James Kastendiek, M.D.
NPI 1295062925 · Psychiatry Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Kastendiek, M.D. is a Psychiatry Physician provider in Fresno, CA (NPI 1295062925).
Provider details
- NPI number
- 1295062925
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A 109966 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 99 | 24 |
| Clonazepam | 89 | 14 |
| Bupropion Hclbrand: Bupropion Xl | 86 | 30 |
| Trazodone Hcl | 79 | 27 |
| Fluoxetine Hcl | 69 | 21 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 67 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-11-17
- Last updated
- 2021-10-18
- Certified
- 2021-10-18
Frequently asked questions
- What is James Kastendiek's NPI number?
- James Kastendiek's National Provider Identifier (NPI) is 1295062925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Kastendiek's specialty?
- James Kastendiek is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is James Kastendiek located?
- James Kastendiek's practice location on file with NPPES is 155 N Fresno St, Fresno, CA 93701-2302.
- What is James Kastendiek's phone number?
- The practice phone number listed in the NPPES registry for James Kastendiek is (559) 499-6580.
- Does James Kastendiek accept Medicare?
- James Kastendiek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Kastendiek's NPI active?
- Yes — James Kastendiek's NPI (1295062925) is active in the NPPES registry as of the last update on 2021-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.