Vadivelu Sivaraman, M.D.
NPI 1689612111 · Anesthesiology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vadivelu Sivaraman, M.D. is a Anesthesiology Physician provider in Baltimore, MD (NPI 1689612111).
Provider details
- NPI number
- 1689612111
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D54750 (MD)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
177 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 87 | $216 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $80 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 28 | $41 |
| Anesthesia for Extensive Surgery on Spine00670 | 19 | $620 |
Typical Medicare-allowed amounts for these services range $41–$620 (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
- 2006-06-04
- Last updated
- 2008-04-08
Frequently asked questions
- What is Vadivelu Sivaraman's NPI number?
- Vadivelu Sivaraman's National Provider Identifier (NPI) is 1689612111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vadivelu Sivaraman's specialty?
- Vadivelu Sivaraman is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Vadivelu Sivaraman located?
- Vadivelu Sivaraman's practice location on file with NPPES is 110 S Paca St, Baltimore, MD 21201-1642.
- What is Vadivelu Sivaraman's phone number?
- The practice phone number listed in the NPPES registry for Vadivelu Sivaraman is (410) 328-6720.
- Does Vadivelu Sivaraman accept Medicare?
- Vadivelu Sivaraman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vadivelu Sivaraman's NPI active?
- Yes — Vadivelu Sivaraman's NPI (1689612111) is active in the NPPES registry as of the last update on 2008-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.