MARY ELLEN CLARK CFNP
NPI 1891031621
Nurse Practitioner - Family in Warren, IN

Active since December 26, 2012PECOS EnrolledAccepts Medicare Assignment
824 HUNTINGTON AVE, WARREN, IN 46792(260) 375-2965(260) 375-2969 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 7, 2025, Sep 19, 2025, Jul 16, 2021 (3 updates tracked since 2021).

About Mary Ellen Clark Cfnp NPPES

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

MARY ELLEN CLARK CFNP (NPI 1891031621) is an individual family provider in Warren, Indiana, licensed in Indiana (71016668A) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, is affiliated with Portneuf Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1891031621
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY ELLEN CLARKCredential: CFNP
Location Address824 HUNTINGTON AVEWarren, IN 46792-9277
Mailing Address240 N Tillotson AveMuncie, IN 47304-3988 · (765) 288-1928 · Fax (765) 741-0335
Fax(260) 375-2969
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 26, 2012
Last NPPES UpdateOctober 7, 20253 updates tracked since enumeration
NPPES CertifiedOctober 7, 2025
NPI 1891031621 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses Licensed in IN · 71016668A Licensed in NM · CNP-02460 Licensed in OR · 201250210NP
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 66049 (ID)
824 HUNTINGTON AVE, Warren, IN 46792

Other Names 1

Former Name (1)Mary Ellen Herod

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

Mary Ellen Clark Cfnp 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 ID9739333824
PECOS Enrollment IDI20250922000426
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.

Hospital Affiliations CMS Care Compare 2

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

Portneuf Medical Center

Acute Care Hospitals · Pocatello, ID
4/5 CMS rating
OwnershipProprietary
CMS Certification Number130028
Location777 Hospital WayPocatello, ID 83201 · Bannock County
Emergency services Birthing friendly

Bluffton Regional Medical Center

Acute Care Hospitals · Bluffton, IN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number150075
Location303 S Main StBluffton, IN 46714 · Wells County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46792 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.

Referred Medical Equipment & Supplies CMS DME claims

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
2 suppliers12 claims12 services$16.16 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 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
824 HUNTINGTON AVE
WARREN, IN 46792
Family Medicine
824 HUNTINGTON AVE
WARREN, IN 46792
Nurse Practitioner (Family)
824 HUNTINGTON AVE
WARREN, IN 46792
Family Medicine
824 HUNTINGTON AVE
WARREN, IN 46792
Clinic/Center (Federally Qualified Health Center (FQHC))
824 HUNTINGTON AVE
WARREN, IN 46792
Family Medicine
824 HUNTINGTON AVE
WARREN, IN 46792

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 Mary Clark's NPI number?

The NPI number for Mary Clark is 1891031621. It was assigned to this individual provider in the NPPES registry on December 26, 2012. The provider is also known as Mary Ellen Herod.

Where is Mary Clark located?

Mary Clark practices at 824 Huntington Ave, Warren, IN 46792. The listed phone number is (260) 375-2965.

What is Mary Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Clark enrolled in Medicare?

Yes. Mary Clark 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 Mary Clark accept?

Health plans from Providence Health Plan list Mary Clark 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 Mary Clark affiliated with any hospitals?

According to CMS data, Mary Clark is affiliated with Portneuf Medical Center and Bluffton Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Clark was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.