Marjun Philip Narciso Duldulao, M.D.
Colon & Rectal Surgery Physician · Los Angeles, CA
Marjun Philip Narciso Duldulao, M.D. is a colon & rectal surgery physician with a practice address in Los Angeles, California, and NPI 1063684850, issued on Apr 1, 2008. Check the license (California A109414, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marjun Philip Narciso Duldulao
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- A109414 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 San Pablo Street Suite 6200, Los Angeles, CA 90089
- Phone
- (323) 865-3690
- Enumerated
- Apr 1, 2008
- Record last updated
- Nov 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20110415000299); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Verify Marjun Philip Narciso Duldulao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
40 Medicare Part D claims for 14 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $434.92
5 payments; by number, the most common kind was food and beverage; the largest payer was Guard Medical Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marjun Philip Narciso Duldulao among 198 colon & rectal surgery physician records in California
Marjun Philip Narciso Duldulao, M.D. is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 32% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2008 · median 2002 among the 149 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in Los Angeles → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Adrian Ortega, M.D.Los Angeles, CA 900891386920718
- Kevork Kazanjian, M.D.Los Angeles, CA 900951053591941
- Clifford Ko, MDLos Angeles, CA 900951023198769
- Mary Kwaan, M.D., M.P.H.Los Angeles, CA 900951588732911
- Anne Lin, MDLos Angeles, CA 900951437358884
- Marcia Russell, MDLos Angeles, CA 900951346398245
- Phillip Fleshner, MDLos Angeles, CA 900481881695286
- Mari Madsen, M.D.West Hollywood, CA 900481942286638
Common questions
What is Marjun Philip Narciso Duldulao, M.D.'s NPI number?
Marjun Philip Narciso Duldulao, M.D.'s National Provider Identifier (NPI) is 1063684850, issued on Apr 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marjun Philip Narciso Duldulao, M.D. located?
The NPPES record lists a practice address at 1450 San Pablo Street Suite 6200, Los Angeles, CA, 90089. Phone: (323) 865-3690. Providers update this record themselves, so call before visiting.
How can I verify Marjun Philip Narciso Duldulao, M.D.'s license?
NPPES lists California license number A109414, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marjun Philip Narciso Duldulao, M.D. prescribe under Medicare Part D?
In 2024, Marjun Philip Narciso Duldulao, M.D. had 40 Medicare Part D claims for 14 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.