Quick answers
- Does Joseph W. Cook Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph W. Cook Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joseph W. Cook Iv see?
- In 2024, CMS data shows 666 Original Medicare patients and 1,865 services for Joseph W. Cook Iv. This counts Original Medicare only and measures volume, not quality.
- What is Joseph W. Cook Iv's NPI number?
- 1124069257. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joseph W. Cook Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 666 |
|---|---|
| Services billed to Medicare | 1,865 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)554 services
- Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus (87637)268 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)212 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)197 services
- 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's (G2211)196 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes31%
- Ischemic heart disease22%
- Chronic kidney disease21%
Hospitals where Joseph W. Cook Iv works
Medicare's Facility Affiliation Data lists Joseph W. Cook Iv at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Saint Agnes HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210011
Practice locations
Addresses where Joseph W. Cook Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 6501 Baltimore National Pike, Suite DCatonsville, MD 21228 (667) 234‑2100
Group practices
Medicare enrollment lists Joseph W. Cook Iv as a member of this group (CMS data updated October 2, 2026).
- Seton Medical Group Inc74 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Catonsville
Clinicians with the same Medicare primary specialty in Catonsville, MD — not a recommendation.
Other clinicians in Seton Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124069257 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians