Siva Chockalingam, MD
NPI 1356300792 · Gastroenterology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siva Chockalingam, MD is a Gastroenterology Physician provider in Columbia, SC (NPI 1356300792).
Provider details
- NPI number
- 1356300792
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 71671 (SC)
Specialties & taxonomies
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
1,746 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,055 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $75 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 123 | $96 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 109 | $113 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 79 | $246 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 529 | 162 |
| Pantoprazole Sodium | 367 | 116 |
| Sucralfate | 192 | 73 |
| Linaclotidebrand: Linzess | 160 | 45 |
| Erythromycin Basebrand: Erythromycin | 77 | 21 |
| Omeprazole | 67 | 24 |
| Misoprostol | 61 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-23
- Last updated
- 2007-12-19
Frequently asked questions
- What is Siva Chockalingam's NPI number?
- Siva Chockalingam's National Provider Identifier (NPI) is 1356300792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siva Chockalingam's specialty?
- Siva Chockalingam is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Siva Chockalingam located?
- Siva Chockalingam's practice location on file with NPPES is 1070 Wildewood Ctr Dr, Columbia, SC 29229-9740.
- What is Siva Chockalingam's phone number?
- The practice phone number listed in the NPPES registry for Siva Chockalingam is (803) 788-1100.
- Does Siva Chockalingam accept Medicare?
- Siva Chockalingam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siva Chockalingam's NPI active?
- Yes — Siva Chockalingam's NPI (1356300792) is active in the NPPES registry as of the last update on 2007-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.