DR. TIMOTHY R TWOMBLY D.C.
NPI 1992830285
Chiropractor in Irvine, CA
About Dr. Timothy R Twombly D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY R TWOMBLY D.C. (NPI 1992830285) is an individual chiropractor in Irvine, California, licensed in California (12297) and active in the NPI registry since February 2007. He is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Timothy R Twombly D.c. 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 Timothy Twombly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irvine, CA 92620
- Reassigned Medicare billing, California enrollment
- 2 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.
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.
IRVINE, CA 92604
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 Timothy Twombly's NPI number?
The NPI number for Timothy Twombly is 1992830285. It was assigned to this individual provider in the NPPES registry on February 23, 2007.
Where is Timothy Twombly located?
Timothy Twombly practices at 14150 Culver Dr Suite# 103, Irvine, CA 92604. The listed phone number is (949) 857-1888.
What is Timothy Twombly's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Timothy Twombly enrolled in Medicare?
Yes. Timothy Twombly 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 Timothy Twombly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Twombly reassigns Medicare benefits to Timothy R Twombly Dc & Kenneth D Erickson Dc A Chiropractic Corp (Irvine, 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 Timothy Twombly'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 Timothy Twombly was last updated on August 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Timothy R Twombly, D.C. · NPI 1992830285
Chiropractor provider in Irvine, California. Individual provider, active in the CMS NPPES registry since February 23, 2007.
## Identity
- **NPI:** 1992830285 (Entity type: Individual)
- **Enumerated:** February 23, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 12297 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14150 CULVER DR, SUITE# 103, Irvine, CA 92604-0315
- **Phone:** (949) 857-1888 · **Fax:** (949) 857-4536
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Timothy R Twombly Dc & Kenneth D Erickson Dc A Chiropractic Corp (NPI 1275696619, Irvine, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1978
## Record status
- **NPPES last updated:** August 17, 2018
- **Other identifiers:** Other 1275696619 (CA); Other ZZZ50052Z (CA); Other DC12297 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1992830285) · Data from the CMS NPPES public registry.