Alex P. Pallas, DO
Diagnostic Radiology Physician · McHenry, IL
Alex P. Pallas, DO is a diagnostic radiology physician with a practice address in McHenry, Illinois, and NPI 1235455262, issued on Apr 15, 2010. Check the license (Illinois 036151032, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alex P. Pallas
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 036151032 IL
20A14311 CA
OS16401 FL
OS020173 PA
S7748 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4201 W Medical Center Dr, McHenry, IL 60050
- Phone
- (815) 334-5566
- Enumerated
- Apr 15, 2010
- Record last updated
- Oct 30, 2025
- Fax
- (815) 759-4008
- Medicare enrollment
- Enrolled (PECOS I20170525001359); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,874 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.
- Elias AbousaadInternal Medicine Physician1952751877
- Kimberly Ackert, PA-CPhysician Assistant1538172739
- Van AliEmergency Medicine Physician1457674582
- 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 Alex P. Pallas 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 036151032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
13 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Valacyclovir12 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): 76.7 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: $190.11
5 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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.
11 hospitals and group practices
- Uintah Basin Medical CenterRoosevelt, UT · Acute Care Hospitals2 of 5 stars
- Appalachian Mountains Medical LLCWelch, WV
- Baptist Health Medical Group IncCorbin, KY
- Enloe Medical CenterChico, CA
- Health Diagnostics OF California A Professional CorporationMonterey, CA
- Monongahela Valley Hospital IncMonongahela, PA
- Mount Nittany Medical Center Health Services IncSacramento, CA
- Simonmed Imaging Florida LLCDaly City, CA
- Smi Imaging LLCSan Bernardino, CA
- The Bellevue HospitalSacramento, CA
- Universal Radiology Partners OF Nevada LLCLas Vegas, NV
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). Star ratings are CMS hospital ratings, not ratings of this provider.
Alex P. Pallas among 1,874 diagnostic radiology physician records in Illinois
Alex P. Pallas, DO is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 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 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2004 among the 1,201 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 diagnostic radiology physician records list a practice address in McHenry
They are 36 of the 1,852 NPPES records with a practice address in McHenry, and 1,874 diagnostic radiology physician records in Illinois.
All 1,874 in Illinois → Every provider in McHenry → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Neeraj Chepuri, M.D.McHenry, IL 600501740231364
- Michael Flaherty, M.D.McHenry, IL 600501205880176
- Spiridon Gerolimatos, M.D.McHenry, IL 600501851321731
- Philip Gilroy, M.D.McHenry, IL 600501740210491
- John Guido, M.D.McHenry, IL 600501760412571
- Anoop Karna, M.D.McHenry, IL 600501689675357
- Michael Khoury, D.O.McHenry, IL 600501588616536
- Jennifer Kottra, M.D.McHenry, IL 600501477508935
Common questions
What is Alex P. Pallas, DO's NPI number?
Alex P. Pallas, DO's National Provider Identifier (NPI) is 1235455262, issued on Apr 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Alex P. Pallas, DO located?
The NPPES record lists a practice address at 4201 W Medical Center Dr, McHenry, IL, 60050. Phone: (815) 334-5566. Providers update this record themselves, so call before visiting.
How can I verify Alex P. Pallas, DO's license?
NPPES lists Illinois license number 036151032, 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 Alex P. Pallas, DO prescribe under Medicare Part D?
In 2024, Alex P. Pallas, DO had 13 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Alex P. Pallas, DO's MIPS final score?
The 2023 MIPS final score is 76.7 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.