Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CONSTANCE J OATES FNP
NPI 1013956945
Nurse Practitioner in Marietta, OH

Q: What is Constance Oates's NPI number?

The NPI number for Constance Oates is 1013956945. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Q: What is Constance Oates's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Constance Oates was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.

Active since June 06, 2006PECOS Enrolled

401 MATTHEW ST, EMERGENCY DEPARTMENT, MARIETTA, OH 45750(740) 376-1939(740) 374-1693 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Aug 9, 2021, Apr 14, 2021 and 1 more (4 updates tracked since 2021).

On this page

About Constance J Oates Fnp NPPES

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

CONSTANCE J OATES FNP (NPI 1013956945) is an individual nurse practitioner in Marietta, Ohio, licensed in Ohio (APRN.CNP.0925) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1013956945

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCONSTANCE J OATESCredential: FNP

Location Address401 MATTHEW ST, EMERGENCY DEPARTMENTMarietta, OH 45750-1635

Mailing AddressPo Box 128Waverly, WV 26184-0128 · (304) 464-4008 · Fax (904) 346-0113

Phone(740) 376-1939

Fax(740) 374-1693

Sole ProprietorYes

Enumeration DateJune 6, 2006

Last NPPES UpdateSeptember 28, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 28, 2026

✔ NPI 1013956945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in OH · APRN.CNP.0925✔ Licensed in WV · APRN24642-FNP-BC

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

401 MATTHEW ST, Marietta, OH 45750

Open in Google Maps ↗

Secondary Practice Locations 3

Location 1799 Farson ST, Emergency DeptBelpre, OH 45714-1044 · Phone (740) 401-1150

Location 21006 Washington BLVD STE G, Express CareBelpre, OH 45714-4005 · Phone (740) 423-3240

Location 3224 Pike STMarietta, OH 45750-3319 · Phone (740) 373-3960 · Fax (740) 373-3965

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Constance J Oates Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Constance Oates reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Marietta Memorial Hospital

Same address

General Acute Care Hospital

401 MATTHEW ST
Marietta, OH 45750

Reassigned Medicare billing, Ohio enrollment
411 clinicians in this Medicare group

NPI 1215936927 (740) 374-1413

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

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.

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.

28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45750 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

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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.

JANELLE A THOMAS MD

Emergency Medicine

401 MATTHEW ST, EMERGENCY DEPT
MARIETTA, OH 45750

Washington County (740) 374-1400

LEXIE MULLEN MS, CCC-SLP

Speech-Language Pathologist

401 MATTHEW ST
MARIETTA, OH 45750

Washington County (740) 374-1422

DR. DIANA WHEELER DO

Family Medicine

401 MATTHEW ST
MARIETTA, OH 45750

Washington County (740) 374-7700

JULIAN ADAM JOHN JAKUBOWSKI DO

Emergency Medicine

401 MATTHEW ST, EMERGENCY DEPARTMENT
MARIETTA, OH 45750

Washington County (740) 376-1939

GEOFFREY SIROCKMAN DO

Emergency Medicine

401 MATTHEW ST, EMERGENCY DEPARTMENT
MARIETTA, OH 45750

Washington County (740) 568-5669

PUSHPA UPRETY FNP

Nurse Practitioner (Family)

401 MATTHEW ST
MARIETTA, OH 45750

Washington County (740) 374-1494

DR. DISHA SHAH MD

Student in an Organized Health Care Education/Training Program

401 MATTHEW ST
MARIETTA, OH 45750

Washington County (740) 374-1400

SUJEETH K SHETTY M.D.

Family Medicine

401 MATTHEW ST
MARIETTA, OH 45750

Washington County (740) 376-1994

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 Constance Oates's NPI number?

The NPI number for Constance Oates is 1013956945. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Constance Oates located?

Constance Oates practices at 401 Matthew St Emergency Department, Marietta, OH 45750. The listed phone number is (740) 376-1939.

What is Constance Oates's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Constance Oates enrolled in Medicare?

Yes. Constance Oates is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Constance Oates's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Constance Oates reassigns Medicare benefits to Marietta Memorial Hospital (Marietta, OH). 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 Constance Oates's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Constance Oates accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and MedMutual list Constance Oates 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.

When was this NPI record last updated?

The NPPES record for Constance Oates was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.