Quick answers
- Which hospitals does John B. Oldemeyer work at?
- Medicare's official clinician data lists John B. Oldemeyer at 5 hospitals: Longs Peak Hospital, Medical Center of the Rockies, Poudre Valley Hospital, Regional West Medical Center and UCHealth Greeley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John B. Oldemeyer see patients?
- Medicare's clinician data lists 13 practice locations, including Fort Collins, CO, Englewood, CO and Longmont, CO. Call before your visit to confirm the address.
- What is John B. Oldemeyer's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does John B. Oldemeyer accept Medicare assignment?
- Yes. Medicare's clinician data says John B. Oldemeyer 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.
- Does John B. Oldemeyer offer telehealth?
- Medicare's clinician data says John B. Oldemeyer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John B. Oldemeyer?
- (303) 265-3390, as listed in official Medicare / NPI Registry data.
- What is John B. Oldemeyer's NPI number?
- 1700882123. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John B. Oldemeyer works
Medicare's Facility Affiliation Data lists John B. Oldemeyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Longs Peak HospitalLongmont, CO · Acute Care Hospital · CCN 060128
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · CCN 060010
- Regional West Medical CenterScottsbluff, NE · Acute Care Hospital · CCN 280061
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · CCN 060131
Practice locations
Addresses where John B. Oldemeyer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 13; the Medicare profile lists all.
- 1024 S Lemay AveFort Collins, CO 80524
- 175 Inverness Dr W, Suite 300Englewood, CO 80112 (303) 265‑3390
- 1750 E Ken Pratt Blvd, UchealthLongmont, CO 80504 (970) 237‑7848
- 1760 E Ken Pratt BlvdLongmont, CO 80504
- 1925 Mountain View AveLongmont, CO 80501 (303) 776‑1234
Group practices
Medicare enrollment lists John B. Oldemeyer as a member of this group (CMS data updated 2026-10-02).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700882123 |
| 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