Doctor profile · Federal record

Dr. Ellen Parker, MD

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

  • NPI 1295001907
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 N York St
Elmhurst, IL 601262377
(708) 327-7030
fax (630) 833-8834
Additional location
2160 S 1St Ave
Maywood, IL 601533328
(708) 216-3145
fax (708) 327-9132
Additional location
7005 North Ave
Oak Park, IL 603021001
(708) 327-1410
fax (708) 383-8932
Mailing address
7005 North Ave
Oak Park, IL 603021001

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
April 30, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036137516

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295001907. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
278
Distinct HCPCS
3
Medicare allowed
$26,467
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 114 89 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 102 75 $102
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 62 62 $134

In context: peer comparison

Among 19 peers in Elmhurst Internal Medicine Physician, average services per provider: 100. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $70.52

By nature of payment

Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,460
Patients
452
Total drug cost
$20,529
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 223 71 $3,386
Amlodipine Besylate Generic 213 71 $2,087
Levothyroxine Sodium Generic 114 36 $1,486
Losartan Potassium Generic 112 38 $1,418
Lisinopril Generic 99 33 $691
Metoprolol Succinate Generic 94 34 $1,911
Gabapentin Generic 83 19 $976
Pantoprazole Sodium Generic 77 25 $1,181
Pravastatin Sodium Generic 77 25 $1,653
Rosuvastatin Calcium Generic 75 24 $1,134

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Parker's medical specialty?
Dr. Ellen Parker practices Internal Medicine Physician in Elmhurst, IL.
Where does Dr. Ellen Parker practice?
Dr. Ellen Parker practices at 300 N York St, Elmhurst, IL 601262377. Office phone: 7083277030.
What is Dr. Ellen Parker's NPI?
Dr. Ellen Parker's National Provider Identifier (NPI) is 1295001907, issued by NPPES.
Does Dr. Ellen Parker accept Medicare assignment?
Yes. Dr. Ellen Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Parker 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.