NPPES file of Aug 9, 2026

Marcus Greatens, MD

Orthopaedic Surgery Physician · Eau Claire, WI

Marcus Greatens, MD is an orthopaedic surgery physician with a practice address in Eau Claire, Wisconsin, and NPI 1538570411, issued on May 14, 2014. Check the license (Wisconsin 73594, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538570411
Name
Marcus Greatens
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
73594 WI
62396 CO
4301105130 MI
67604 MN
Self-reported in NPPES; status is on the state search
Practice location
1400 Bellinger St, Eau Claire, WI 54703
Phone
(715) 838-5222
Enumerated
May 14, 2014
Record last updated
Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200929002318); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1400 Bellinger St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ajit Abraham, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1487899936
  2. Gina Adel, MDRheumatology Physician1841231727
  3. Adeniyi Adenote, PT, DPTPhysical Therapist1114564333
  4. Kirsten Aexel Handley, CNMAdvanced Practice Midwife1952523078
  5. Andrea Aguayo, PHARMDPharmacist1003507492
  6. Boshra Al Ibraheem, MDFamily Medicine Physician1376399444

Verify Marcus Greatens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 73594
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

12% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

304 Medicare Part D claims for 153 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 83 claims were for opioids.

  1. Marcus Greatens304
  2. Specialty average346

Most prescribed

  1. Amoxicillin133 claims
  2. Oxycodone Hcl66 claims
  3. Methocarbamol21 claims
  4. Meloxicam18 claims
  5. Clindamycin Hcl14 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: $1,295.75

19 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcus Greatens$1,296
  2. Specialty average$23,023

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

  1. Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcus Greatens among 656 orthopaedic surgery physician records in Wisconsin

Marcus Greatens, MD is one of 656 orthopaedic surgery physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 18% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2006 among the 401 with a school on file
  • Record last updated2021 · 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 207X00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Wisconsin

There are 656 orthopaedic surgery physician records in Wisconsin.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Douglas Auleta, MDEau Claire, WI 547031396724787
  2. Douglas Bartels, MDEau Claire, WI 547031508220187
  3. Edgar Hicks, M.D.Eau Claire, WI 547031538190483
  4. Tina Hogan, MDEau Claire, WI 547031760794275
  5. Thomas Israel, MDEau Claire, WI 547031720056708
  6. James Manz, MDEau Claire, WI 547031285602268
  7. Leland Mayer, MDEau Claire, WI 547031023097417
  8. William Morin, MDEau Claire, WI 547031386623627

Common questions

What is Marcus Greatens, MD's NPI number?

Marcus Greatens, MD's National Provider Identifier (NPI) is 1538570411, issued on May 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Marcus Greatens, MD located?

The NPPES record lists a practice address at 1400 Bellinger St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.

How can I verify Marcus Greatens, MD's license?

NPPES lists Wisconsin license number 73594, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcus Greatens, MD prescribe under Medicare Part D?

In 2024, Marcus Greatens, MD had 304 Medicare Part D claims for 153 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.