Quick answers
- Where does Jeffrey S. Grantham see patients?
- Medicare's clinician data lists 2 practice locations, including Tulsa, OK. Call before your visit to confirm the address.
- What is Jeffrey S. Grantham's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Jeffrey S. Grantham accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey S. Grantham 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.
- What is the phone number for Jeffrey S. Grantham?
- (918) 293-2140, as listed in official Medicare / NPI Registry data.
- What is Jeffrey S. Grantham's NPI number?
- 1609034040. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jeffrey S. Grantham is enrolled with Medicare (CMS data updated 2026-10-02).
- 2323 S Harvard Ave, TcbhTulsa, OK 74114 (918) 293‑2140
- 2345 Southwest BlvdTulsa, OK 74107 (918) 561‑5701
Group practices
Medicare enrollment lists Jeffrey S. Grantham as a member of these groups (CMS data updated 2026-10-02).
- Oklahoma State University108 clinicians in the group
- State of Oklahoma97 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609034040 |
| 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
- 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