NPPES file of Aug 9, 2026

Elizabeth A. Collier Sizemore, MD

Psychiatry Physician · Parkersburg, WV

Elizabeth A. Collier Sizemore, MD is a psychiatry physician with a practice address in Parkersburg, West Virginia, and NPI 1871955666, issued on Mar 22, 2016. Check the license (West Virginia 29827, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871955666
Name
Elizabeth A. Collier Sizemore
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
29827 WV
MD483410 PA
Self-reported in NPPES; status is on the state search
Practice location
800 Garfield Ave, Parkersburg, WV 26101
Phone
(304) 424-2111
Enumerated
Mar 22, 2016
Record last updated
Jun 7, 2024
Fax
(304) 420-7162
Medicare enrollment
Enrolled (PECOS I20200810001001); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 Garfield Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jose Abalos, M.D.Anesthesiology Physician1912993056
  2. Brittany AllenFamily Nurse Practitioner1750918546
  3. Jennifer Auxier, D.O.Internal Medicine Physician1821387929
  4. Suzanne Baker, RDRegistered Dietitian1952929531
  5. Chad Ball, NPAcute Care Nurse Practitioner1629628565
  6. Eric Beeson, LCPC, CRCProfessional Counselor1639485915

Verify Elizabeth A. Collier Sizemore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWest Virginia Board of Medicine
    Search for license 29827
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the West Virginia license search

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15% fewer Medicare Part D claims than the average psychiatry physician in 2024

847 Medicare Part D claims for 122 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Elizabeth Collier Sizemore847
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl62 claims
  2. Lorazepam43 claims
  3. Buspirone Hcl41 claims
  4. Quetiapine Fumarate41 claims
  5. Clonazepam40 claims
  6. Alprazolam36 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $197.20

10 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Collier Sizemore$197.20
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Camden-Clark Physician CorporationParkersburg, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Elizabeth A. Collier Sizemore among 238 psychiatry physician records in West Virginia

Elizabeth A. Collier Sizemore, MD is one of 238 psychiatry physician records with a practice address in West Virginia. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.

  • NPI issued2016 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2005 among the 143 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in West Virginia

There are 238 psychiatry physician records in West Virginia.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Amelia McPeak, D.O.Parkersburg, WV 261011538181029
  2. Cynthia Prather, MDParkersburg, WV 261011255800470
  3. Crystal Reyelts, MDParkersburg, WV 261011053751107
  4. Edna Worthington, M. D.Parkersburg, WV 261011851490759
  5. Ashley Collins, DOParkersburg, WV 261041457747933
  6. Cindy Dugan, MDParkersburg, WV 261041861525149
  7. David Walker, MDParkersburg, WV 261041003994450
  8. Richard Ajayi, MDWeirton, WV 260621902875743

Common questions

What is Elizabeth A. Collier Sizemore, MD's NPI number?

Elizabeth A. Collier Sizemore, MD's National Provider Identifier (NPI) is 1871955666, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth A. Collier Sizemore, MD located?

The NPPES record lists a practice address at 800 Garfield Ave, Parkersburg, WV, 26101. Phone: (304) 424-2111. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth A. Collier Sizemore, MD's license?

NPPES lists West Virginia license number 29827, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Elizabeth A. Collier Sizemore, MD prescribe under Medicare Part D?

In 2024, Elizabeth A. Collier Sizemore, MD had 847 Medicare Part D claims for 122 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.