Lalitha Sitaraman, MD
NPI 1184918294 · Gastroenterology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lalitha Sitaraman, MD is a Gastroenterology Physician provider in Chicago, IL (NPI 1184918294).
Provider details
- NPI number
- 1184918294
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.145924 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
320 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $100 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $149 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 27 | $136 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 25 | $7 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 23 | $111 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 27 | 15 |
| Pantoprazole Sodium | 27 | 11 |
| Linaclotidebrand: Linzess | 20 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 18 | 17 |
| Loperamide Hclbrand: Loperamide | 13 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 12 | — |
| Lubiprostone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$315 across 3 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
Registry dates
- Enumerated
- 2011-06-06
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Lalitha Sitaraman's NPI number?
- Lalitha Sitaraman's National Provider Identifier (NPI) is 1184918294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lalitha Sitaraman's specialty?
- Lalitha Sitaraman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Lalitha Sitaraman located?
- Lalitha Sitaraman's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Lalitha Sitaraman's phone number?
- The practice phone number listed in the NPPES registry for Lalitha Sitaraman is (773) 702-1000.
- Does Lalitha Sitaraman accept Medicare?
- Lalitha Sitaraman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lalitha Sitaraman's NPI active?
- Yes — Lalitha Sitaraman's NPI (1184918294) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.