Alfred Darrell Johnson, MD
Internal Medicine Physician · Jefferson City, MO
Alfred Darrell Johnson, MD is an internal medicine physician with a practice address in Jefferson City, Missouri, and NPI 1396900510, issued on Jul 28, 2008. Check the license (Missouri 2012012471, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Alfred Darrell Johnson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2012012471 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1241 W Stadium Blvd, Jefferson City, MO 65109
- Phone
- (573) 635-5264
- Enumerated
- Jul 28, 2008
- Record last updated
- Jan 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (573) 634-7423
- Medicare enrollment
- Enrolled (PECOS I20120914000762); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 1241 W Stadium Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juan Allard, PH.DAudiologist1538297346
- Mariah AllenPediatrics Physician1821675687
- Imran Ashraf, MDGastroenterology Physician1659683498
- Saira Babar, M.D.Family Medicine Physician1306822317
- Conrad Balcer, D.O.Cardiovascular Disease Physician1033199740
- Indumathi Baskar, M.D.Internal Medicine Physician1083634331
Verify Alfred Darrell Johnson 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 2012012471Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,041 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 247 claims were for opioids.
Most prescribed
- Atorvastatin Calcium369 claims
- Levothyroxine Sodium277 claims
- Omeprazole256 claims
- Hydrochlorothiazide226 claims
- Losartan Potassium214 claims
- Lisinopril171 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: $788.93
47 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Jefferson City Medical Group PCJefferson City, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alfred Darrell Johnson among 2,604 internal medicine physician records in Missouri
Alfred Darrell Johnson, MD 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 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2008 · median 2006 among the 1,443 with a school on file
- Record last updated2014 · 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).
16 internal medicine physician records list a practice address in Jefferson City
They are 16 of the 1,414 NPPES records with a practice address in Jefferson City, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Jefferson City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Indumathi Baskar, M.D.Jefferson City, MO 651091083634331
- Andrew GrivasJefferson City, MO 651091285658815
- Rodd Hillard, M.D.Jefferson City, MO 651091073509907
- Sangeeta Jain-Roberts, M.D.Jefferson City, MO 651091235117698
- Steve Linsenbardt, D.O.Jefferson City, MO 651091972589711
- Simin Ovais, DOJefferson City, MO 651091306957691
- Brent Palmer, M.D.Jefferson City, MO 651091952414096
- Chad Zeglis, M.D.Jefferson City, MO 651091053751578
Common questions
What is Alfred Darrell Johnson, MD's NPI number?
Alfred Darrell Johnson, MD's National Provider Identifier (NPI) is 1396900510, issued on Jul 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Alfred Darrell Johnson, MD located?
The NPPES record lists a practice address at 1241 W Stadium Blvd, Jefferson City, MO, 65109. Phone: (573) 635-5264. Providers update this record themselves, so call before visiting.
How can I verify Alfred Darrell Johnson, MD's license?
NPPES lists Missouri license number 2012012471, 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 Alfred Darrell Johnson, MD prescribe under Medicare Part D?
In 2024, Alfred Darrell Johnson, MD had 7,041 Medicare Part D claims for 386 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.