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

DR. KATHERINE ANNETTE ADLER MD
NPI 1215639422
Hospitalist in Northridge, CA

Active since March 21, 2023PECOS EnrolledAccepts Medicare Assignment
18460 ROSCOE BLVD FL 3, NORTHRIDGE, CA 91325(818) 885-5480 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 28, 2026, Mar 21, 2023 (2 updates tracked since 2023).

About Dr. Katherine Annette Adler Md NPPES

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

DR. KATHERINE ANNETTE ADLER MD (NPI 1215639422) is an individual hospitalist provider in Northridge, California, licensed in California (A201860) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In New Orleans (2023).

NPPES Registry Identity

NPI1215639422
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. KATHERINE ANNETTE ADLERCredential: MD
Location Address18460 ROSCOE BLVD FL 3Northridge, CA 91325-4107
Mailing Address3400 Data Dr, Attention To: Credentialing/payer Enrollment DepartmentRancho Cordova, CA 95670
Sole ProprietorYes
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2023
Enumeration DateMarch 21, 2023
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1215639422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A201860
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
18460 ROSCOE BLVD FL 3, Northridge, CA 91325

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. Katherine Annette Adler 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 ID2769946987
PECOS Enrollment IDI20260709001214
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 Reassignment

Medicare enrollment records show Katherine Adler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
18406 ROSCOE BLVD
Northridge, CA 91325
  • Reassigned Medicare billing, California enrollment
  • 1,191 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91325 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 20

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

Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Nurse Practitioner (Family)
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Internal Medicine
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325
Hospitalist
18460 ROSCOE BLVD FL 3
NORTHRIDGE, CA 91325

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 Katherine Adler's NPI number?

The NPI number for Katherine Adler is 1215639422. It was assigned to this individual provider in the NPPES registry on March 21, 2023.

Where is Katherine Adler located?

Katherine Adler practices at 18460 Roscoe Blvd Fl 3, Northridge, CA 91325. The listed phone number is (818) 885-5480.

What is Katherine Adler's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Katherine Adler enrolled in Medicare?

Yes. Katherine Adler 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 Katherine Adler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Adler reassigns Medicare benefits to Dignity Health Medical Foundation (Northridge, 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 Katherine Adler'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 Katherine Adler was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.