Joseph Clark, MD
NPI 1972580843 · Hematology & Oncology Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Clark, MD is a Hematology & Oncology Physician provider in Maywood, IL (NPI 1972580843).
Provider details
- NPI number
- 1972580843
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36083048 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,301 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 429 | $68 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 304 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 230 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 115 | $81 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 64 | $190 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 225 | 52 |
| Cabozantinib S-Malatebrand: Cabometyx | 141 | 23 |
| Prochlorperazine Maleate | 80 | 35 |
| Prednisone | 77 | 26 |
| Axitinibbrand: Inlyta | 69 | 12 |
| Apixabanbrand: Eliquis | 45 | — |
| Ondansetron Hcl | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-30
- Last updated
- 2022-01-28
- Certified
- 2022-01-28
Frequently asked questions
- What is Joseph Clark's NPI number?
- Joseph Clark's National Provider Identifier (NPI) is 1972580843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Clark's specialty?
- Joseph Clark is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Clark located?
- Joseph Clark's practice location on file with NPPES is 2160 S First Ave, Maywood, IL 60153.
- What is Joseph Clark's phone number?
- The practice phone number listed in the NPPES registry for Joseph Clark is (708) 216-3304.
- Does Joseph Clark accept Medicare?
- Joseph Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Clark's NPI active?
- Yes — Joseph Clark's NPI (1972580843) is active in the NPPES registry as of the last update on 2022-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.