Gregory Paul Harbach, MD
Orthopaedic Surgery Physician · Rhinelander, WI
Gregory Paul Harbach, MD is an orthopaedic surgery physician with a practice address in Rhinelander, Wisconsin, and NPI 1679558290, issued on Dec 7, 2005. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Paul Harbach
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 16162 NV
2013001919 MO
Self-reported in NPPES; status is on the state search - Practice location
- 444 E Timber Dr, Rhinelander, WI 54501
- Phone
- (715) 369-2300
- Enumerated
- Dec 7, 2005
- Record last updated
- Feb 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 200974430A KS
1679558290 NV
1679558290 MO - Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 656 in Wisconsin → Look up another NPI →
Also registered at 444 E Timber Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Brusch, M.D.Sports Medicine (Physical Medicine & Rehabilitation) Physician1760822001
- Ann Chizek-Liermann, NPNurse Practitioner1780696542
- James Dyreby, M.D.Orthopaedic Surgery Physician1972666964
- Stacey Fashingbauer, PA-C, LATPhysician Assistant1932445038
- Kent Lowry, M.D.Orthopaedic Surgery Physician1396808325
- Marisa McGuireAthletic Trainer1245185925
Verify Gregory Paul Harbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
25 Medicare Part D claims for 16 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Meloxicam14 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): 84.6 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: $133.99
5 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Paul Harbach among 656 orthopaedic surgery physician records in Wisconsin
Gregory Paul Harbach, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- 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.
All 656 in Wisconsin → Every provider in Rhinelander → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- James Dyreby, M.D.Rhinelander, WI 545011972666964
- Kent Lowry, M.D.Rhinelander, WI 545011396808325
- William Padgett, M.D.Rhinelander, WI 545011982767919
- Daniel Tvedten, M.D.Rhinelander, WI 545011003979030
- Jacqueline Van Gheem, MDRhinelander, WI 545011699399352
- John McDonough, DOWisconsin Rapids, WI 544951700879525
- Todd Duellman, M.D.Wisconsin Rapids, WI 544941467493296
- Douglas Galuk, M.D.Wisconsin Rapids, WI 544941497859003
Common questions
What is Gregory Paul Harbach, MD's NPI number?
Gregory Paul Harbach, MD's National Provider Identifier (NPI) is 1679558290, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Paul Harbach, MD located?
The NPPES record lists a practice address at 444 E Timber Dr, Rhinelander, WI, 54501. Phone: (715) 369-2300. Providers update this record themselves, so call before visiting.
How can I verify Gregory Paul Harbach, MD's license?
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 Gregory Paul Harbach, MD prescribe under Medicare Part D?
In 2024, Gregory Paul Harbach, MD had 25 Medicare Part D claims for 16 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Gregory Paul Harbach, MD's MIPS final score?
The 2023 MIPS final score is 84.6 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.