James Theiss, PMHNP-BC
NPI 1891341947 · Psychiatric/Mental Health Nurse Practitioner · Mesa, AZ
James Theiss, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Mesa, AZ (NPI 1891341947).
Provider details
- NPI number
- 1891341947
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- RPN230939 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 42 | 14 |
| Sertraline Hcl | 25 | 14 |
| Alprazolam | 21 | — |
| Lamotrigine | 21 | 12 |
| Trazodone Hcl | 19 | — |
| Clonazepam | 17 | — |
| Zolpidem Tartrate | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-14
- Last updated
- 2019-08-14
Frequently asked questions
- What is James Theiss's NPI number?
- James Theiss's National Provider Identifier (NPI) is 1891341947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Theiss's specialty?
- James Theiss is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Theiss located?
- James Theiss's practice location on file with NPPES is 5439 E Ellis St, Mesa, AZ 85205-5470.
- What is James Theiss's phone number?
- The practice phone number listed in the NPPES registry for James Theiss is (480) 772-0091.
- Is James Theiss's NPI active?
- Yes — James Theiss's NPI (1891341947) is active in the NPPES registry as of the last update on 2019-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.