Stewart Boyd, M.D.
NPI 1194954578 · Gastroenterology Physician · Flowood, MS
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stewart Boyd, M.D. is a Gastroenterology Physician provider in Flowood, MS (NPI 1194954578).
Provider details
- NPI number
- 1194954578
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21736 (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
16 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
1,447 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 133 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 114 | $116 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 114 | $57 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 97 | $66 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 94 | $109 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 377 | 126 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 117 | 112 |
| Pantoprazole Sodium | 99 | 38 |
| Dicyclomine Hcl | 96 | 32 |
| Sucralfate | 68 | 45 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 66 | 60 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$515 across 22 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)
- 971 Lakeland Dr Ste 250Jackson, MS 39216-4620Phone: (601) 200-5550Fax: (601) 200-4887
Registry dates
- Enumerated
- 2009-07-07
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Stewart Boyd's NPI number?
- Stewart Boyd's National Provider Identifier (NPI) is 1194954578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stewart Boyd's specialty?
- Stewart Boyd is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stewart Boyd located?
- Stewart Boyd's practice location on file with NPPES is 2510 Lakeland Dr, Flowood, MS 39232-9513.
- What is Stewart Boyd's phone number?
- The practice phone number listed in the NPPES registry for Stewart Boyd is (601) 355-1234.
- Does Stewart Boyd accept Medicare?
- Stewart Boyd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stewart Boyd's NPI active?
- Yes — Stewart Boyd's NPI (1194954578) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.