What is Siva Sivakumar's NPI number?

Siva Sivakumar's National Provider Identifier (NPI) is 1992788442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Siva Sivakumar's specialty?

Siva Sivakumar is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).

Where is Siva Sivakumar located?

Siva Sivakumar's practice location on file with NPPES is 2401 W Belvedere Ave, Baltimore, MD 21215-5216.

What is Siva Sivakumar's phone number?

The practice phone number listed in the NPPES registry for Siva Sivakumar is (410) 521-5973.

Does Siva Sivakumar accept Medicare?

Siva Sivakumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Siva Sivakumar's NPI active?

Yes — Siva Sivakumar's NPI (1992788442) is active in the NPPES registry as of the last update on 2022-01-24.

IndividualActiveAccepts Medicare

Siva Sivakumar, MD

NPI 1992788442 · Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD

Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Siva Sivakumar, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Baltimore, MD (NPI 1992788442).

Provider details

NPI number: 1992788442
Entity type: Individual
Primary specialty: Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 247647 (MA)

Specialties & taxonomies

Critical Care Medicine (Internal Medicine) PhysicianPrimary207RC0200XLicense 280165 (NY)
Allopathic & Osteopathic Physicians
Pulmonary Disease Physician207RP1001XLicense 247647 (MA)
Allopathic & Osteopathic Physicians
Critical Care Medicine (Internal Medicine) Physician207RC0200XLicense 247647 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(73/100 index)

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
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
189 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	76	$204
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	48	$76
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223	26	$166
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	25	$114
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	14	$117

Typical Medicare-allowed amounts for these services range $76–$204 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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

2401 W Belvedere Ave

Baltimore, MD 21215-5216

Phone: (410) 521-5973

Street-level locationGet directions

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Mailing address