TOBY BONNETT
NPI 1619138369
Social Worker in Rockville, MD
About Toby Bonnett NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOBY BONNETT (NPI 1619138369) is an individual social worker in Rockville, Maryland, licensed in Maryland (19506) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1974).
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 and accepts Medicare assignment
Toby Bonnett 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 Reassignment
Medicare enrollment records show Toby Bonnett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 35 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 2
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.
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 Toby Bonnett's NPI number?
The NPI number for Toby Bonnett is 1619138369. It was assigned to this individual provider in the NPPES registry on June 24, 2008.
Where is Toby Bonnett located?
Toby Bonnett practices at 200 Wood Hill Rd, Rockville, MD 20850. The listed phone number is (301) 838-4200.
What is Toby Bonnett's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Toby Bonnett enrolled in Medicare?
Yes. Toby Bonnett 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 organization bills Medicare for Toby Bonnett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Toby Bonnett reassigns Medicare benefits to Jewish Social Service Agency (Rockville, MD). 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 Toby Bonnett'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 Toby Bonnett was last updated on March 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Toby Bonnett · NPI 1619138369
Social Worker provider in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since June 24, 2008.
## Identity
- **NPI:** 1619138369 (Entity type: Individual)
- **Enumerated:** June 24, 2008
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 19506 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 WOOD HILL RD, Rockville, MD 20850-8724
- **Phone:** (301) 838-4200 · **Fax:** (301) 309-2596
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Jewish Social Service Agency (NPI 1174776900, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1974
## Record status
- **NPPES last updated:** March 11, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1619138369) · Data from the CMS NPPES public registry.