MR. PAUL JULIO CALLOWAY
NPI 1457764086
Social Worker in Oakland, CA
About Mr. Paul Julio Calloway NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PAUL JULIO CALLOWAY (NPI 1457764086) is an individual social worker in Oakland, California and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Paul Julio Calloway is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Paul Calloway reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94612
- Reassigned Medicare billing, California enrollment
- 23 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.
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.
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 Paul Calloway's NPI number?
The NPI number for Paul Calloway is 1457764086. It was assigned to this individual provider in the NPPES registry on June 11, 2014.
Where is Paul Calloway located?
Paul Calloway practices at 559 16th St, Oakland, CA 94612. The listed phone number is (510) 613-0330.
What is Paul Calloway's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Paul Calloway enrolled in Medicare?
Yes. Paul Calloway is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Paul Calloway's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Calloway reassigns Medicare benefits to Bay Area Community Services, Inc. (Oakland, CA). The 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 Paul Calloway'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 Paul Calloway was last updated on April 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Paul Julio Calloway · NPI 1457764086
Social Worker provider in Oakland, California. Individual provider, active in the CMS NPPES registry since June 11, 2014.
## Identity
- **NPI:** 1457764086 (Entity type: Individual)
- **Enumerated:** June 11, 2014
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 559 16TH ST, Oakland, CA 94612-1515
- **Phone:** (510) 613-0330
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Bay Area Community Services, Inc. (NPI 1952697732, Oakland, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 18, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1457764086) · Data from the CMS NPPES public registry.