Parth Viroja, MD
NPI 1639416019 · Psychiatry Physician · Newark, DE
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Parth Viroja, MD is a Psychiatry Physician provider in Newark, DE (NPI 1639416019).
Provider details
- NPI number
- 1639416019
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C7-0005225 (DE)
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 tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
712 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 293 | $48 |
| Therapy Using Electrical Currents90870 | 143 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 117 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $125 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 36 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Duloxetine Hcl | 26 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 22 |
| Trazodone Hcl | 19 |
| Lamotrigine | 17 |
| Gabapentin | 16 |
| Sertraline Hcl | 15 |
| Clonazepam | 14 |
| Quetiapine Fumarate | 13 |
| Olanzapine | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-01-06
- Last updated
- 2016-12-18
Frequently asked questions
- What is Parth Viroja's NPI number?
- Parth Viroja's National Provider Identifier (NPI) is 1639416019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Parth Viroja's specialty?
- Parth Viroja is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Parth Viroja located?
- Parth Viroja's practice location on file with NPPES is 4735 Ogletown Stanton Road, Newark, DE 19713-2089.
- What is Parth Viroja's phone number?
- The practice phone number listed in the NPPES registry for Parth Viroja is (302) 623-4330.
- Does Parth Viroja accept Medicare?
- Parth Viroja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Parth Viroja's NPI active?
- Yes — Parth Viroja's NPI (1639416019) is active in the NPPES registry as of the last update on 2016-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.