Stanley Allen, M.D.
Internal Medicine Physician · Springfield, IL
Stanley 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 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
- Entity
- Type 1 · individual
Also registered at 1025 S 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arun Abraham, MDFamily Medicine Physician1508020546
- Philip Abraham, M.D.Sleep Medicine (Internal Medicine) 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 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
74% 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 2,785 among the 127,794 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.
One hospital or facility affiliation
- Springfield Clinic, LLPSpringfield, 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.
260 internal medicine physician records list a Springfield practice address
They are 260 of the 4,997 NPPES records with a Springfield practice address, and 8,522 internal medicine physician records in Illinois.
All 260 in Springfield → All 8,522 in Illinois → Every provider in Springfield →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Stanley Allen, M.D.'s NPI number?
Stanley 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 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 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 Allen, M.D. prescribe under Medicare Part D?
In 2024, Stanley Allen, M.D. had 712 Medicare Part D claims for 528 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.