MATTHEW DAVID TADLOCK MD
NPI 1881666956
Surgery - Surgical Critical Care in San Diego, CA
About Matthew David Tadlock Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW DAVID TADLOCK MD (NPI 1881666956) is an individual surgical critical care provider in San Diego, California, licensed in California (C54740) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses 2
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
Matthew David Tadlock Md 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 Reassignments
5Medicare enrollment records show Matthew Tadlock reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 248 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 218 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 14 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Matthew Tadlock's NPI number?
The NPI number for Matthew Tadlock is 1881666956. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Matthew Tadlock located?
Matthew Tadlock practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Matthew Tadlock's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Matthew Tadlock enrolled in Medicare?
Yes. Matthew Tadlock 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 organizations bill Medicare for Matthew Tadlock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Tadlock reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Diego, CA), On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA), Trauma Team Medical Group Incorporated (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA) and University Surgeons Of Orange A Medical Group (Orange, CA). Each 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 Matthew Tadlock'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 Matthew Tadlock was last updated on September 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Matthew David Tadlock, MD · NPI 1881666956
Surgical Critical Care physician in San Diego, California. Individual provider, active in the CMS NPPES registry since February 3, 2006.
## Identity
- **NPI:** 1881666956 (Entity type: Individual)
- **Enumerated:** February 3, 2006
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** C54740 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273 · **Fax:** (619) 532-6299
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1740382993, San Diego, CA); On Call Specialists Medical Group Of San Diego, Inc. (NPI 1962175836, San Diego, CA); Trauma Team Medical Group Incorporated (NPI 1417907510, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** September 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1881666956) · Data from the CMS NPPES public registry.