Marjun Duldulao, M.D.
NPI 1063684850 · Colon & Rectal Surgery Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marjun Duldulao, M.D. is a Colon & Rectal Surgery Physician provider in Los Angeles, CA (NPI 1063684850).
Provider details
- NPI number
- 1063684850
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A109414 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
134 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $99 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 21 | $135 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 16 | $121 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 13 | $97 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$435 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-01
- Last updated
- 2023-11-27
- Certified
- 2020-09-11
Frequently asked questions
- What is Marjun Duldulao's NPI number?
- Marjun Duldulao's National Provider Identifier (NPI) is 1063684850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjun Duldulao's specialty?
- Marjun Duldulao is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marjun Duldulao located?
- Marjun Duldulao's practice location on file with NPPES is 1450 San Pablo Street Suite 6200, Los Angeles, CA 90089-0112.
- What is Marjun Duldulao's phone number?
- The practice phone number listed in the NPPES registry for Marjun Duldulao is (323) 865-3690.
- Does Marjun Duldulao accept Medicare?
- Marjun Duldulao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marjun Duldulao's NPI active?
- Yes — Marjun Duldulao's NPI (1063684850) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.