Quick answers
- Does Zaid A. Shakir accept Medicare assignment?
- Yes. Medicare's clinician data says Zaid A. Shakir 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 Zaid A. Shakir see?
- In 2024, CMS data shows 295 Original Medicare patients and 582 services for Zaid A. Shakir. This counts Original Medicare only and measures volume, not quality.
- What is Zaid A. Shakir's NPI number?
- 1538450952. 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 Zaid A. Shakir, 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 | 295 |
|---|---|
| Services billed to Medicare | 582 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)174 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)67 services
- Critical care, first 30-74 minutes (99291)65 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)55 services
- Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)28 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%
- COPD60%
- Ischemic heart disease53%
- Arthritis51%
- Heart failure45%
Hospitals where Zaid A. Shakir works
Medicare's Facility Affiliation Data lists Zaid A. Shakir 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.
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150035
- Northwest Health - StarkeKnox, IN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 150102
- Northwest Health-La PorteLa Porte, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150006
- Pulaski Memorial HospitalWinamac, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151305
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150034
Practice locations
Addresses where Zaid A. Shakir is enrolled with Medicare (CMS data updated October 2, 2026).
- 650 Dickinson RdChesterton, IN 46304
Group practices
Medicare enrollment lists Zaid A. Shakir as a member of this group (CMS data updated October 2, 2026).
- Porter Physician Services LLC99 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Indiana →
Other critical care doctors in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in Porter Physician Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 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) | 1538450952 |
| 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