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

MS. KATRINA MARIE DUNCAN MSN, BSN
NPI 1881010429
Nurse Practitioner - Gerontology in Santa Monica, CA

Active since March 06, 2014PECOS EnrolledAccepts Medicare Assignment
1250 16TH ST, SANTA MONICA, CA 90404(424) 259-9450(424) 259-6671 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 14, 2026, Dec 9, 2020, Mar 8, 2018 (3 updates tracked since 2018).

About Ms. Katrina Marie Duncan Msn, Bsn NPPES

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

MS. KATRINA MARIE DUNCAN MSN, BSN (NPI 1881010429) is an individual gerontology provider in Santa Monica, California, licensed in California (95000170) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Duarte, and is a graduate of Columbia University College Of Physicians And Surgeons (2013).

NPPES Registry Identity

NPI1881010429
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMS. KATRINA MARIE DUNCANCredential: MSN, BSN
Location Address1250 16TH STSanta Monica, CA 90404-1249
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Fax(424) 259-6671
Sole ProprietorYes
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2013
Enumeration DateMarch 6, 2014
Last NPPES UpdateOctober 14, 20263 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1881010429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in CA · 95000170
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 95000170 (CA)
1250 16TH ST, Santa Monica, CA 90404

Secondary Practice Location 1

Location 11500 Duarte RdDuarte, CA 91010-3012 · Phone (626) 256-4673 · Fax (626) 408-3911

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

Ms. Katrina Marie Duncan Msn, Bsn 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 ID2769702786
PECOS Enrollment IDI20170317000591
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 Katrina Duncan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Hematology & Oncology
1 GUSTAVE L LEVY PL
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 275 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 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
12 services12 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
11 services11 patients

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
$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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims872 services$0.30 avg. paid by Medicare
Sirolimus, oral, 1 mg J7520
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier17 claims610 services$2.95 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
1 supplier12 claims12 services$27.02 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers25 claims25 services$16.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner
1250 16TH ST
SANTA MONICA, CA 90404
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1250 16TH ST
SANTA MONICA, CA 90404
Emergency Medicine
1250 16TH ST
SANTA MONICA, CA 90404
Nurse Practitioner (Acute Care)
1250 16TH ST
SANTA MONICA, CA 90404
Nurse Practitioner
1250 16TH ST
SANTA MONICA, CA 90404
Pharmacist
1250 16TH ST
SANTA MONICA, CA 90404
Nurse Practitioner (Family)
1250 16TH ST
SANTA MONICA, CA 90404
Nurse Practitioner (Acute Care)
1250 16TH ST
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 Katrina Duncan's NPI number?

The NPI number for Katrina Duncan is 1881010429. It was assigned to this individual provider in the NPPES registry on March 6, 2014.

Where is Katrina Duncan located?

Katrina Duncan practices at 1250 16th St, Santa Monica, CA 90404. The listed phone number is (424) 259-9450.

What is Katrina Duncan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Katrina Duncan enrolled in Medicare?

Yes. Katrina Duncan 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 Katrina Duncan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katrina Duncan reassigns Medicare benefits to 2 organizations: City Of Hope Medical Foundation (Duarte, CA) and Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Katrina Duncan'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 Katrina Duncan 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 6 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.