Zachariah Gurnsey, MD
Internal Medicine Physician · Springfield, IL
Zachariah Gurnsey, MD is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1003038423, issued on May 3, 2007. Check the license (Illinois 036-121679, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zachariah Gurnsey
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-121679 IL
Self-reported in NPPES; status is on the state search - Practice location
- 751 N Rutledge St, Springfield, IL 62702
- Phone
- (217) 545-0182
- Enumerated
- May 3, 2007
- Record last updated
- Apr 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (217) 545-8156
- Medicaid ID
- 036121679 IL
- Medicare enrollment
- Enrolled (PECOS I20090706000405); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 751 N Rutledge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachariah Gurnsey 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 036-121679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
104 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Siu Physicians And Surgeons IncSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachariah Gurnsey among 7,238 internal medicine physician records in Illinois
Zachariah Gurnsey, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2006 · median 2003 among the 3,580 with a school on file
- Record last updated2012 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Springfield
They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Benning, M.D.Springfield, IL 627021689672289
- Erik Constance, M.D.Springfield, IL 627021427033497
- Alan Deckard, M.D.Springfield, IL 627021104801190
- Nicole Florence, M.D.Springfield, IL 627021811983851
- Susan Hingle, MDSpringfield, IL 627021124003124
- Larry Holder, M.D.Springfield, IL 627021417914326
- Praveen Kandula, M.D.Springfield, IL 627021912982919
- Regina Kovach, M.D.Springfield, IL 627021164407169
Common questions
What is Zachariah Gurnsey, MD's NPI number?
Zachariah Gurnsey, MD's National Provider Identifier (NPI) is 1003038423, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Zachariah Gurnsey, MD located?
The NPPES record lists a practice address at 751 N Rutledge St, Springfield, IL, 62702. Phone: (217) 545-0182. Providers update this record themselves, so call before visiting.
How can I verify Zachariah Gurnsey, MD's license?
NPPES lists Illinois license number 036-121679, 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 Zachariah Gurnsey, MD prescribe under Medicare Part D?
In 2024, Zachariah Gurnsey, MD had 104 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.