Holly Marie Loud, D.O
Emergency Medicine Physician · McHenry, IL
Holly Marie Loud, D.O is an emergency medicine physician with a practice address in McHenry, Illinois, and NPI 1831306612, issued on May 17, 2007. Check the license (Illinois 036127057, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Holly Marie Loud
- Credential
- D.O
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036127057 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4201 W Medical Center Dr, McHenry, IL 60050
- Phone
- (815) 759-3100
- Enumerated
- May 17, 2007
- Record last updated
- Jan 31, 2023
- Fax
- (815) 363-9094
- Medicaid ID
- 036127057 IL
- Medicare enrollment
- Enrolled (PECOS I20110919000204); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 4201 W Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wasfia Alikhan, M.D.Diagnostic Radiology Physician1902291834
- Yasser Almadani, MDStudent in an Organized Health Care Education/Training Program1881497634
- Altaf Aman, M.D.Hospitalist Physician1942381132
Verify Holly Marie Loud in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036127057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average emergency medicine physician in 2024
236 Medicare Part D claims for 169 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 61 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen45 claims
- Sulfamethoxazole-Trimethoprim22 claims
- Amlodipine Besylate16 claims
- Cephalexin12 claims
- Prednisone12 claims
- Methylprednisolone11 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): 94.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationMcHenry, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Holly Marie Loud among 3,291 emergency medicine physician records in Illinois
Holly Marie Loud, D.O is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 61% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2012 among the 1,867 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 emergency medicine physician records list a practice address in McHenry
They are 30 of the 1,852 NPPES records with a practice address in McHenry, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in McHenry → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Peggy Banks, D.O.McHenry, IL 600501518922962
- Theodore Banks, MDMcHenry, IL 600501790723500
- Pardeep Bhanot, MDMcHenry, IL 600501477521797
- Timothy Bollinger, DOMcHenry, IL 600501629013313
- Daniel Campagna, MDMcHenry, IL 600501437262557
- Linda Furlan, MDMcHenry, IL 600501780639716
- Oscar HabhabMcHenry, IL 600501609989813
- Brian Jokhy, M.D.McHenry, IL 600501508802554
Common questions
What is Holly Marie Loud, D.O's NPI number?
Holly Marie Loud, D.O's National Provider Identifier (NPI) is 1831306612, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Holly Marie Loud, D.O located?
The NPPES record lists a practice address at 4201 W Medical Center Dr, McHenry, IL, 60050. Phone: (815) 759-3100. Providers update this record themselves, so call before visiting.
How can I verify Holly Marie Loud, D.O's license?
NPPES lists Illinois license number 036127057, 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 Holly Marie Loud, D.O prescribe under Medicare Part D?
In 2024, Holly Marie Loud, D.O had 236 Medicare Part D claims for 169 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Holly Marie Loud, D.O's MIPS final score?
The 2023 MIPS final score is 94.1 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.