Matthew Grant Penning, M.D.
Family Medicine Physician · Duluth, MN
Matthew Grant Penning, M.D. is a family medicine physician with a practice address in Duluth, Minnesota, and NPI 1427285543, issued on Jun 16, 2009. Check the license (Minnesota 53138, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Matthew Grant Penning
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 53138 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4190 Loberg Ave, Duluth, MN 55811
- Phone
- (218) 249-5700
- Enumerated
- Jun 16, 2009
- Record last updated
- Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (218) 249-4666
- Medicaid ID
- 1427285543 MN
- Medicare enrollment
- Enrolled (PECOS I20121112000503); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 4190 Loberg Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Donovan, MDFamily Medicine Physician1568413078
- Richard Fraser, NPFamily Nurse Practitioner1891748000
Verify Matthew Grant Penning in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 53138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average family medicine physician in 2024
6,786 Medicare Part D claims for 580 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 138 claims were for opioids.
Most prescribed
- Atorvastatin Calcium757 claims
- Lisinopril420 claims
- Amlodipine Besylate364 claims
- Losartan Potassium301 claims
- Hydrochlorothiazide278 claims
- Omeprazole266 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.
Bills Medicare through one group practice
- St. Luke's Hospital OF DuluthSuperior, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Grant Penning among 3,985 family medicine physician records in Minnesota
Matthew Grant Penning, M.D. 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 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2006 among the 2,483 with a school on file
- 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).
153 family medicine physician records list a practice address in Duluth
They are 153 of the 4,084 NPPES records with a practice address in Duluth, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Duluth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Day, M.D.Duluth, MN 558111770572695
- James Donovan, MDDuluth, MN 558111568413078
- Jocelyn Dorscher, MDHermantown, MN 558111740230929
- David HyjekHermantown, MN 558111982778064
- Benjamin Johnson, MDDuluth, MN 558111164428280
- Sean Kempke, MDHermantown, MN 558111891709531
- Bruce KnutsenHermantown, MN 558111285668855
- Elizabeth Liljeblad, MDHermantown, MN 558111104875632
Common questions
What is Matthew Grant Penning, M.D.'s NPI number?
Matthew Grant Penning, M.D.'s National Provider Identifier (NPI) is 1427285543, issued on Jun 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Grant Penning, M.D. located?
The NPPES record lists a practice address at 4190 Loberg Ave, Duluth, MN, 55811. Phone: (218) 249-5700. Providers update this record themselves, so call before visiting.
How can I verify Matthew Grant Penning, M.D.'s license?
NPPES lists Minnesota license number 53138, 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 Matthew Grant Penning, M.D. prescribe under Medicare Part D?
In 2024, Matthew Grant Penning, M.D. had 6,786 Medicare Part D claims for 580 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.