Quick answers
- Which hospitals does Manuel J. Calvin work at?
- Medicare's official clinician data lists Manuel J. Calvin at 5 hospitals: Cherokee Nation W W Hastings Indian Hospital, Saint Francis Hospital Muskogee, Saint Francis Hospital South, LLC, Saint Francis Hospital Vinita, Inc and Saint Francis Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Manuel J. Calvin see patients?
- Medicare's clinician data lists 2 practice locations, including Tulsa, OK. Call before your visit to confirm the address.
- What is Manuel J. Calvin's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Manuel J. Calvin accept Medicare assignment?
- Yes. Medicare's clinician data says Manuel J. Calvin 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 Manuel J. Calvin offer telehealth?
- Medicare's clinician data says Manuel J. Calvin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Manuel J. Calvin?
- (918) 502-4720, as listed in official Medicare / NPI Registry data.
- What is Manuel J. Calvin's NPI number?
- 1396744678. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Manuel J. Calvin works
Medicare's Facility Affiliation Data lists Manuel J. Calvin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · CCN 370171
- Saint Francis Hospital MuskogeeMuskogee, OK · Acute Care Hospital · CCN 370025
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · CCN 370218
- Saint Francis Hospital Vinita, IncVinita, OK · Acute Care Hospital · CCN 370237
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · CCN 370091
Practice locations
Addresses where Manuel J. Calvin is enrolled with Medicare (CMS data updated 2026-10-02).
- 6161 S Yale AveTulsa, OK 74136 (918) 502‑4720
- 6600 S Yale Ave, Suite 1400Tulsa, OK 74136 (918) 488‑6000
Group practices
Medicare enrollment lists Manuel J. Calvin as a member of these groups (CMS data updated 2026-10-02).
- Warren Clinic Inc883 clinicians in the group
- Saint Francis Hospital, Inc.61 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Puerto Rico School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396744678 |
| 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