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DR. MARJUN PHILIP NARCISO DULDULAO III M.D.
NPI 1063684850
Colon & Rectal Surgery in Los Angeles, CA

Active since April 01, 2008PECOS EnrolledAccepts Medicare Assignment
1450 SAN PABLO STREET SUITE 6200, LOS ANGELES, CA 90089(323) 865-3690 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Marjun Philip Narciso Duldulao Iii M.d. NPPES

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

DR. MARJUN PHILIP NARCISO DULDULAO III M.D. (NPI 1063684850) is an individual colon & rectal surgery provider in Los Angeles, California, licensed in California (A109414) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2008).

NPPES Registry Identity

NPI1063684850
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. MARJUN PHILIP NARCISO DULDULAO IIICredential: M.D.
Location Address1450 SAN PABLO STREET SUITE 6200Los Angeles, CA 90089-0112
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 865-3690
Phone(323) 865-3690
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2008
Enumeration DateApril 1, 2008
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedSeptember 11, 2020
✔ NPI 1063684850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in CA · A109414
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
1450 SAN PABLO STREET SUITE 6200, Los Angeles, CA 90089
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Other Names 1

Other Name (5)Dr. Philip Marjun Duldulao M.d.

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. Marjun Philip Narciso Duldulao Iii M.d. 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 ID941484992
PECOS Enrollment IDI20110415000299
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 Marjun Duldulao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc
0.1 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955

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 6

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.
49 services35 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services18 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
21 services21 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
16 services16 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
13 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90089 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.

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 Marjun Duldulao's NPI number?

The NPI number for Marjun Duldulao is 1063684850. It was assigned to this individual provider in the NPPES registry on April 1, 2008. The provider is also known as Dr. Philip Marjun Duldulao M.D..

Where is Marjun Duldulao located?

Marjun Duldulao practices at 1450 San Pablo Street Suite 6200, Los Angeles, CA 90089. The listed phone number is (323) 865-3690.

What is Marjun Duldulao's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Marjun Duldulao enrolled in Medicare?

Yes. Marjun Duldulao 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 Marjun Duldulao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marjun Duldulao reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, 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 Marjun Duldulao'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 Marjun Duldulao was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.