Doctor profile · Federal record

Dr. Stanley Allen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Springfield, IL

  • NPI 1285631127
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 S 6Th St
Springfield, IL 627032403
(217) 528-7541

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 17, 2012
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036100203
Medicaid
IL #036100203

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285631127. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
391
Distinct HCPCS
6
Medicare allowed
$32,578
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 187 177 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 94 87 $124
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 58 58 $50
81001 Manual urinalysis test with examination using microscope, automated 26 25 $3
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $109
36415 Insertion of needle into vein for collection of blood sample 12 12 $6

In context: peer comparison

Among 34 peers in this city , average services per provider: 218. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
472
Patients
464
Total drug cost
$5,849
Drug Type Claims Patients Total cost
Doxycycline Monohydrate Generic 86 85 $1,341
Prednisone Generic 71 71 $130
Cefuroxime (Cefuroxime Axetil) Brand 68 68 $1,325
Azithromycin Generic 38 37 $282
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 33 33 $327
Ciprofloxacin Hcl Generic 32 32 $471
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 25 25 $262
Clindamycin Hcl Generic 22 22 $146
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 20 18 $306
Tizanidine Hcl Generic 15 15 $86

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stanley Allen's medical specialty?
Dr. Stanley Allen practices Internal Medicine Physician in Springfield, IL.
Where does Dr. Stanley Allen practice?
Dr. Stanley Allen practices at 1025 S 6Th St, Springfield, IL 627032403. Office phone: 2175287541.
What is Dr. Stanley Allen's NPI?
Dr. Stanley Allen's National Provider Identifier (NPI) is 1285631127, issued by NPPES.
Does Dr. Stanley Allen accept Medicare assignment?
Yes. Dr. Stanley Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stanley Allen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635). Source: CMS Medicare Physician & Other Practitioners file.