MR. JOSEPH ANDREW COOK D.O.
NPI 1114136850
Psychiatry & Neurology - Psychiatry in Atascadero, CA
About Mr. Joseph Andrew Cook D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOSEPH ANDREW COOK D.O. (NPI 1114136850) is an individual psychiatry provider in Atascadero, California, licensed in California (20A9849) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Porterville, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Joseph Andrew Cook D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Joseph Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atascadero, CA 93422
- Reassigned Medicare billing, California enrollment
- 755 clinicians in this Medicare group
Tulare, CA 93274
- Reassigned Medicare billing, California enrollment
- 81 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93422 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATASCADERO, CA 93422
ATASCADERO, CA 93422
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Cook's NPI number?
The NPI number for Joseph Cook is 1114136850. It was assigned to this individual provider in the NPPES registry on May 21, 2007.
Where is Joseph Cook located?
Joseph Cook practices at 10333 El Camino Real, Atascadero, CA 93422. The listed phone number is (805) 468-2000.
What is Joseph Cook's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Joseph Cook enrolled in Medicare?
Yes. Joseph Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joseph Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Cook reassigns Medicare benefits to 2 organizations: Department Of State Hospitals (Atascadero, CA) and County Of Tulare (Tulare, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Joseph Cook was last updated on September 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Joseph Andrew Cook, D.O. · NPI 1114136850
Psychiatry physician in Atascadero, California. Individual provider, active in the CMS NPPES registry since May 21, 2007.
## Identity
- **NPI:** 1114136850 (Entity type: Individual)
- **Enumerated:** May 21, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 20A9849 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10333 EL CAMINO REAL, Atascadero, CA 93422-5808
- **Phone:** (805) 468-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Department Of State Hospitals (NPI 1174573802, Atascadero, CA); County Of Tulare (NPI 1174875744, Tulare, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** September 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1114136850) · Data from the CMS NPPES public registry.