Zenobia Clark, FNP-C
NPI 1255719399 · Nurse Practitioner · Matteson, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zenobia Clark, FNP-C is a Nurse Practitioner provider in Matteson, IL (NPI 1255719399).
Provider details
- NPI number
- 1255719399
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209.012335 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
11 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
110 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $78 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 28 | $47 |
| Urinalysis, Manual Test81002 | 17 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $86 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 14 | $99 |
Typical Medicare-allowed amounts for these services range $3–$99 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 42 | 40 |
| Fluticasone Propionate | 39 | 38 |
| Methylprednisolone | 39 | 38 |
| Prednisone | 32 | 31 |
| Azithromycin | 28 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 28 | 24 |
| Amoxicillin | 27 | 26 |
| Ibuprofen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$275 across 10 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
Additional practice locations (2)
- 1400 Otto BlvdChicago Heights, IL 60411-3871Phone: (708) 733-7200Fax: (708) 733-7222
- 100 W 162nd StSouth Holland, IL 60473-2003Phone: (708) 730-2200Fax: (708) 210-0636
Registry dates
- Enumerated
- 2015-05-08
- Last updated
- 2025-09-30
- Certified
- 2025-09-30
Frequently asked questions
- What is Zenobia Clark's NPI number?
- Zenobia Clark's National Provider Identifier (NPI) is 1255719399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zenobia Clark's specialty?
- Zenobia Clark is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zenobia Clark located?
- Zenobia Clark's practice location on file with NPPES is 3442 218th Pl, Matteson, IL 60443-2770.
- What is Zenobia Clark's phone number?
- The practice phone number listed in the NPPES registry for Zenobia Clark is (708) 724-8498.
- Does Zenobia Clark accept Medicare?
- Zenobia Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zenobia Clark's NPI active?
- Yes — Zenobia Clark's NPI (1255719399) is active in the NPPES registry as of the last update on 2025-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.