Quick answers
- Does John A. Kremer Ii accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Kremer Ii 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 John A. Kremer Ii see?
- In 2024, CMS data shows 24 Original Medicare patients and 49 services for John A. Kremer Ii. This counts Original Medicare only and measures volume, not quality.
- What is John A. Kremer Ii's NPI number?
- 1407829435. 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 John A. Kremer Ii, 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 | 24 |
|---|---|
| Services billed to Medicare | 49 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
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%
- Arthritis58%
- High cholesterol50%
- Diabetes46%
Hospitals where John A. Kremer Ii works
Medicare's Facility Affiliation Data lists John A. Kremer Ii 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.
- Mid Valley Hospital & ClinicOmak, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501328
- Three Rivers HospitalBrewster, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501324
Practice locations
Addresses where John A. Kremer Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 2120 Lawrence StPort Townsend, WA 98368 (360) 344‑8146
- 507 Hospital WayBrewster, WA 98812 (509) 689‑2517
Group practices
Medicare enrollment lists John A. Kremer Ii as a member of these groups (CMS data updated October 2, 2026).
- Okanogan Douglas County Hospital Dist 135 clinicians in the group
- North Star Clinic LLC2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Port Townsend
Clinicians with the same Medicare primary specialty in Port Townsend, WA — not a recommendation.
Other clinicians in Okanogan Douglas County Hospital Dist 1
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407829435 |
| 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