Dr. Sean Matthew Maiorano, DO
- Medicare services, 2024
- 19
- Medicare patients, 2024
- 26
- Part D claims, 2023
- 244
- MIPS score, 2024
- 81
- Industry payments
- $242
- Practice address
- 1423 Magnolia Ave, Chico, CA 95926-3226
- Practice phone
- Call (530) 332-5010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave)
Multi-specialty group site · Chico, California
Find Dr. Maiorano's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sean Matthew Maiorano is a hospitalist in Chico, California
Dr. Maiorano practices at Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave) in Chico, California.
Dr. Maiorano's NPI, 1487693552, was assigned on June 5, 2006. Dr. Maiorano graduated from Michigan State University College Of Osteopathic Medicine in 2002. Dr. Maiorano's California license number on file is 20A9430.
- NPI
- 1487693552NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436118700
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 332-5010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sean Matthew Maiorano practices at 2 locations in Chico, California
Dr. Maiorano's primary practice is Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave), at 1423 Magnolia Ave, Chico, CA 95926-3226. The practice phone is (530) 332-5010. The NPI Registry lists Dr. Maiorano's practice address as 1531 Esplanade, Chico, CA 95926.
- Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave)Primary1423 Magnolia Ave, Chico, CA 95926-3226Phone(530) 332-5010
- NPI Registry address1531 Esplanade, Chico, CA 95926 · Butte CountyPhone(530) 896-7455
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Sean Matthew Maiorano is affiliated with 1 site of care and 1 medical group
Dr. Maiorano's primary practice is Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave) in Chico, California. The medical group on file is Chico Hospitalist Group.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Sean Matthew Maiorano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maiorano practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sean Matthew Maiorano is one of 3,186 hospitalists in California
Hospitalist is Dr. Maiorano's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Maiorano is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Maiorano's licenses on file in 3 states: California, Arizona and Michigan.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Arizona license
- Michigan license
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, anemia, atherosclerosis, cardiac arrhythmia, cellulitis, chest pain and circulation problems among the conditions Dr. Maiorano treats.
Hospitalists near Dr. Maiorano
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sean Matthew Maiorano billed Medicare for 19 services in 2024
CMS data shows 19 Medicare services from Dr. Maiorano across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $2,406 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Maiorano's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4082024: 1999%
Dr. Maiorano compared with the California median for hospitalists, 2024
- Dr. Maiorano
- California median
- Medicare services
- 19vs 43096% below
- Medicare patients
- 26vs 20187% below
- Part D claims
- 244vs 693.5 times
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Maiorano's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maiorano and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean Matthew Maiorano treated 26 Medicare patients in 2024, average age 77
CMS counts 26 Medicare patients who saw Dr. Maiorano in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Maiorano's median patient age at 38, with 100% women.
Dr. Maiorano's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Maiorano's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease58%
- Diabetes58%
- Heart failure54%
- Anxiety46%
- Atrial fibrillation46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maiorano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean Matthew Maiorano wrote 244 Medicare Part D claims in 2023
In 2023, Dr. Maiorano wrote 244 Medicare Part D claims. They cover 14 drugs, with $20,475 in total drug cost. In 2022, CMS named 152 claims across 8 drugs.
Dr. Maiorano's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1522023: 24461%
Drugs named by CMS: 14 in 2023, 8 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Sean Matthew Maiorano scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Maiorano for performance year 2024, reported as part of a group. Dr. Maiorano accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Maiorano's MIPS scores, performance year 2024
- 81of 100Final score
- 60.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Sean Matthew Maiorano received $242 in industry payments from 2018 to 2022
CMS Open Payments shows 4 general payments to Dr. Maiorano from 2 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $199.
General payments to Dr. Maiorano by program year, 2018 to 2022
Companies that paid Dr. Maiorano the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sean Matthew Maiorano graduated from Michigan State University College Of Osteopathic Medicine
Dr. Maiorano graduated from Michigan State University College Of Osteopathic Medicine in 2002. Dr. Maiorano is a member of AOA.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Sean Matthew Maiorano's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sean Matthew Maiorano
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sean Matthew Maiorano's NPI number?
Dr. Sean Matthew Maiorano's NPI number is 1487693552. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean Matthew Maiorano?
Dr. Sean Matthew Maiorano is a hospitalist in Chico, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Sean Matthew Maiorano practice?
Dr. Maiorano practices at 1423 Magnolia Ave, Chico, CA 95926-3226. Dr. Maiorano also practices at 1531 Esplanade, Chico, CA 95926. Dr. Maiorano's primary practice is Chico Hospitalist Group - OB/GYN & Women's Health - Chico (1423 Magnolia Ave) in Chico, California.
What is Dr. Sean Matthew Maiorano's office phone number?
The practice phone on file for Dr. Maiorano is (530) 332-5010.
What is Dr. Sean Matthew Maiorano's medical license number?
Dr. Maiorano's California license number on file is 20A9430, one of the licenses on file in 3 states.
Which states has Dr. Sean Matthew Maiorano been licensed in?
Dmand AI has state licenses on file for Dr. Maiorano in California (2005 to 2025), Arizona (2003 to 2006) and Michigan (2002 to 2003).
What medical group is Dr. Sean Matthew Maiorano part of?
Dr. Maiorano is linked to Chico Hospitalist Group.
Does Dr. Sean Matthew Maiorano accept Medicare?
Yes. CMS data shows Dr. Maiorano billed Medicare for 19 services in 2024, and Dr. Maiorano accepts Medicare assignment.
What is Dr. Sean Matthew Maiorano's MIPS score?
Dr. Maiorano's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Sean Matthew Maiorano see?
CMS counts 26 Medicare patients who saw Dr. Maiorano in 2024, with an average age of 77.
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Is Dr. Sean Matthew Maiorano board certified?
Yes. Dr. Maiorano is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sean Matthew Maiorano bill to Medicare?
In 2024, Dr. Maiorano's most billed Medicare services were hospital inpatient care (99223).
Where did Dr. Sean Matthew Maiorano go to medical school?
Dr. Maiorano graduated from Michigan State University College Of Osteopathic Medicine in 2002.
What drugs does Dr. Sean Matthew Maiorano prescribe most?
In 2023 Medicare Part D data, Dr. Maiorano's most prescribed drugs by claims were Amlodipine Besylate, Pantoprazole Sodium and Furosemide.
Has Dr. Sean Matthew Maiorano received payments from drug or device companies?
CMS Open Payments shows $242 in general payments to Dr. Maiorano from 2 companies from 2018 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Sean Matthew Maiorano been practicing?
Dr. Maiorano graduated from medical school in 2002, 24 years ago.
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