Quick answers
- Does Charles J. Bock Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Charles J. Bock Jr. 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 Charles J. Bock Jr. see?
- In 2024, CMS data shows 428 Original Medicare patients and 911 services for Charles J. Bock Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Charles J. Bock Jr.'s NPI number?
- 1851373922. 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 Charles J. Bock Jr., 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 | 428 |
|---|---|
| Services billed to Medicare | 911 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)250 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)87 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)81 services
- Measurement of corneal curvature and depth of eye (92136)75 services
- Removal of cataract with insertion of prosthetic lens (66984)69 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 pressure68%
- High cholesterol60%
- Arthritis35%
- Diabetes31%
- Depression23%
- Chronic kidney disease22%
Hospitals where Charles J. Bock Jr. works
Medicare's Facility Affiliation Data lists Charles J. Bock Jr. 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.
- Providence Milwaukie HospitalMilwaukie, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 380082
Practice locations
Addresses where Charles J. Bock Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 11086 SE Oak StMilwaukie, OR 97222 (503) 656‑4221
Group practices
Medicare enrollment lists Charles J. Bock Jr. as a member of this group (CMS data updated October 2, 2026).
- Eye Health Northwest PC73 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Milwaukie
Clinicians with the same Medicare primary specialty in Milwaukie, OR — not a recommendation.
Other clinicians in Eye Health Northwest PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851373922 |
| 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