DR. JOSE JOAQUIN ESTALILLA HERNANDEZ MD
NPI 1316311509
Preventive Medicine - Occupational Medicine in Bakersfield, CA
About Dr. Jose Joaquin Estalilla Hernandez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSE JOAQUIN ESTALILLA HERNANDEZ MD (NPI 1316311509) is an individual occupational medicine provider in Bakersfield, California, licensed in California (A204074) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses 8
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
Dr. Jose Joaquin Estalilla Hernandez Md 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 Jose Joaquin Hernandez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Segundo, CA 90245
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Quincy, CA 95971
- Reassigned Medicare billing, California enrollment
- 48 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93311 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Jose Joaquin Hernandez's NPI number?
The NPI number for Jose Joaquin Hernandez is 1316311509. It was assigned to this individual provider in the NPPES registry on November 25, 2015.
Where is Jose Joaquin Hernandez located?
Jose Joaquin Hernandez practices at 5900 Brooklyn Ave, Bakersfield, CA 93311. The listed phone number is (661) 205-2075.
What is Jose Joaquin Hernandez's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.
Is Jose Joaquin Hernandez enrolled in Medicare?
Yes. Jose Joaquin Hernandez 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 Jose Joaquin Hernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jose Joaquin Hernandez reassigns Medicare benefits to 2 organizations: Robert Marriott Medical Corp (El Segundo, CA) and Chavez Emergency Physicians Medical Group, Inc. (Quincy, 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 Jose Joaquin Hernandez'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 Jose Joaquin Hernandez was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.
# Dr. Jose Joaquin Estalilla Hernandez, MD · NPI 1316311509
Occupational Medicine physician in Bakersfield, California. Individual provider, active in the CMS NPPES registry since November 25, 2015.
## Identity
- **NPI:** 1316311509 (Entity type: Individual)
- **Enumerated:** November 25, 2015
- **Primary specialty:** Preventive Medicine - Occupational Medicine · taxonomy 2083X0100X
- **State license:** A204074 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5900 BROOKLYN AVE, Bakersfield, CA 93311-9677
- **Phone:** (661) 205-2075
## 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): Robert Marriott Medical Corp (NPI 1083883938, El Segundo, CA); Chavez Emergency Physicians Medical Group, Inc. (NPI 1689045015, Quincy, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** September 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316311509) · Data from the CMS NPPES public registry.