Ravishankar Shivashankar, MD
NPI 1003198938 · Neuroradiology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ravishankar Shivashankar, MD is a Neuroradiology Physician provider in Baltimore, MD (NPI 1003198938).
Provider details
- NPI number
- 1003198938
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
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 tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
26 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) |
|---|---|---|
| Insertion of Tube Into Internal Neck Artery for Diagnosis Or Treatment With Review By Radiologist36224 | 15 | $425 |
| Removal of Blood Clot and Injection to Dissolve Blood Clot From Head Artery Using Fluoroscopic Guidance61645 | 11 | $893 |
Typical Medicare-allowed amounts for these services range $425–$893 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-16
- Last updated
- 2014-02-07
Frequently asked questions
- What is Ravishankar Shivashankar's NPI number?
- Ravishankar Shivashankar's National Provider Identifier (NPI) is 1003198938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ravishankar Shivashankar's specialty?
- Ravishankar Shivashankar is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ravishankar Shivashankar located?
- Ravishankar Shivashankar's practice location on file with NPPES is 22 S Greene St # G2k14, Baltimore, MD 21201-1544.
- What is Ravishankar Shivashankar's phone number?
- The practice phone number listed in the NPPES registry for Ravishankar Shivashankar is (410) 328-5112.
- Does Ravishankar Shivashankar accept Medicare?
- Ravishankar Shivashankar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ravishankar Shivashankar's NPI active?
- Yes — Ravishankar Shivashankar's NPI (1003198938) is active in the NPPES registry as of the last update on 2014-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.