NPPES file of Aug 9, 2026

Jenifer Marie Chambless, PA-C

Physician Assistant · Carbondale, IL

Jenifer Marie Chambless, PA-C is a physician assistant with a practice address in Carbondale, Illinois, and NPI 1962549790, issued on Jan 31, 2007. Check the license (Illinois 085001864, 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
1962549790
Name
Jenifer Marie Chambless
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
085001864 IL
085-001864 IL
Self-reported in NPPES; status is on the state search
Practice location
300 W Oak St, Carbondale, IL 62901
Phone
(618) 536-6621
Enumerated
Jan 31, 2007
Record last updated
Jul 29, 2024
Fax
(618) 453-1102
Medicare enrollment
Enrolled (PECOS I20100805000472); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2002
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 300 W Oak St

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

  1. Emily Berry, PA-CPhysician Assistant1053290114
  2. Jared ChristiansenPhysician Assistant1912831199
  3. Karam Dallow, MDFamily Medicine Physician1346085149
  4. Olivia Douthitt, PAPhysician Assistant1013898865
  5. Otis Duncan, MACommunity Health Worker1649060815
  6. Richard Efem, MDFamily Medicine Physician1871957514

Verify Jenifer Marie Chambless 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 085001864
    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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6% more Medicare Part D claims than the average physician assistant in 2024

883 Medicare Part D claims for 155 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 77 claims were for opioids.

  1. Jenifer Chambless883
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium37 claims
  2. Hydrocodone-Acetaminophen35 claims
  3. Amlodipine Besylate31 claims
  4. Gabapentin27 claims
  5. Lisinopril27 claims
  6. Albuterol Sulfate Hfa25 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. Board OF Trustees OF Southern Illinois UniversityCarbondale, IL

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

Jenifer Marie Chambless among 4,926 physician assistant records in Illinois

Jenifer Marie Chambless, PA-C 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 2007, is newer than 12% of them.

  • NPI issued2007 · 12% of these records are older, 83% 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 updated2024 · 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. Alison Davison, P.A.Carbondale, IL 629011174558399
  8. Anne Fairfield, P.A.-C.Carbondale, IL 629011154334258

Common questions

What is Jenifer Marie Chambless, PA-C's NPI number?

Jenifer Marie Chambless, PA-C's National Provider Identifier (NPI) is 1962549790, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jenifer Marie Chambless, PA-C located?

The NPPES record lists a practice address at 300 W Oak St, Carbondale, IL, 62901. Phone: (618) 536-6621. Providers update this record themselves, so call before visiting.

How can I verify Jenifer Marie Chambless, PA-C's license?

NPPES lists Illinois license number 085001864, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jenifer Marie Chambless, PA-C prescribe under Medicare Part D?

In 2024, Jenifer Marie Chambless, PA-C had 883 Medicare Part D claims for 155 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.