Stanley Eric Allen, M.D.
Internal Medicine Physician · Springfield, IL
Stanley Eric Allen, M.D. is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1285631127, issued on Jul 7, 2005. Check the license (Illinois 036100203, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Stanley Eric Allen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036100203 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1025 S 6TH St, Springfield, IL 62703
- Phone
- (217) 528-7541
- Enumerated
- Jul 7, 2005
- Record last updated
- Dec 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 036100203 IL
- Medicare enrollment
- Enrolled (PECOS I20041102000920); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1025 S 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Philip Abraham, M.D.Pulmonary Disease Physician1548375629
- Jeffrey Adkins, CRNACertified Registered Nurse Anesthetist1992793954
- Deborah Albright, M.D.Internal Medicine Physician1639145360
- Jessica Alwerdt, PHYSICIAN ASSISTANTPhysician Assistant1669706057
- Audrey Anderson, CRNACertified Registered Nurse Anesthetist1386237659
Verify Stanley Eric Allen 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 036100203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
712 Medicare Part D claims for 528 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Prednisone107 claims
- Doxycycline Monohydrate102 claims
- Cefuroxime67 claims
- Azithromycin56 claims
- Amoxicillin-Clavulanate Potass48 claims
- Clindamycin Hcl35 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
- Springfield Clinic, LLPSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stanley Eric Allen among 7,238 internal medicine physician records in Illinois
Stanley Eric Allen, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · 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
- Deborah Albright, M.D.Springfield, IL 627031639145360
- Simone Borges-Young, M.D.Springfield, IL 627031871554915
- George Burns, MDSpringfield, IL 627031710957659
- Edgard Cumpa, MDSpringfield, IL 627031497743488
- George Geranios, MDSpringfield, IL 627031487607412
- Vladimir Lytchakov, MDSpringfield, IL 627031184617201
- David Pittman, M.D.Springfield, IL 627031124052030
- Stephen Randag, M.D.Springfield, IL 627031932209616
Common questions
What is Stanley Eric Allen, M.D.'s NPI number?
Stanley Eric Allen, M.D.'s National Provider Identifier (NPI) is 1285631127, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stanley Eric Allen, M.D. located?
The NPPES record lists a practice address at 1025 S 6TH St, Springfield, IL, 62703. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Stanley Eric Allen, M.D.'s license?
NPPES lists Illinois license number 036100203, 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 Stanley Eric Allen, M.D. prescribe under Medicare Part D?
In 2024, Stanley Eric Allen, M.D. had 712 Medicare Part D claims for 528 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.