DR. ELIZABETH A COLLIER SIZEMORE MD
NPI 1871955666
Psychiatry & Neurology - Psychiatry in Parkersburg, WV

Q: What is Elizabeth Collier Sizemore's NPI number?

The NPI number for Elizabeth Collier Sizemore is 1871955666. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Q: What is Elizabeth Collier Sizemore's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment

800 GARFIELD AVE, PARKERSBURG, WV 26101(304) 424-2111(304) 420-7162 Get Directions Write a Review

NPPES record last updated: June 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 7, 2024, Dec 12, 2023, May 24, 2022 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Elizabeth A Collier Sizemore Md NPPES

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

DR. ELIZABETH A COLLIER SIZEMORE MD (NPI 1871955666) is an individual psychiatry provider in Parkersburg, West Virginia, licensed in West Virginia (29827) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Camden Clark Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1871955666

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ELIZABETH A COLLIER SIZEMORECredential: MD

Location Address800 GARFIELD AVEParkersburg, WV 26101-5376

Mailing Address800 Garfield AveParkersburg, WV 26101-5376 · (304) 424-2111 · Fax (304) 420-7162

Phone(304) 424-2111

Fax(304) 420-7162

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateMarch 22, 2016

Last NPPES UpdateJune 7, 20246 updates tracked since enumeration

NPPES CertifiedJune 7, 2024

✔ NPI 1871955666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in WV · 29827

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License MD483410 (PA)

800 GARFIELD AVE, Parkersburg, WV 26101

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elizabeth A Collier Sizemore 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 ID7012202625

PECOS Enrollment IDI20200810001001

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 Elizabeth Collier Sizemore reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Camden-Clark Physician Corporation

0.2 mi

Surgery

604 ANN ST
Parkersburg, WV 26101

Reassigned Medicare billing, West Virginia enrollment
461 clinicians in this Medicare group

NPI 1710125430 (304) 424-4593

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 4

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.

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.

103 services29 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.

25 services12 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services15 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

15 services13 patients

Hospital Affiliations CMS Care Compare

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

Camden Clark Medical Center

Acute Care Hospitals · Parkersburg, WV

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number510058

Location800 Garfield AveParkersburg, WV 26101 · Wood County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 26101 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

$164.59 typical visit price

range $53.20 – $164.59

Typical copayment $41.14 (range $13.30 – $41.14)

Most-billed visit code 99205

Established Patient

$66.84 typical visit price

range $16.47 – $133.29

Typical copayment $16.71 (range $4.11 – $33.32)

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.

JENNIFER BUTLER CRNA

Nurse Anesthetist, Certified Registered

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2111

SARAH RANDOLPH M.S., CCC/SLP

Speech-Language Pathologist

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2645

JUDY A COX CRNA

Nurse Anesthetist, Certified Registered

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2590

JULIE A PETTIT CRNA

Nurse Anesthetist, Certified Registered

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2590

DR. MICHAEL M DICKERSON M.D.

Emergency Medicine

800 GARFIELD AVE, HEALING CENTER AT CCMH
PARKERSBURG, WV 26101

Wood County (304) 424-2228

KRISTI BURDETTE

Pharmacist

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2120

ASWATHY MATHEWS MD

Student in an Organized Health Care Education/Training Program

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2777

KRISTINA L SULLIVAN CRNA

Nurse Anesthetist, Certified Registered

800 GARFIELD AVE
PARKERSBURG, WV 26101

Wood County (304) 424-2590

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 Collier Sizemore's NPI number?

The NPI number for Elizabeth Collier Sizemore is 1871955666. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Elizabeth Collier Sizemore located?

Elizabeth Collier Sizemore practices at 800 Garfield Ave, Parkersburg, WV 26101. The listed phone number is (304) 424-2111.

What is Elizabeth Collier Sizemore's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Elizabeth Collier Sizemore enrolled in Medicare?

Yes. Elizabeth Collier Sizemore 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 Elizabeth Collier Sizemore's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Collier Sizemore reassigns Medicare benefits to Camden-Clark Physician Corporation (Parkersburg, WV). 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 Elizabeth Collier Sizemore's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Collier Sizemore accept?

Health plans from CareSource list Elizabeth Collier Sizemore 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 Collier Sizemore affiliated with any hospitals?

According to CMS data, Elizabeth Collier Sizemore is affiliated with Camden Clark Medical Center.

When was this NPI record last updated?

The NPPES record for Elizabeth Collier Sizemore was last updated on June 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.