Anuj Chhaparia, M.D.
NPI 1457747859 · Gastroenterology Physician · Saint Peters, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anuj Chhaparia, M.D. is a Gastroenterology Physician provider in Saint Peters, MO (NPI 1457747859).
Provider details
- NPI number
- 1457747859
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2018023702 (MO)
Specialties & taxonomies
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
549 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 97 | $216 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 90 | $73 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 84 | $78 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 84 | $64 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 68 | $125 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
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 |
|---|---|---|
| Ondansetron Hcl | 295 | 272 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 141 | 135 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 135 | 125 |
| Pantoprazole Sodium | 84 | 27 |
| Omeprazole | 53 | 27 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 43 | 42 |
| Peg3350/Sod Sulf,bicarb,cl/Kcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$848 across 37 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 (1)
- 1402 S Grand BlvdFdt, 14th FloorSaint Louis, MO 63104Phone: (314) 577-8762Fax: (314) 577-8100
Registry dates
- Enumerated
- 2015-04-13
- Last updated
- 2023-06-28
- Certified
- 2023-06-28
Frequently asked questions
- What is Anuj Chhaparia's NPI number?
- Anuj Chhaparia's National Provider Identifier (NPI) is 1457747859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anuj Chhaparia's specialty?
- Anuj Chhaparia is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Anuj Chhaparia located?
- Anuj Chhaparia's practice location on file with NPPES is 70 Jungermann Cir Ste 201, Saint Peters, MO 63376-1619.
- What is Anuj Chhaparia's phone number?
- The practice phone number listed in the NPPES registry for Anuj Chhaparia is (636) 916-9615.
- Does Anuj Chhaparia accept Medicare?
- Anuj Chhaparia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anuj Chhaparia's NPI active?
- Yes — Anuj Chhaparia's NPI (1457747859) is active in the NPPES registry as of the last update on 2023-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.