Marilyn Vanhorn, MD
NPI 1225292956 · Family Medicine Physician · Norfolk, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Vanhorn, MD is a Family Medicine Physician provider in Norfolk, VA (NPI 1225292956).
Provider details
- NPI number
- 1225292956
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0116018449 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
412 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 | 250 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 61 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $123 |
| Administration of Influenza Virus VaccineG0008 | 32 | $31 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $164 |
Typical Medicare-allowed amounts for these services range $16–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 86 | 26 |
| Amlodipine Besylate | 85 | 27 |
| Rosuvastatin Calcium | 70 | 25 |
| Atorvastatin Calcium | 67 | 21 |
| Duloxetine Hcl | 53 | 12 |
| Losartan Potassium | 50 | 17 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,634 across 93 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
- 2008-07-11
- Last updated
- 2020-01-22
- Certified
- 2020-01-22
Frequently asked questions
- What is Marilyn Vanhorn's NPI number?
- Marilyn Vanhorn's National Provider Identifier (NPI) is 1225292956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Vanhorn's specialty?
- Marilyn Vanhorn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marilyn Vanhorn located?
- Marilyn Vanhorn's practice location on file with NPPES is 400 W Brambleton Ave, Norfolk, VA 23510-1115.
- What is Marilyn Vanhorn's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Vanhorn is (757) 627-6220.
- Does Marilyn Vanhorn accept Medicare?
- Marilyn Vanhorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Vanhorn's NPI active?
- Yes — Marilyn Vanhorn's NPI (1225292956) is active in the NPPES registry as of the last update on 2020-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.