Leonard Hart Armstrong, MD
Surgery Physician · Saint Paul, MN
Leonard Hart Armstrong, MD is a surgery physician with a practice address in Saint Paul, Minnesota, and NPI 1538314695, issued on Nov 17, 2008. Check the license (Minnesota 51319, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Leonard Hart Armstrong
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 51319 MN
Self-reported in NPPES; status is on the state search - Practice location
- 401 Phalen Blvd, Saint Paul, MN 55130
- Phone
- (651) 254-7980
- Enumerated
- Nov 17, 2008
- Record last updated
- Jan 28, 2025
- Fax
- (651) 254-7969
- Medicare enrollment
- Enrolled (PECOS I20090630000225); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 742 in Minnesota → Look up another NPI →
Also registered at 401 Phalen Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roula Altisheh, M.DAllergy & Immunology Physician1609132125
Verify Leonard Hart Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average surgery physician in 2024
465 Medicare Part D claims for 272 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 31 claims were for opioids.
Most prescribed
- Gavilyte-G127 claims
- Peg-3350 And Electrolytes91 claims
- Metronidazole46 claims
- Neomycin Sulfate44 claims
- Ondansetron Odt37 claims
- Oxycodone Hcl24 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 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).
Industry payments in 2024: $79.88
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Group Health Plan IncSaint Paul, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Hart Armstrong among 742 surgery physician records in Minnesota
Leonard Hart Armstrong, MD is one of 742 surgery physician records with a practice address in Minnesota. 68% 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 44% of them.
- NPI issued2008 · 44% of these records are older, 50% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2009 among the 430 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Minnesota
There are 742 surgery physician records in Minnesota.
All 742 in Minnesota → Every provider in Saint Paul → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Zachary BergmanSaint Paul, MN 551301811420441
- Benoit Blondeau, MD MBASaint Paul, MN 551301902872708
- Benjamin Brasseur, M.D.Saint Paul, MN 551301366836454
- Ryan Carlson, MDSt Paul, MN 551301720221963
- David Dries, MDSaint Paul, MN 551301770558520
- Jennifer Haas, MDSaint Paul, MN 551301356785620
- Sara Holden, MDSaint Paul, MN 551301730405812
- Judy Grisard, MDWoodbury, MN 551251457301905
Common questions
What is Leonard Hart Armstrong, MD's NPI number?
Leonard Hart Armstrong, MD's National Provider Identifier (NPI) is 1538314695, issued on Nov 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Hart Armstrong, MD located?
The NPPES record lists a practice address at 401 Phalen Blvd, Saint Paul, MN, 55130. Phone: (651) 254-7980. Providers update this record themselves, so call before visiting.
How can I verify Leonard Hart Armstrong, MD's license?
NPPES lists Minnesota license number 51319, 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 Leonard Hart Armstrong, MD prescribe under Medicare Part D?
In 2024, Leonard Hart Armstrong, MD had 465 Medicare Part D claims for 272 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Leonard Hart Armstrong, MD's MIPS final score?
The 2023 MIPS final score is 83 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.