Registry data as of Aug 27, 2026

Tamara Dunlap-Workman, PA-C

Physician Assistant · Spring Valley, IL

Tamara Dunlap-Workman, PA-C is a physician assistant with a practice address in Spring Valley, Illinois, and NPI 1396811907, issued on Nov 27, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1396811907
Name
Tamara Dunlap-Workman
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
600 E 1St St, Spring Valley, IL 61362
Phone
(815) 664-1600
Enumerated
Nov 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 600 E 1St St

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

  1. Michael Arkins, R.PH.Pharmacist1881724839
  2. Elizabeth Baker, MS, RD, LDNRegistered Dietitian1427307974
  3. Jessica Brown, RDRegistered Dietitian1245838176
  4. Marilyn Csernus, LD,CDE,MS,RDNutrition Education Nutritionist1093984932
  5. Geri Dew, R.D., LDNRegistered Dietitian1659609048
  6. Christopher Differding, PA-CPhysician Assistant1295002715

Verify Tamara Dunlap-Workman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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.

22% fewer Medicare Part D claims than the average physician assistant in 2024

648 Medicare Part D claims for 457 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Tamara Dunlap-Workman648
  2. Specialty average832

Most prescribed

  1. Prednisone116 claims
  2. Cephalexin69 claims
  3. Nitrofurantoin Mono-Macro63 claims
  4. Azithromycin62 claims
  5. Doxycycline Hyclate31 claims
  6. Amoxicillin-Clavulanate Potass26 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.

One hospital or facility affiliation

  1. Osf Healthcare SystemPrinceton, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 physician assistant records list a Spring Valley practice address

They are 2 of the 73 NPPES records with a Spring Valley practice address, and 4,550 physician assistant records in Illinois.

Other physician assistant records in Illinois

  1. Brooke Aarhus, PA-CPark Ridge, IL1760985469
  2. Traci Aaron, PA-CChicago, IL1174510200
  3. Sana Abbasi, PACarol Stream, IL1831803295
  4. Susan Abbinanti, PA-CElk Grove Village, IL1679647358
  5. Katheryn Abbott, PASchaumburg, IL1356842082
  6. Noor Abdelrahman, PA-CChicago, IL1851012413
  7. Kazuko Abe, P.A.Chicago, IL1881840783
  8. Derrik AbellAnna, IL1821618471
  9. Jeanine Aberbook, PA-CChicago, IL1518664176
  10. Megan AboChicago, IL1306242318

Common questions

What is Tamara Dunlap-Workman, PA-C's NPI number?

Tamara Dunlap-Workman, PA-C's National Provider Identifier (NPI) is 1396811907, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamara Dunlap-Workman, PA-C located?

The NPPES record lists a practice address at 600 E 1St St, Spring Valley, IL, 61362. Phone: (815) 664-1600. Providers update this record themselves, so call before visiting.

How can I verify Tamara Dunlap-Workman, PA-C's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Tamara Dunlap-Workman, PA-C prescribe under Medicare Part D?

In 2024, Tamara Dunlap-Workman, PA-C had 648 Medicare Part D claims for 457 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.