Isaac A. Roberg, PA
Physician Assistant · Carbondale, IL
Isaac A. Roberg, PA is a physician assistant with a practice address in Carbondale, Illinois, and NPI 1447297676, issued on May 31, 2006. Check the license (Illinois 085002411, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaac A. Roberg
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085002411 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1390 Hope Dr, Carbondale, IL 62901
- Phone
- (618) 351-4972
- Enumerated
- May 31, 2006
- Record last updated
- Nov 18, 2025
- Fax
- (618) 351-6522
- Medicare enrollment
- Enrolled (PECOS I20050324000748); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 1390 Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Arnold, NPNurse Practitioner1376847301
- Donald Bishop, MDObstetrics & Gynecology Physician1801861380
- Gerson Criste, MDPain Medicine (Psychiatry & Neurology) Physician1265698260
- Daniel Sherwood, PAPhysician Assistant1396384533
- Yasser Youssef, MDPain Medicine (Anesthesiology) Physician1700308376
Verify Isaac A. Roberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085002411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average physician assistant in 2024
924 Medicare Part D claims for 120 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 229 claims were for opioids.
Most prescribed
- Gabapentin201 claims
- Hydrocodone-Acetaminophen110 claims
- Meloxicam110 claims
- Baclofen84 claims
- Pregabalin83 claims
- Tramadol Hcl44 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): 75.7 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: $475.05
33 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Southern Illinois Medical Services NfpCarbondale, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac A. Roberg among 4,926 physician assistant records in Illinois
Isaac A. Roberg, PA is one of 4,926 physician assistant records with a practice address in Illinois. 82% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2004 · median 2019 among the 3,407 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 physician assistant records list a practice address in Carbondale
They are 69 of the 1,088 NPPES records with a practice address in Carbondale, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Carbondale → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jill Absher, PA-CCarbondale, IL 629011831284264
- Patricia Boudet, PACarbondale, IL 629011841237120
- Mary Brandenburg, PACarbondale, IL 629011649385873
- Michael Bryant, PA-CCarbondale, IL 629011871542811
- Gerald Cameron, PA-CCarbondale, IL 629011134235955
- Tarah Cranick, PACarbondale, IL 629011750471595
- Alison Davison, P.A.Carbondale, IL 629011174558399
- Anne Fairfield, P.A.-C.Carbondale, IL 629011154334258
Common questions
What is Isaac A. Roberg, PA's NPI number?
Isaac A. Roberg, PA's National Provider Identifier (NPI) is 1447297676, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac A. Roberg, PA located?
The NPPES record lists a practice address at 1390 Hope Dr, Carbondale, IL, 62901. Phone: (618) 351-4972. Providers update this record themselves, so call before visiting.
How can I verify Isaac A. Roberg, PA's license?
NPPES lists Illinois license number 085002411, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Isaac A. Roberg, PA prescribe under Medicare Part D?
In 2024, Isaac A. Roberg, PA had 924 Medicare Part D claims for 120 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Isaac A. Roberg, PA's MIPS final score?
The 2023 MIPS final score is 75.7 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.