NPPES file of Aug 9, 2026

Marlon Maragay Maducdoc, M.D.

Otolaryngology Physician · Downey, CA

Marlon Maragay Maducdoc, M.D. is an otolaryngology physician with a practice address in Downey, California, and NPI 1295122653, issued on Apr 22, 2015. Check the license (California A145398, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295122653
Name
Marlon Maragay Maducdoc
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A145398 CA
Self-reported in NPPES; status is on the state search
Practice location
11480 Brookshire Ave Ste 300, Downey, CA 90241
Phone
(562) 826-8000
Enumerated
Apr 22, 2015
Record last updated
Jul 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201026000866); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Marlon Maragay Maducdoc in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A145398
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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26% fewer Medicare Part D claims than the average otolaryngology physician in 2024

403 Medicare Part D claims for 141 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Marlon Maducdoc403
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate77 claims
  2. Famotidine73 claims
  3. Azelastine Hcl62 claims
  4. Omeprazole59 claims
  5. Ipratropium Bromide29 claims
  6. Amoxicillin-Clavulanate Potass15 claims

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score62.7
  2. Costout of 100 · 30%59.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Pih Health PhysiciansDowney, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marlon Maragay Maducdoc among 1,212 otolaryngology physician records in California

Marlon Maragay Maducdoc, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2015 · median 2004 among the 818 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Elias Ayoub, M.D.Downey, CA 902411568400885
  2. Sasha Maher, DODowney, CA 902411467630640
  3. Sameer Ahmed, M.D.Downey, CA 902421225328461
  4. John Farinacci, M.D.Downey, CA 902421629012323
  5. Tiffany Genova, MDDowney, CA 902421740717875
  6. Ted Leem, MDDowney, CA 902421821144429
  7. Gordon Sun, MDDowney, CA 902421740481530
  8. John Lee, MDEl Segundo, CA 902451114910239

Common questions

What is Marlon Maragay Maducdoc, M.D.'s NPI number?

Marlon Maragay Maducdoc, M.D.'s National Provider Identifier (NPI) is 1295122653, issued on Apr 22, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Marlon Maragay Maducdoc, M.D. located?

The NPPES record lists a practice address at 11480 Brookshire Ave Ste 300, Downey, CA, 90241. Phone: (562) 826-8000. Providers update this record themselves, so call before visiting.

How can I verify Marlon Maragay Maducdoc, M.D.'s license?

NPPES lists California license number A145398, 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 Marlon Maragay Maducdoc, M.D. prescribe under Medicare Part D?

In 2024, Marlon Maragay Maducdoc, M.D. had 403 Medicare Part D claims for 141 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Marlon Maragay Maducdoc, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.