NPPES file of Aug 9, 2026

Greg Harmston, MD

Family Medicine Physician · Galena, IL

Greg Harmston, MD is a family medicine physician with a practice address in Galena, Illinois, and NPI 1679549877, issued on Feb 27, 2006. Check the license (Illinois 036098377, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679549877
Name
Greg Harmston
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036098377 IL
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Dr, Galena, IL 61036
Phone
(815) 777-1340
Enumerated
Feb 27, 2006
Record last updated
Oct 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
036098377 IL
Medicare enrollment
Enrolled (PECOS I20100206000117); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 1996
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 1 Medical Center Dr

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

  1. Jennifer Berning, PT, DPTPhysical Therapist1053674226
  2. Lisa Bourquin, FNP-APNPFamily Nurse Practitioner1700308558
  3. Victoria BrueggertNurse Practitioner1992231260
  4. Debbie Cihak, M.D.Internal Medicine Physician1417908906
  5. Peter Colegrove, MDUrology Physician1184638496
  6. Gregory Dammann, M.D.Orthopaedic Surgery Physician1689652455

Verify Greg Harmston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036098377
    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 Illinois 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.

70% more Medicare Part D claims than the average family medicine physician in 2024

6,028 Medicare Part D claims for 358 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 382 claims were for opioids.

  1. Greg Harmston6,028
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium284 claims
  2. Hydrocodone-Acetaminophen222 claims
  3. Omeprazole203 claims
  4. Gabapentin201 claims
  5. Amlodipine Besylate171 claims
  6. Lisinopril168 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 MIPS final score for 2023 (Medicare payment program): 95 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $831.18

42 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Greg Harmston$831.18
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Midwest Medical CenterGalena, IL · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Greg Harmston among 6,215 family medicine physician records in Illinois

Greg Harmston, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2006 among the 3,714 with a school on file
  • Record last updated2020 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Galena

They are 7 of the 83 NPPES records with a practice address in Galena, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Gene Crist, D.O.Galena, IL 610361003866104
  2. Elizabeth Gullone, M.D.Galena, IL 610361831128412
  3. Matthew Gullone, M.D.Galena, IL 610361548290901
  4. Mary Koenigs, MDGalena, IL 610361053363903
  5. Gregory Vandigo, M.D.Galena, IL 610361194771840
  6. Michael Wells, M.D.Galena, IL 610361023082807
  7. Brian Bennett, MDFreeport, IL 610321780657270
  8. Kathleen Coe, D.O.Freeport, IL 610321396199162

Common questions

What is Greg Harmston, MD's NPI number?

Greg Harmston, MD's National Provider Identifier (NPI) is 1679549877, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Greg Harmston, MD located?

The NPPES record lists a practice address at 1 Medical Center Dr, Galena, IL, 61036. Phone: (815) 777-1340. Providers update this record themselves, so call before visiting.

How can I verify Greg Harmston, MD's license?

NPPES lists Illinois license number 036098377, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Greg Harmston, MD prescribe under Medicare Part D?

In 2024, Greg Harmston, MD had 6,028 Medicare Part D claims for 358 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Greg Harmston, MD's MIPS final score?

The 2023 MIPS final score is 95 of 100. 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.