Robert Loudon, M.D.
NPI 1487608881 · Gastroenterology Physician · Alabaster, AL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Loudon, M.D. is a Gastroenterology Physician provider in Alabaster, AL (NPI 1487608881).
Provider details
- NPI number
- 1487608881
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00023791 (AL)
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
674 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) |
|---|---|---|
| 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 | 110 | $44 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 93 | $57 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 85 | $85 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 74 | $227 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 66 | $63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 668 | 227 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 230 | 226 |
| Linaclotidebrand: Linzess | 137 | 36 |
| Dicyclomine Hcl | 96 | 36 |
| Omeprazole | 84 | 31 |
| Ondansetron Hcl | 65 | 22 |
| Sucralfate | 57 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,216 across 122 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
- 2006-05-20
- Last updated
- 2007-12-04
Frequently asked questions
- What is Robert Loudon's NPI number?
- Robert Loudon's National Provider Identifier (NPI) is 1487608881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Loudon's specialty?
- Robert Loudon is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Loudon located?
- Robert Loudon's practice location on file with NPPES is 1010 1st St N, Alabaster, AL 35007-8608.
- What is Robert Loudon's phone number?
- The practice phone number listed in the NPPES registry for Robert Loudon is (205) 663-1023.
- Does Robert Loudon accept Medicare?
- Robert Loudon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Loudon's NPI active?
- Yes — Robert Loudon's NPI (1487608881) is active in the NPPES registry as of the last update on 2007-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.