Jan Ryan Viloria, FNP-BC
NPI 1538611058 · Family Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Ryan Viloria, FNP-BC is a Family Nurse Practitioner provider in Baltimore, MD (NPI 1538611058).
Provider details
- NPI number
- 1538611058
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- R176726 (MD)
Specialties & taxonomies
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
9 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
202 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $80 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 37 | $99 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 28 | $16 |
| Automated Urinalysis Test81003 | 26 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 24 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 131 | 42 |
| Amlodipine Besylate | 83 | 29 |
| Rosuvastatin Calcium | 67 | 22 |
| Methylprednisolone | 58 | 52 |
| Gabapentin | 53 | 21 |
| Lisinopril | 52 | 18 |
| Azithromycin | 51 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$595 across 34 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
- 2016-11-01
- Last updated
- 2016-11-01
Frequently asked questions
- What is Jan Ryan Viloria's NPI number?
- Jan Ryan Viloria's National Provider Identifier (NPI) is 1538611058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Ryan Viloria's specialty?
- Jan Ryan Viloria is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jan Ryan Viloria located?
- Jan Ryan Viloria's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is Jan Ryan Viloria's phone number?
- The practice phone number listed in the NPPES registry for Jan Ryan Viloria is (410) 326-6683.
- Does Jan Ryan Viloria accept Medicare?
- Jan Ryan Viloria is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Ryan Viloria's NPI active?
- Yes — Jan Ryan Viloria's NPI (1538611058) is active in the NPPES registry as of the last update on 2016-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.