Vishnuvardhan Rao, D.O.
NPI 1679557656 · Emergency Medicine Physician · Valparaiso, IN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vishnuvardhan Rao, D.O. is a Emergency Medicine Physician provider in Valparaiso, IN (NPI 1679557656).
Provider details
- NPI number
- 1679557656
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 03611016 (IL)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
950 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 641 | $161 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 128 | $110 |
| Critical Care, First 30-74 Minutes99291 | 108 | $196 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 59 | $65 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 14 | $38 |
Typical Medicare-allowed amounts for these services range $38–$196 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 32 | 32 |
| Levofloxacin | 31 | 31 |
| Tramadol Hcl | 30 | 30 |
| Cephalexin | 29 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 25 | 25 |
| Ondansetronbrand: Ondansetron Odt | 22 | 22 |
| Azithromycin | 18 | 18 |
Practice location
Mailing address
Additional practice locations (2)
- 10855 Virginia StCrown Point, IN 46307-0210Phone: (888) 824-0200
- 85 E US Highway 6Valparaiso, IN 46383-8947Phone: (219) 983-8300
Registry dates
- Enumerated
- 2005-12-02
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is Vishnuvardhan Rao's NPI number?
- Vishnuvardhan Rao's National Provider Identifier (NPI) is 1679557656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vishnuvardhan Rao's specialty?
- Vishnuvardhan Rao is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vishnuvardhan Rao located?
- Vishnuvardhan Rao's practice location on file with NPPES is 814 Laporte Ave, Valparaiso, IN 46383-5860.
- What is Vishnuvardhan Rao's phone number?
- The practice phone number listed in the NPPES registry for Vishnuvardhan Rao is (219) 263-4700.
- Does Vishnuvardhan Rao accept Medicare?
- Vishnuvardhan Rao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vishnuvardhan Rao's NPI active?
- Yes — Vishnuvardhan Rao's NPI (1679557656) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.