Leonard Weinstock, MD
NPI 1467566703 · Gastroenterology Physician · Creve Coeur, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Weinstock, MD is a Gastroenterology Physician provider in Creve Coeur, MO (NPI 1467566703).
Provider details
- NPI number
- 1467566703
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R4F99 (MO)
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
19 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
1,449 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 | 223 | $239 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 220 | $114 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $121 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 99 | $91 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 94 | $46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 593 | 551 |
| Pantoprazole Sodium | 189 | 63 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 186 | 185 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 142 | 140 |
| Famotidine | 141 | 50 |
| Omeprazole | 137 | 61 |
| Linaclotidebrand: Linzess |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,669 across 187 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
- 2006-08-17
- Last updated
- 2014-03-06
Frequently asked questions
- What is Leonard Weinstock's NPI number?
- Leonard Weinstock's National Provider Identifier (NPI) is 1467566703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Weinstock's specialty?
- Leonard Weinstock is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Weinstock located?
- Leonard Weinstock's practice location on file with NPPES is 11525 Olde Cabin Rd, Creve Coeur, MO 63141-7146.
- What is Leonard Weinstock's phone number?
- The practice phone number listed in the NPPES registry for Leonard Weinstock is (314) 997-0554.
- Does Leonard Weinstock accept Medicare?
- Leonard Weinstock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Weinstock's NPI active?
- Yes — Leonard Weinstock's NPI (1467566703) is active in the NPPES registry as of the last update on 2014-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.