Quick answers
- Which hospitals does Peter A. Klock Jr. work at?
- Medicare's official clinician data lists Peter A. Klock Jr. at 1 hospital: The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter A. Klock Jr. see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Peter A. Klock Jr.'s specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Peter A. Klock Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Peter A. Klock Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Peter A. Klock Jr.?
- (888) 824-0200, as listed in official Medicare / NPI Registry data.
- What is Peter A. Klock Jr.'s NPI number?
- 1881759009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter A. Klock Jr. works
Medicare's Facility Affiliation Data lists Peter A. Klock Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
Practice locations
Addresses where Peter A. Klock Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Peter A. Klock Jr. as a member of this group (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881759009 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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