Gretchen Mitchell, APRN
NPI 1568159390 · Primary Care Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Mitchell, APRN is a Primary Care Nurse Practitioner provider in Chicago, IL (NPI 1568159390).
Provider details
- NPI number
- 1568159390
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 209027266 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
484 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 | 281 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $112 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 45 | $112 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $58 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $159 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 271 | 67 |
| Hydroxyurea | 51 | 13 |
| Apixabanbrand: Eliquis | 51 | 13 |
| Zanubrutinibbrand: Brukinsa | 50 | — |
| Gabapentin | 48 | 14 |
| Famotidine | 47 | 13 |
| Tramadol Hcl | 32 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$418 across 3 records (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
Registry dates
- Enumerated
- 2023-04-21
- Last updated
- 2024-04-15
- Certified
- 2024-04-15
Frequently asked questions
- What is Gretchen Mitchell's NPI number?
- Gretchen Mitchell's National Provider Identifier (NPI) is 1568159390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Mitchell's specialty?
- Gretchen Mitchell is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Mitchell located?
- Gretchen Mitchell's practice location on file with NPPES is 1520 W Harrison St, Chicago, IL 60607-3106.
- What is Gretchen Mitchell's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Mitchell is (312) 942-5904.
- Does Gretchen Mitchell accept Medicare?
- Gretchen Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Mitchell's NPI active?
- Yes — Gretchen Mitchell's NPI (1568159390) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.