DR. GRANT MICHAEL DOBSON DC
NPI 1831459247
Chiropractor in Sonoma, CA
About Dr. Grant Michael Dobson Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRANT MICHAEL DOBSON DC (NPI 1831459247) is an individual chiropractor in Sonoma, California, licensed in California (32312) and active in the NPI registry since May 2012. He is a graduate of National College Of Chiropractic (2011).
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
Dr. Grant Michael Dobson Dc 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 Grant Dobson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
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 4
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 Grant Dobson's NPI number?
The NPI number for Grant Dobson is 1831459247. It was assigned to this individual provider in the NPPES registry on May 18, 2012.
Where is Grant Dobson located?
Grant Dobson practices at 587 5th St W, Sonoma, CA 95476. The listed phone number is (707) 935-1006.
What is Grant Dobson's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Grant Dobson enrolled in Medicare?
Yes. Grant Dobson 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 Grant Dobson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Dobson reassigns Medicare benefits to Dobson Chiropractic, Inc. (Sonoma, 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 Grant Dobson'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 Grant Dobson was last updated on July 10, 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. Grant Michael Dobson, DC · NPI 1831459247
Chiropractor provider in Sonoma, California. Individual provider, active in the CMS NPPES registry since May 18, 2012.
## Identity
- **NPI:** 1831459247 (Entity type: Individual)
- **Enumerated:** May 18, 2012
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 32312 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 587 5TH ST W, Sonoma, CA 95476-6831
- **Phone:** (707) 935-1006 · **Fax:** (707) 935-7291
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Dobson Chiropractic, Inc. (NPI 1558962514, Sonoma, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** National College Of Chiropractic, class of 2011
## Record status
- **NPPES last updated:** July 10, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1831459247) · Data from the CMS NPPES public registry.