Quick answers
- Which hospitals does Carl Tahn work at?
- Medicare's official clinician data lists Carl Tahn at 5 hospitals: Graham County Hospital, Hays Medical Center, Pawnee Valley Community Hospital, Phillips County Hospital and Rooks County Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Carl Tahn see patients?
- Medicare's clinician data lists 1 practice location in Hays, KS. Call before your visit to confirm the address.
- What is Carl Tahn's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Carl Tahn accept Medicare assignment?
- Yes. Medicare's clinician data says Carl Tahn 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 Carl Tahn offer telehealth?
- Medicare's clinician data says Carl Tahn offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Carl Tahn?
- (785) 623-5774, as listed in official Medicare / NPI Registry data.
- What is Carl Tahn's NPI number?
- 1508961319. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Carl Tahn works
Medicare's Facility Affiliation Data lists Carl Tahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Graham County HospitalHill City, KS · Critical Access Hospital · CCN 171325
- Hays Medical CenterHays, KS · Acute Care Hospital · CCN 170013
- Pawnee Valley Community HospitalLarned, KS · Critical Access Hospital · CCN 171345
- Phillips County HospitalPhillipsburg, KS · Critical Access Hospital · CCN 171353
- Rooks County Health CenterPlainville, KS · Critical Access Hospital · CCN 171311
Practice locations
Addresses where Carl Tahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 2220 Canterbury Dr, Suite 150Hays, KS 67601 (785) 623‑5774
Group practices
Medicare enrollment lists Carl Tahn as a member of this group (CMS data updated 2026-10-02).
- Hays Medical Center Inc191 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Hays
Clinicians with the same Medicare primary specialty in Hays, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508961319 |
| 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