Sean Matthew Maiorano, D.O.
Hospitalist Physician · Chico, CA
Sean Matthew Maiorano, D.O. is a hospitalist physician with a practice address in Chico, California, and NPI 1487693552, issued on Jun 5, 2006. Check the license (California 20A9430, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sean Matthew Maiorano
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A9430 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1423 Magnolia Ave, Chico, CA 95926
- Phone
- (530) 896-7455
- Enumerated
- Jun 5, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (530) 896-1730
- Medicare enrollment
- Enrolled (PECOS I20060612000171); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2002
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1423 Magnolia Ave
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- Kimberly Hunt, M.D.Obstetrics & Gynecology Physician1144582081
- Kacie RoundsObstetrics & Gynecology Physician1366814576
- Harpreet ShellerFamily Nurse Practitioner1407426695
Verify Sean Matthew Maiorano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 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).
Bills Medicare through one group practice
- Enloe Medical CenterChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Matthew Maiorano among 3,099 hospitalist physician records in California
Sean Matthew Maiorano, D.O. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2002 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Chico → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Francisco Alvarez, M.D.Chico, CA 959261588690648
- Matthew Baska, D.O.Chico, CA 959261700146347
- Nicholas Gaskill, MDChico, CA 959261194349639
- Attila Kasza, M.D.Chico, CA 959261952340937
- Roshanak Najibi, M.DChico, CA 959261710326087
- Edward O'Regan, M.D.Chico, CA 959261972543379
- Suresh Kumar Pasya, M.D.Chico, CA 959261871510651
- Vikram Reddy, MDChico, CA 959261982694436
Common questions
What is Sean Matthew Maiorano, D.O.'s NPI number?
Sean Matthew Maiorano, D.O.'s National Provider Identifier (NPI) is 1487693552, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean Matthew Maiorano, D.O. located?
The NPPES record lists a practice address at 1423 Magnolia Ave, Chico, CA, 95926. Phone: (530) 896-7455. Providers update this record themselves, so call before visiting.
How can I verify Sean Matthew Maiorano, D.O.'s license?
NPPES lists California license number 20A9430, 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.
What is Sean Matthew Maiorano, D.O.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.