Stephen Halpin, M.D.
NPI 1346229937 · Internal Medicine Physician · Hannibal, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Halpin, M.D. is a Internal Medicine Physician provider in Hannibal, MO (NPI 1346229937).
Provider details
- NPI number
- 1346229937
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R4F66 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 150 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 547 | 69 |
| Atorvastatin Calcium | 517 | 64 |
| Levothyroxine Sodium | 379 | 39 |
| Amlodipine Besylate | 373 | 40 |
| Apixabanbrand: Eliquis | 354 | 40 |
| Potassium Chloride | 343 | 47 |
| Mirabegronbrand: Myrbetriq | 342 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 across 2 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
- 2006-01-11
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Stephen Halpin's NPI number?
- Stephen Halpin's National Provider Identifier (NPI) is 1346229937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Halpin's specialty?
- Stephen Halpin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Halpin located?
- Stephen Halpin's practice location on file with NPPES is 100 Medical Dr, Hannibal, MO 63401-6877.
- What is Stephen Halpin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Halpin is (573) 231-3120.
- Does Stephen Halpin accept Medicare?
- Stephen Halpin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Halpin's NPI active?
- Yes — Stephen Halpin's NPI (1346229937) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.