NPPES file of Aug 9, 2026

Doctors and health care providers in Duluth, MN

4,084 individual NPPES records list a practice address in Duluth, 4th of 322 Minnesota cities. The largest group is clinical social worker: 304, 7% of the city's records, against 5% across Minnesota. Page 47 of 82.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Duluth in Minnesota

  • Rank in Minnesota4th of 322 cities by records
  • Share of the state3.1% of Minnesota's records
  • Specialties present25 or more taxonomy codes
  • Top three groups17.9% of all records
  • Clinical Social Worker rank4th of the 10 Minnesota cities with the most

Compared with Minnesota as a whole, Duluth has 5.9× the state's share of hospitalist physician records and 0.34× its share of behavior technician records.

Providers in Duluth, alphabetically

  1. Sandra Marden-LokkenPhysical Therapist1447395363
  2. Susan MarinacPhysical Therapist1639104078
  3. Angela Marino, LCSWClinical Social Worker1821339177
  4. Daniel MarkSports Medicine (Family Medicine) Physician1972539955
  5. Lindsey Markas, RDH, LDADental Hygienist1629305081
  6. Megan Markes, PA-CPhysician Assistant1023578515
  7. William Markes, PA-CPhysician Assistant1902366396
  8. Elizabeth Marks, CRNACertified Registered Nurse Anesthetist1164527255
  9. Michael Marks, CRNACertified Registered Nurse Anesthetist1134224215
  10. Kiara Marksman, ATCAthletic Trainer1386102358
  11. Jennifer Marksteiner, CNPFamily Nurse Practitioner1770991937
  12. Reed MarohnPhysician Assistant1538925383
  13. Nicole Marr, PA-CPhysician Assistant1831462605
  14. Benjamin Marsh, M.D.Urology Physician1689094567
  15. Carol Marsh, RN-CNPNurse Practitioner1750332177
  16. Brynn Marshall, PT, DPTPhysical Therapist1780093351
  17. Wendy Marshall, LPNLicensed Practical Nurse1801178397
  18. Ryan MarshikPhysical Therapist1043355969
  19. Marissa MarsolekProfessional Counselor1912460072
  20. Brian Mart, DDSDentist1326116070
  21. Alexander MartinBehavior Technician1609521913
  22. Catherine Martin, RNRegistered Nurse1821234139
  23. Justin Martin, MSW, LGSWClinical Social Worker1225727795
  24. Linda Martin, PHARM D.Pharmacist1396497277
  25. Megan Martin, PHYSICAL THERAPIST APhysical Therapy Assistant1386089654
  26. Joseph Martinelli, MDPulmonary Disease Physician1003867573
  27. Andrew Martinez, MDEmergency Medicine Physician1518548593
  28. Susan MartinezFamily Nurse Practitioner1588361596
  29. Jenny Martino, MDCritical Care Medicine (Internal Medicine) Physician1346396538
  30. Barry Martinson, RPHPharmacist1700085800
  31. Dawn MartinsonClinical Psychologist1841842150
  32. Edward Martinson, MDPhysical Medicine & Rehabilitation Physician1871656231
  33. Emily Martinson, PA-CPhysician Assistant1548945363
  34. Julie Martinson, RDHDental Hygienist1992388797
  35. Lindsey MartinsonMental Health Counselor1285251264
  36. Amy Marxhausen, RDHDental Hygienist1093102725
  37. Ashlee Marynik, PTPhysical Therapist1083956056
  38. Alexandra MasonBehavior Technician1447122288
  39. Gregory Mason, MDHospitalist Physician1437292976
  40. David Mast, MDInternal Medicine Physician1912958331
  41. Emily Matack, CNPFamily Nurse Practitioner1881978948
  42. Nicholas Matack, DDSDentist1194020719
  43. Danijela Mataic, MDNephrology Physician1407895840
  44. Cindy MathesonOccupational Therapist1497815435
  45. Kate Matson, LICSWClinical Social Worker1053642652
  46. Moriah Mattevi, M.A., CCC-SLPSpeech-Language Pathologist1871832535
  47. Lindsay Matti, MSW. LICSWClinical Social Worker1962938704
  48. Bonnie Matuseski, CRNACertified Registered Nurse Anesthetist1215987920
  49. Mark MatuseskiAnesthesiology Physician1932262391
  50. Tami Matuszak, APRN, CNPFamily Nurse Practitioner1568487098

The largest Minnesota cities

  1. Minneapolis22,918
  2. Rochester12,854
  3. Saint Paul10,084
  4. Saint Cloud3,805
  5. Edina3,697

All of Minnesota →

How to read this directory

Duluth, Minnesota appears in the CMS National Plan and Provider Enumeration System with 4,084 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Duluth - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Duluth practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Duluth is weighted toward Clinical Social Worker (304 clinicians, followed by Physical Therapist with 246 and Physician Assistant with 179). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Minnesota's population, Duluth reports roughly 71.2 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of Minnesota's most common specialties, Chiropractor is the most prominent one with no provider currently listing a Duluth practice address, a coverage gap Duluth patients typically fill by traveling to a larger nearby hub.

For Duluth patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Duluth, MN?

There are 4,084 registered healthcare providers in Duluth, MN, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Duluth?

The most common specialties in Duluth are Clinical Social Worker, Physical Therapist, Physician Assistant, Behavior Technician, Family Nurse Practitioner. Clinical Social Worker has the most providers with 304.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.