Sridhar Chalasani, MD
NPI 1063494607 · Colon & Rectal Surgery Physician · Battle Creek, MI
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sridhar Chalasani, MD is a Colon & Rectal Surgery Physician provider in Battle Creek, MI (NPI 1063494607).
Provider details
- NPI number
- 1063494607
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- SC077498 (MI)
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
20 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
384 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 77 | $134 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 61 | $243 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 53 | $48 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 34 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $64 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 46 | 45 |
| Mesalamine | 37 | 15 |
| Dicyclomine Hcl | 36 | 17 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 25 | 25 |
| Metronidazole | 22 | 22 |
| Loperamide Hclbrand: Loperamide | 19 | — |
| Budesonidebrand: Budesonide Dr | 18 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 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
- 2005-11-18
- Last updated
- 2023-11-27
- Certified
- 2020-10-02
Frequently asked questions
- What is Sridhar Chalasani's NPI number?
- Sridhar Chalasani's National Provider Identifier (NPI) is 1063494607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sridhar Chalasani's specialty?
- Sridhar Chalasani is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Sridhar Chalasani located?
- Sridhar Chalasani's practice location on file with NPPES is 3770 Capital Ave Sw, Battle Creek, MI 49015-9411.
- What is Sridhar Chalasani's phone number?
- The practice phone number listed in the NPPES registry for Sridhar Chalasani is (269) 441-1771.
- Does Sridhar Chalasani accept Medicare?
- Sridhar Chalasani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sridhar Chalasani's NPI active?
- Yes — Sridhar Chalasani's NPI (1063494607) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.