Sarah Clark, DNP, FNP-BC
NPI 1821569880 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Clark, DNP, FNP-BC is a Family Nurse Practitioner provider in Chicago, IL (NPI 1821569880).
Provider details
- NPI number
- 1821569880
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 209021275 (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 tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
371 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 133 | $111 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 96 | $158 |
| Hemoglobin A1c Level83036 | 43 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $113 |
| Assessment of Emotional Or Behavioral Problems96127 | 26 | $5 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 98 | 46 |
| Lisinopril | 56 | 24 |
| Metformin Hcl | 56 | 18 |
| Gabapentin | 54 | 27 |
| Levothyroxine Sodium | 45 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 43 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-12-16
- Last updated
- 2022-06-15
- Certified
- 2022-06-15
Frequently asked questions
- What is Sarah Clark's NPI number?
- Sarah Clark's National Provider Identifier (NPI) is 1821569880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Clark's specialty?
- Sarah Clark is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Clark located?
- Sarah Clark's practice location on file with NPPES is 1725 W Harrison St Ste 263, Chicago, IL 60612-3844.
- What is Sarah Clark's phone number?
- The practice phone number listed in the NPPES registry for Sarah Clark is (312) 942-6700.
- Does Sarah Clark accept Medicare?
- Sarah Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Clark's NPI active?
- Yes — Sarah Clark's NPI (1821569880) is active in the NPPES registry as of the last update on 2022-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.