NPPES file of Aug 9, 2026

Alison Davison, P.A.

Physician Assistant · Carbondale, IL

Alison Davison, P.A. is a physician assistant with a practice address in Carbondale, Illinois, and NPI 1174558399, issued on Jul 12, 2006. Check the license (Illinois 085-001876, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1174558399
Name
Alison Davison
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
085-001876 IL
Self-reported in NPPES; status is on the state search
Practice location
405 W Jackson St, Carbondale, IL 62901
Phone
(618) 549-0721
Enumerated
Jul 12, 2006
Record last updated
Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20041105000329); accepts Medicare assignment
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.
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Also registered at 405 W Jackson St

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

  1. Osama Aaflaq, M.D.Emergency Medicine Physician1083663520
  2. Moses Adeyanju, M.D.Anatomic Pathology & Clinical Pathology Physician1306820121
  3. Muhammad Armughan Ali, M.D.Internal Medicine Physician1518588060
  4. Ahmad Alnasarat, M.DInternal Medicine Physician1568193654
  5. Oluwatosin Aluko-Olokun, M.D.Emergency Medicine Physician1992168702
  6. Saad AlviHospitalist Physician1194983981

Verify Alison Davison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085-001876
    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
Find 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.

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2.4 times the Medicare Part D claims of the average physician assistant in 2024

2,016 Medicare Part D claims for 177 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Alison Davison2,016
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium173 claims
  2. Albuterol Sulfate Hfa88 claims
  3. Levothyroxine Sodium82 claims
  4. Lisinopril79 claims
  5. Amlodipine Besylate76 claims
  6. Omeprazole66 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.

Bills Medicare through one group practice

  1. Physician Services Corporation OF Southern Illinois IncCentralia, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alison Davison among 4,926 physician assistant records in Illinois

Alison Davison, P.A. 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
  • Graduated2002 · median 2019 among the 3,407 with a school on file
  • Record last updated2020 · 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.

The 8 physician assistant records with the nearest ZIP codes

  1. Jill Absher, PA-CCarbondale, IL 629011831284264
  2. Patricia Boudet, PACarbondale, IL 629011841237120
  3. Mary Brandenburg, PACarbondale, IL 629011649385873
  4. Michael Bryant, PA-CCarbondale, IL 629011871542811
  5. Gerald Cameron, PA-CCarbondale, IL 629011134235955
  6. Tarah Cranick, PACarbondale, IL 629011750471595
  7. Anne Fairfield, P.A.-C.Carbondale, IL 629011154334258
  8. Melody Hof, PA-CCarbondale, IL 629011356379945

Common questions

What is Alison Davison, P.A.'s NPI number?

Alison Davison, P.A.'s National Provider Identifier (NPI) is 1174558399, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alison Davison, P.A. located?

The NPPES record lists a practice address at 405 W Jackson St, Carbondale, IL, 62901. Phone: (618) 549-0721. Providers update this record themselves, so call before visiting.

How can I verify Alison Davison, P.A.'s license?

NPPES lists Illinois license number 085-001876, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Alison Davison, P.A. prescribe under Medicare Part D?

In 2024, Alison Davison, P.A. had 2,016 Medicare Part D claims for 177 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.