Katherine Johnson, MD
Family Medicine Physician · Saint Paul, MN
Katherine Johnson, MD is a family medicine physician with a practice address in Saint Paul, Minnesota, and NPI 1730282518, issued on Sep 6, 2006. Check the license (Minnesota 45750, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Katherine Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 45750 MN
MD26128 OR
Self-reported in NPPES; status is on the state search - Practice location
- 333 Smith Ave N Ste 4640, Saint Paul, MN 55102
- Phone
- (651) 241-1001
- Enumerated
- Sep 6, 2006
- Record last updated
- Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (651) 241-1116
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 333 Smith Ave N Ste 4640
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 45750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,289 Medicare Part D claims for 161 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 89 claims were for opioids.
Most prescribed
- Atorvastatin Calcium178 claims
- Levothyroxine Sodium99 claims
- Lisinopril96 claims
- Metformin Hcl Er91 claims
- Omeprazole90 claims
- Trazodone Hcl80 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 practice group's MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Katherine Johnson among 3,985 family medicine physician records in Minnesota
Katherine Johnson, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2020 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
232 family medicine physician records list a practice address in Saint Paul
They are 232 of the 10,084 NPPES records with a practice address in Saint Paul, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Saint Paul → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ravi Balasubrahmanyan, MDSaint Paul, MN 551021053359760
- Jose Bernard, M.D.Saint Paul, MN 551021841239175
- Laurie Kaiser Sund, M.D.Saint Paul, MN 551021437198769
- Alan Melnychuk, MDSaint Paul, MN 551021730131483
- Ronald Otremba, MDSaint Paul, MN 551021699713305
- Donald Piper, MDSt Paul, MN 551021811083645
- Brian Prokosch, MDSaint Paul, MN 551021831152388
- Timothy Rumsey, MDSaint Paul, MN 551021124088315
Common questions
What is Katherine Johnson, MD's NPI number?
Katherine Johnson, MD's National Provider Identifier (NPI) is 1730282518, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Johnson, MD located?
The NPPES record lists a practice address at 333 Smith Ave N Ste 4640, Saint Paul, MN, 55102. Phone: (651) 241-1001. Providers update this record themselves, so call before visiting.
How can I verify Katherine Johnson, MD's license?
NPPES lists Minnesota license number 45750, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Johnson, MD prescribe under Medicare Part D?
In 2024, Katherine Johnson, MD had 2,289 Medicare Part D claims for 161 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Katherine Johnson, MD's MIPS final score?
The 2023 MIPS final score is 83.5 of 100, reported for the practice group. 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.