Elizabeth Van Dermark, CRNP-A, WH
NPI 1497888226 · Adult Health Nurse Practitioner · Frederick, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Van Dermark, CRNP-A, WH is a Adult Health Nurse Practitioner provider in Frederick, MD (NPI 1497888226).
Provider details
- NPI number
- 1497888226
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP-A, WH
- Sex
- Female
- Sole proprietor
- No
- License
- R086553 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,404 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,092 | $107 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 569 | $60 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0481 | 406 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 180 | $76 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0482 | 157 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 879 | 109 |
| Oxycodone Hcl | 704 | 86 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 543 | 62 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 443 | 62 |
| Gabapentin | 316 | 77 |
| Tramadol Hcl | 244 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,117 across 62 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
- 2007-03-13
- Last updated
- 2022-03-07
- Certified
- 2022-03-07
Frequently asked questions
- What is Elizabeth Van Dermark's NPI number?
- Elizabeth Van Dermark's National Provider Identifier (NPI) is 1497888226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Van Dermark's specialty?
- Elizabeth Van Dermark is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Van Dermark located?
- Elizabeth Van Dermark's practice location on file with NPPES is 75 Thomas Johnson Dr, Frederick, MD 21702-4895.
- What is Elizabeth Van Dermark's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Van Dermark is (301) 620-0012.
- Does Elizabeth Van Dermark accept Medicare?
- Elizabeth Van Dermark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Van Dermark's NPI active?
- Yes — Elizabeth Van Dermark's NPI (1497888226) is active in the NPPES registry as of the last update on 2022-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.