Jane-Claire Williams, M.D.
NPI 1578760534 · Gastroenterology Physician · Flowood, MS
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jane-Claire Williams, M.D. is a Gastroenterology Physician provider in Flowood, MS (NPI 1578760534).
Provider details
- NPI number
- 1578760534
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 19776 (MS)
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
18 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
1,389 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 Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 176 | $69 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 147 | $147 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 135 | $57 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 109 | $223 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $81 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 378 | 108 |
| Pantoprazole Sodium | 148 | 48 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 98 | 89 |
| Famotidine | 93 | 30 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 67 | 65 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 63 | 63 |
| Colesevelam Hcl | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$621 across 26 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
- 2007-07-02
- Last updated
- 2016-06-18
Frequently asked questions
- What is Jane-Claire Williams's NPI number?
- Jane-Claire Williams's National Provider Identifier (NPI) is 1578760534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jane-Claire Williams's specialty?
- Jane-Claire Williams is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jane-Claire Williams located?
- Jane-Claire Williams's practice location on file with NPPES is 2510 Lakeland Dr, Flowood, MS 39232-9513.
- What is Jane-Claire Williams's phone number?
- The practice phone number listed in the NPPES registry for Jane-Claire Williams is (601) 355-1234.
- Does Jane-Claire Williams accept Medicare?
- Jane-Claire Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jane-Claire Williams's NPI active?
- Yes — Jane-Claire Williams's NPI (1578760534) is active in the NPPES registry as of the last update on 2016-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.