Elizabeth Collier Sizemore, MD
NPI 1871955666 · Psychiatry Physician · Parkersburg, WV
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Collier Sizemore, MD is a Psychiatry Physician provider in Parkersburg, WV (NPI 1871955666).
Provider details
- NPI number
- 1871955666
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 29827 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
158 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $119 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $125 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 15 | $108 |
Typical Medicare-allowed amounts for these services range $75–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 62 | 19 |
| Lorazepam | 43 | 15 |
| Quetiapine Fumarate | 41 | 11 |
| Buspirone Hcl | 41 | 17 |
| Clonazepam | 40 | 14 |
| Gabapentin | 36 | 11 |
| Alprazolam | 36 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$197 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2024-06-07
- Certified
- 2024-06-07
Frequently asked questions
- What is Elizabeth Collier Sizemore's NPI number?
- Elizabeth Collier Sizemore's National Provider Identifier (NPI) is 1871955666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Collier Sizemore's specialty?
- Elizabeth Collier Sizemore is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Collier Sizemore located?
- Elizabeth Collier Sizemore's practice location on file with NPPES is 800 Garfield Ave, Parkersburg, WV 26101-5376.
- What is Elizabeth Collier Sizemore's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Collier Sizemore is (304) 424-2111.
- Does Elizabeth Collier Sizemore accept Medicare?
- Elizabeth Collier Sizemore is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Collier Sizemore's NPI active?
- Yes — Elizabeth Collier Sizemore's NPI (1871955666) is active in the NPPES registry as of the last update on 2024-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.