Stephen E. Halpin, M.D.
Internal Medicine Physician · Hannibal, MO
Stephen E. Halpin, M.D. is an internal medicine physician with a practice address in Hannibal, Missouri, and NPI 1346229937, issued on Jan 11, 2006. Check the license (Missouri R4F66, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Stephen E. Halpin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R4F66 MO
Self-reported in NPPES; status is on the state search - Practice location
- 100 Medical Dr, Hannibal, MO 63401
- Phone
- (573) 231-3120
- Enumerated
- Jan 11, 2006
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (573) 231-3713
- Medicaid ID
- 202245304 MO
- Medicare enrollment
- Enrolled (PECOS I20051031000633); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 100 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen E. Halpin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R4F66Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,358 Medicare Part D claims for 206 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 362 claims were for opioids.
Most prescribed
- Furosemide547 claims
- Atorvastatin Calcium517 claims
- Levothyroxine Sodium379 claims
- Amlodipine Besylate373 claims
- Eliquis354 claims
- Potassium Chloride343 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $145.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Blessing HospitalHannibal, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen E. Halpin among 2,604 internal medicine physician records in Missouri
Stephen E. Halpin, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1982 · median 2006 among the 1,443 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Hannibal
They are 24 of the 569 NPPES records with a practice address in Hannibal, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Hannibal → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Roderick Bartlett, M.D.Hannibal, MO 634011649259300
- Hassan Behniay, M.DHannibal, MO 634011659537272
- Chad Brands, M.D.Hannibal, MO 634011831177146
- John Greving, DOHannibal, MO 634011043388036
- Sohail Gulzar, M.D.Hannibal, MO 634011184682015
- George Kerkemeyer, M.D.Hannibal, MO 634011083693683
- Alex Kosloff, M.D.Hannibal, MO 634011598722597
- Priscilla Long, M.D.Hannibal, MO 634011134108640
Common questions
What is Stephen E. Halpin, M.D.'s NPI number?
Stephen E. Halpin, M.D.'s National Provider Identifier (NPI) is 1346229937, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen E. Halpin, M.D. located?
The NPPES record lists a practice address at 100 Medical Dr, Hannibal, MO, 63401. Phone: (573) 231-3120. Providers update this record themselves, so call before visiting.
How can I verify Stephen E. Halpin, M.D.'s license?
NPPES lists Missouri license number R4F66, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen E. Halpin, M.D. prescribe under Medicare Part D?
In 2024, Stephen E. Halpin, M.D. had 11,358 Medicare Part D claims for 206 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.