Leah Marie Johnson, M.D.
Family Medicine Physician · Sioux Falls, SD
Leah Marie Johnson, M.D. is a family medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1588649636, issued on Dec 13, 2005. Check the license (South Dakota 12677, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Leah Marie Johnson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 12677 SD
33644 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S 7TH Ave, Sioux Falls, SD 57105
- Phone
- (605) 336-2140
- Enumerated
- Dec 13, 2005
- Record last updated
- Apr 18, 2022
- Fax
- (605) 336-1677
- Medicaid ID
- 1231654 IA
- Medicare enrollment
- Enrolled (PECOS I20210611002379); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Also registered at 1200 S 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly BarberFamily Nurse Practitioner1154462091
- Billie Baxa, PACPhysician Assistant1346294857
- April Beninga, DNP, FNP-CFamily Nurse Practitioner1083017560
- Stephen Billion, M.D.Internal Medicine Physician1497790984
Verify Leah Marie Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 12677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family medicine physician in 2024
4,058 Medicare Part D claims for 268 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 197 claims were for opioids.
Most prescribed
- Levothyroxine Sodium208 claims
- Atorvastatin Calcium195 claims
- Amlodipine Besylate149 claims
- Tramadol Hcl134 claims
- Gabapentin116 claims
- Losartan Potassium111 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: $28.55
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Avera MckennanSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leah Marie Johnson among 601 family medicine physician records in South Dakota
Leah Marie Johnson, M.D. is one of 601 family medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2008 among the 393 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
195 family medicine physician records list a practice address in Sioux Falls
They are 195 of the 6,563 NPPES records with a practice address in Sioux Falls, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Sioux Falls → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Brechtelsbauer, MDSioux Falls, SD 571051831177674
- Valerie Hearns, MDSioux Falls, SD 571051568456846
- Daniel Heinemann, M.D.Sioux Falls, SD 571051508861329
- Earl Kemp, MDSioux Falls, SD 571051134191547
- Janet Lindemann, MDSioux Falls, SD 571051437143724
- Robin Meyer, D.O.Sioux Falls, SD 571051417929845
- Robert Seidel, MDSioux Falls, SD 571051760488209
- Charles Shafer, M.D.Sioux Falls, SD 571051720052228
Common questions
What is Leah Marie Johnson, M.D.'s NPI number?
Leah Marie Johnson, M.D.'s National Provider Identifier (NPI) is 1588649636, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leah Marie Johnson, M.D. located?
The NPPES record lists a practice address at 1200 S 7TH Ave, Sioux Falls, SD, 57105. Phone: (605) 336-2140. Providers update this record themselves, so call before visiting.
How can I verify Leah Marie Johnson, M.D.'s license?
NPPES lists South Dakota license number 12677, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leah Marie Johnson, M.D. prescribe under Medicare Part D?
In 2024, Leah Marie Johnson, M.D. had 4,058 Medicare Part D claims for 268 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.