Stephanus Johannes Serfontein, MD
Internal Medicine Physician · Pt Pleasant, WV
Stephanus Johannes Serfontein, MD is an internal medicine physician with a practice address in Pt Pleasant, West Virginia, and NPI 1154420990, issued on Sep 21, 2006. Check the license (West Virginia 21778, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephanus Johannes Serfontein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21778 WV
Self-reported in NPPES; status is on the state search - Practice location
- 2418 Jefferson Ave, Pt Pleasant, WV 25550
- Phone
- (304) 675-6835
- Enumerated
- Sep 21, 2006
- Record last updated
- Dec 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (304) 675-6849
- Medicaid IDs
- 2548390 OH
3810001774 WV - Medicare enrollment
- Enrolled (PECOS I20050408000045); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Verify Stephanus Johannes Serfontein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 21778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
437 Medicare Part D claims for 163 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Prednisone36 claims
- Eliquis31 claims
- Potassium Chloride31 claims
- Lisinopril17 claims
- Azithromycin13 claims
- Hydrocodone-Acetaminophen13 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.
The MIPS final score for 2023 (Medicare payment program): 90.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13.12
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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
- Charleston Area Medical Center IncHurricane, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanus Johannes Serfontein among 754 internal medicine physician records in West Virginia
Stephanus Johannes Serfontein, MD is one of 754 internal medicine physician records with a practice address in West Virginia. 80% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1986 · median 2010 among the 487 with a school on file
- Record last updated2015 · 43% 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 West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Pt Pleasant
They are 2 of the 29 NPPES records with a practice address in Pt Pleasant, and 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Every provider in Pt Pleasant → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nisar Ahmad Amin, MDPoint Pleasant, WV 255501467805648
- Harold Ayers, MDPt Pleasant, WV 255501780783670
- Zachary Bosley, D.O.Point Pleasant, WV 255501952717571
- Randall Hawkins, MDPoint Pleasant, WV 255501114936234
- Theresa Simon, MDPoint Pleasant, WV 255501356423016
- Joseph Grady, M.D.Milton, WV 255411083737720
- Christine Westfall, MDMilton, WV 255411467728998
- James Akins, M.D.Scott Depot, WV 255601285638684
Common questions
What is Stephanus Johannes Serfontein, MD's NPI number?
Stephanus Johannes Serfontein, MD's National Provider Identifier (NPI) is 1154420990, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephanus Johannes Serfontein, MD located?
The NPPES record lists a practice address at 2418 Jefferson Ave, Pt Pleasant, WV, 25550. Phone: (304) 675-6835. Providers update this record themselves, so call before visiting.
How can I verify Stephanus Johannes Serfontein, MD's license?
NPPES lists West Virginia license number 21778, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephanus Johannes Serfontein, MD prescribe under Medicare Part D?
In 2024, Stephanus Johannes Serfontein, MD had 437 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stephanus Johannes Serfontein, MD's MIPS final score?
The 2023 MIPS final score is 90.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.