis, IN

Active since September 25, 2023PECOS EnrolledAccepts Medicare Assignment
720 ESKENAZI AVE, INDIANAPOLIS, IN 46202(317) 880-7666 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 19, 2025, Nov 10, 2025, Sep 18, 2025 (3 updates tracked since 2025).

About Riannon Herr Aprn NPPES

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

RIANNON HERR APRN (NPI 1578342010) is an individual critical care medicine provider in Indianapolis, Indiana, licensed in Nevada (861707) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1578342010
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameRIANNON HERRCredential: APRN
Location Address720 ESKENAZI AVEIndianapolis, IN 46202-5187
Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939
Phone(317) 880-7666
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 25, 2023
Last NPPES UpdateDecember 19, 20253 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
✔ NPI 1578342010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in NV · 861707
Also ListedNurse PractitionerTaxonomy 363L00000X · License 71016947A (IN)
720 ESKENAZI AVE, Indianapolis, IN 46202
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Riannon Herr Aprn 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 ID3173973062
PECOS Enrollment IDI20250829001811
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 3

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.
131 services129 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.
34 services23 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.
20 services18 patients

Hospital Affiliations CMS Care Compare

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

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
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.

MRS. ALEXIS A DAVIS LCSW
Marriage & Family Therapist
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-8484
MRS. ASHLEY BROWNING NP
Nurse Practitioner
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
CHIEMELA U UBAGHARAJI MD
Internal Medicine
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
HANNAH MARIE WRIGHT
Social Worker (Clinical)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-7666
KATHRYN IRENE FRANK RN, PHD
Registered Nurse
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-6583
ANISHKA KAPPALAYIL MD
Internal Medicine (Pulmonary Disease)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
HEATHER AMOS RN
Registered Nurse (Emergency)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
CHRIS J HARTMAN MD
Emergency Medicine
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 639-6671

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 Riannon Herr's NPI number?

The NPI number for Riannon Herr is 1578342010. It was assigned to this individual provider in the NPPES registry on September 25, 2023.

Where is Riannon Herr located?

Riannon Herr practices at 720 Eskenazi Ave, Indianapolis, IN 46202. The listed phone number is (317) 880-7666.

What is Riannon Herr's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Riannon Herr enrolled in Medicare?

Yes. Riannon Herr 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 Riannon Herr accept?

Health plans from CareSource list Riannon Herr 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 Riannon Herr affiliated with any hospitals?

According to CMS data, Riannon Herr is affiliated with Eskenazi Health.

When was this NPI record last updated?

The NPPES record for Riannon Herr was last updated on December 19, 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.