Rajamurugan Subramaniyam
NPI 1245783257 · Critical Care Medicine (Internal Medicine) Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajamurugan Subramaniyam is a Critical Care Medicine (Internal Medicine) Physician provider in Springfield, IL (NPI 1245783257).
Provider details
- NPI number
- 1245783257
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 2016018492 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,004 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 861 | $217 |
| Critical Care, Each Additional 30 Minutes99292 | 31 | $110 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 24 | $86 |
| Ultrasound of Heart, Follow-Up93308 | 21 | $25 |
| Ultrasound Scan of Chest76604 | 20 | $27 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 18 | $146 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$349 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1800 E Lake Shore DrDecatur, IL 62521-3810Phone: (217) 464-5811Fax: (217) 464-1318
- 101 S Fairview RdColumbia, MO 65203-7637Phone: (573) 882-4464Fax: (573) 884-8142
- 6000 Hospital DrHannibal, MO 63401-6887Phone: (573) 629-3342Fax: (573) 629-3432
Registry dates
- Enumerated
- 2016-07-26
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Rajamurugan Subramaniyam's NPI number?
- Rajamurugan Subramaniyam's National Provider Identifier (NPI) is 1245783257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajamurugan Subramaniyam's specialty?
- Rajamurugan Subramaniyam is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Rajamurugan Subramaniyam located?
- Rajamurugan Subramaniyam's practice location on file with NPPES is 800 E Carpenter St, Springfield, IL 62769-7637.
- What is Rajamurugan Subramaniyam's phone number?
- The practice phone number listed in the NPPES registry for Rajamurugan Subramaniyam is (217) 544-6464.
- Does Rajamurugan Subramaniyam accept Medicare?
- Rajamurugan Subramaniyam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajamurugan Subramaniyam's NPI active?
- Yes — Rajamurugan Subramaniyam's NPI (1245783257) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.