James Grinnell, LMFT
NPI 1033396411 · Marriage & Family Therapist · Tulsa, OK
James Grinnell, LMFT is a Marriage & Family Therapist provider in Tulsa, OK (NPI 1033396411).
Provider details
- NPI number
- 1033396411
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 502 (OK)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-28
- Last updated
- 2008-01-28
Frequently asked questions
- What is James Grinnell's NPI number?
- James Grinnell's National Provider Identifier (NPI) is 1033396411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Grinnell's specialty?
- James Grinnell is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is James Grinnell located?
- James Grinnell's practice location on file with NPPES is 2121 E 3rd St, Tulsa, OK 74104-1817.
- What is James Grinnell's phone number?
- The practice phone number listed in the NPPES registry for James Grinnell is (918) 587-2400.
- Is James Grinnell's NPI active?
- Yes — James Grinnell's NPI (1033396411) is active in the NPPES registry as of the last update on 2008-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.