Marius Viseroi, M.D.
Pulmonary Disease Physician · Oceanside, CA
Marius Viseroi, M.D. is a pulmonary disease physician with a practice address in Oceanside, California, and NPI 1669886933, issued on Jun 16, 2014. Check the license (California A147281, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marius Viseroi
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A147281 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3907 Waring RD Ste 2, Oceanside, CA 92056
- Phone
- (760) 941-0221
- Enumerated
- Jun 16, 2014
- Record last updated
- Jan 3, 2024
- Fax
- (760) 941-0905
- Medicare enrollment
- Enrolled (PECOS I20180307001989); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 3907 Waring RD Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Corona, M.D.Pulmonary Disease Physician1821197385
- Steven Sims, MS, RN, AGPCNP-BCNurse Practitioner1316302151
- Mark Yamanaka, M.D.Pulmonary Disease Physician1013004852
Verify Marius Viseroi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A147281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
99 Medicare Part D claims for 27 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Trelegy Ellipta24 claims
- Stiolto Respimat15 claims
- Albuterol Sulfate Hfa13 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): 80.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $651.90
11 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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 3 group practices
- Cep America - Intensivists PCLong Beach, CA
- County OF Santa ClaraSan Jose, CA
- Pulmonary Specialists OF North County IncOceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marius Viseroi among 1,443 pulmonary disease physician records in California
Marius Viseroi, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2005 · median 2002 among the 1,061 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Oceanside → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Frank Corona, M.D.Oceanside, CA 920561821197385
- Martin Nielsen, M.D.Oceanside, CA 920561760400550
- Pratan Vathesatogkit, M.D.Oceanside, CA 920561053441329
- Mark Yamanaka, M.D.Oceanside, CA 920561013004852
- Daniel Lamorte, MDCamp Pendleton, CA 920551497218366
- Christopher Cheng, MDLa Jolla, CA 920371194228957
- Clinton Colaco, MDLa Jolla, CA 920371932405081
- Bryce Duchman, M.D.La Jolla, CA 920371659753218
Common questions
What is Marius Viseroi, M.D.'s NPI number?
Marius Viseroi, M.D.'s National Provider Identifier (NPI) is 1669886933, issued on Jun 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marius Viseroi, M.D. located?
The NPPES record lists a practice address at 3907 Waring RD Ste 2, Oceanside, CA, 92056. Phone: (760) 941-0221. Providers update this record themselves, so call before visiting.
How can I verify Marius Viseroi, M.D.'s license?
NPPES lists California license number A147281, 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 Marius Viseroi, M.D. prescribe under Medicare Part D?
In 2024, Marius Viseroi, M.D. had 99 Medicare Part D claims for 27 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Marius Viseroi, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.6 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.