DR. SETH AUSTIN AHLQUIST MD
NPI 1407484918
Orthopaedic Surgery in Santa Monica, CA
About Dr. Seth Austin Ahlquist Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SETH AUSTIN AHLQUIST MD (NPI 1407484918) is an individual orthopaedic surgery provider in Santa Monica, California, licensed in California (A185370) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Novant Health Presbyterian Medical Center, and is a graduate of University Of California, Geffen School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
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. Seth Austin Ahlquist 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
2Medicare enrollment records show Seth Ahlquist reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boone, NC 28607
- Reassigned Medicare billing, North Carolina and South Carolina enrollments
- Also billed through NPI 1790086825 (South Carolina)
- 353 clinicians in this Medicare group
Charlotte, NC 28208
- Reassigned Medicare billing, North Carolina enrollment
- 2,223 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Novant Health Presbyterian Medical Center
Acute Care Hospitals · Charlotte, NCCarolinas Medical Center/Behav Health
Acute Care Hospitals · Charlotte, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90404
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 Seth Ahlquist's NPI number?
The NPI number for Seth Ahlquist is 1407484918. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Seth Ahlquist located?
Seth Ahlquist practices at 2021 Santa Monica Blvd # 530E, Santa Monica, CA 90404. The listed phone number is (310) 828-2042.
What is Seth Ahlquist's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Seth Ahlquist enrolled in Medicare?
Yes. Seth Ahlquist 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 Seth Ahlquist's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Ahlquist reassigns Medicare benefits to 2 organizations: Orthocarolina (Boone, NC) and Carolinas Medical Center (Charlotte, NC). 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 Seth Ahlquist's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Seth Ahlquist accept?
Health plans from Cigna Healthcare, Molina Healthcare and Oscar Health Plan of North Carolina, Inc list Seth Ahlquist 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.
Is Seth Ahlquist affiliated with any hospitals?
According to CMS data, Seth Ahlquist is affiliated with Novant Health Presbyterian Medical Center and Carolinas Medical Center/Behav Health.
When was this NPI record last updated?
The NPPES record for Seth Ahlquist was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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. Seth Austin Ahlquist, MD · NPI 1407484918
Orthopaedic Surgery physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1407484918 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A185370 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2021 SANTA MONICA BLVD # 530E, Santa Monica, CA 90404-2208
- **Phone:** (310) 828-2042 · **Fax:** (754) 203-0487
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Orthocarolina (NPI 1710255443, Boone, NC); Carolinas Medical Center (NPI 1063567428, Charlotte, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** October 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407484918) · Data from the CMS NPPES public registry.