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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SETH AUSTIN AHLQUIST MD
NPI 1407484918
Orthopaedic Surgery in Santa Monica, CA

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
2021 SANTA MONICA BLVD # 530E, SANTA MONICA, CA 90404(310) 828-2042 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 4, 2026, Mar 30, 2020 (2 updates tracked since 2020).

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

NPI1407484918
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. SETH AUSTIN AHLQUISTCredential: MD
Location Address2021 SANTA MONICA BLVD # 530ESanta Monica, CA 90404-2208
Mailing Address2021 Santa Monica Blvd Ste 530eSanta Monica, CA 90404-2208 · (310) 828-2042
Phone(310) 828-2042
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2020
Enumeration DateMarch 30, 2020
Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1407484918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A185370
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Hand SurgeryTaxonomy 207XS0106X · License A185370 (CA)
2021 SANTA MONICA BLVD # 530E, Santa Monica, CA 90404
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID4284040312
PECOS Enrollment IDI20250905002398, I20250911004737
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340053
Location200 Hawthorne Lane Box 33549Charlotte, NC 28233 · Mecklenburg County
Emergency services Birthing friendly

Carolinas Medical Center/Behav Health

Acute Care Hospitals · Charlotte, NC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340113
Location1000 Blythe BlvdCharlotte, NC 28203 · Mecklenburg County
Emergency services Birthing friendly

Physician 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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SETH AHLQUIST MD PROFESSIONAL CORPORATION
Orthopaedic Surgery
2021 SANTA MONICA BLVD # 530E
SANTA MONICA, CA 90404
Los Angeles County (916) 778-8900

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.

What insurance does Seth Ahlquist accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare 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 August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.