Ellen Parker, MD
NPI 1295001907 · Internal Medicine Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Parker, MD is a Internal Medicine Physician provider in Elmhurst, IL (NPI 1295001907).
Provider details
- NPI number
- 1295001907
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036137516 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
329 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 127 | $68 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $133 |
Typical Medicare-allowed amounts for these services range $68–$133 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 241 | 77 |
| Amlodipine Besylate | 228 | 68 |
| Losartan Potassium | 130 | 41 |
| Lisinopril | 128 | 37 |
| Levothyroxine Sodium | 118 | 36 |
| Metoprolol Succinate | 112 | 37 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2160 S 1st AveMaywood, IL 60153-3328Phone: (708) 216-3145Fax: (708) 327-9132
- 7005 North AveOak Park, IL 60302-1001Phone: (708) 327-1410Fax: (708) 383-8932
Registry dates
- Enumerated
- 2012-03-27
- Last updated
- 2021-04-30
- Certified
- 2021-04-30
Frequently asked questions
- What is Ellen Parker's NPI number?
- Ellen Parker's National Provider Identifier (NPI) is 1295001907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Parker's specialty?
- Ellen Parker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Parker located?
- Ellen Parker's practice location on file with NPPES is 300 N York St, Elmhurst, IL 60126-2377.
- What is Ellen Parker's phone number?
- The practice phone number listed in the NPPES registry for Ellen Parker is (708) 327-7030.
- Does Ellen Parker accept Medicare?
- Ellen Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Parker's NPI active?
- Yes — Ellen Parker's NPI (1295001907) is active in the NPPES registry as of the last update on 2021-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.