DR. DAVID P. DIMMOCK M.D.
NPI 1275796419
Medical Genetics - Clinical Biochemical Genetics in San Diego, CA
About Dr. David P. Dimmock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID P. DIMMOCK M.D. (NPI 1275796419) is an individual clinical biochemical genetics provider in San Diego, California, licensed in California (C146669) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Madera, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. David P. Dimmock M.d. 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 David Dimmock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Valley Childrens Medical Group
- 387 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.
SAN DIEGO, CA 92123
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 David Dimmock's NPI number?
The NPI number for David Dimmock is 1275796419. It was assigned to this individual provider in the NPPES registry on July 8, 2008.
Where is David Dimmock located?
David Dimmock practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (800) 788-9029.
What is David Dimmock's specialty?
The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Biochemical Genetics, with taxonomy code 207SG0202X.
Is David Dimmock enrolled in Medicare?
Yes. David Dimmock 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 David Dimmock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Dimmock reassigns Medicare benefits to Valley Children's Medical Group (Modesto, 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 David Dimmock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Dimmock accept?
Health plans from CareSource list David Dimmock as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Dimmock was last updated on July 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. David P. Dimmock, M.D. · NPI 1275796419
Clinical Biochemical Genetics physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 8, 2008.
## Identity
- **NPI:** 1275796419 (Entity type: Individual)
- **Enumerated:** July 8, 2008
- **Primary specialty:** Medical Genetics - Clinical Biochemical Genetics · taxonomy 207SG0202X
- **State license:** C146669 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 CHILDRENS WAY, San Diego, CA 92123-4232
- **Phone:** (800) 788-9029 · **Fax:** (858) 966-8092
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Valley Children's Medical Group (NPI 1437555265, Modesto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** July 14, 2022
- **Other identifiers:** Medicaid 1275796419 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1275796419) · Data from the CMS NPPES public registry.