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CAITLIN BERTELSEN MD
NPI 1922471291
Otolaryngology in Long Beach, CA

Active since November 08, 2015PECOS EnrolledAccepts Medicare Assignment
433 E WARDLOW RD, LONG BEACH, CA 90807(562) 427-0550(562) 988-8899 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2023, Sep 28, 2021, Jul 2, 2019 (3 updates tracked since 2019).

About Caitlin Bertelsen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLIN BERTELSEN MD (NPI 1922471291) is an individual otolaryngology provider in Long Beach, California, licensed in California (A138856) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2014).

NPPES Registry Identity

NPI1922471291
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameCAITLIN BERTELSENCredential: MD
Location Address433 E WARDLOW RDLong Beach, CA 90807-4507
Mailing Address433 E Wardlow RdLong Beach, CA 90807-4507 · (562) 427-0550 · Fax (562) 988-8899
Phone(562) 427-0550
Fax(562) 988-8899
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2014
Enumeration DateNovember 8, 2015
Last NPPES UpdateJune 28, 20233 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2021
✔ NPI 1922471291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · A138856
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
433 E WARDLOW RD, Long Beach, CA 90807
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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

Caitlin Bertelsen 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 ID5294027173
PECOS Enrollment IDI20220413000793
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Caitlin Bertelsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yoshpe & Willner Mds A Ca General Partnership
Same address
Otolaryngology
433 E WARDLOW RD
Long Beach, CA 90807
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
NPI 1407920176 (562) 427-0550
Southern California Permanente Medical Group
6.6 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90807 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 8

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

ALYN KIM MD
Otolaryngology
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
MARISSA A SCHWARTZ MD
Otolaryngology
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
GARRETT JAMES SHERMAN FNP
Nurse Practitioner
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
YOSHPE & WILLNER MDS A CA GENERAL PARTNERSHIP
Otolaryngology
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
AYAL WILLNER MD
Otolaryngology
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
CHRISTY BERANEK PA
Physician Assistant
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
NAMRATA VARMA D.O.
Otolaryngology (Pediatric Otolaryngology)
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550
NINA S YOSHPE MD
Otolaryngology
433 E WARDLOW RD
LONG BEACH, CA 90807
Los Angeles County (562) 427-0550

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 Caitlin Bertelsen's NPI number?

The NPI number for Caitlin Bertelsen is 1922471291. It was assigned to this individual provider in the NPPES registry on November 8, 2015.

Where is Caitlin Bertelsen located?

Caitlin Bertelsen practices at 433 E Wardlow Rd, Long Beach, CA 90807. The listed phone number is (562) 427-0550.

What is Caitlin Bertelsen's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Caitlin Bertelsen enrolled in Medicare?

Yes. Caitlin Bertelsen 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 Caitlin Bertelsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Bertelsen reassigns Medicare benefits to 2 organizations: Yoshpe & Willner Mds A Ca General Partnership (Long Beach, CA) and Southern California Permanente Medical Group (Bellflower, 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 Caitlin Bertelsen'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 Caitlin Bertelsen was last updated on June 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.