Alexa Marie Castellano, MD
Otolaryngology Physician · Ventura, CA
Alexa Marie Castellano, MD is an otolaryngology physician with a practice address in Ventura, California, and NPI 1578978813, issued on Jun 25, 2014. Check the license (California A162090, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexa Marie Castellano
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- A162090 CA
125.065078 IL
Self-reported in NPPES; status is on the state search - Practice location
- 300 Hillmont Ave, Ventura, CA 93003
- Phone
- (805) 652-6556
- Enumerated
- Jun 25, 2014
- Record last updated
- Jul 10, 2023
- Fax
- (805) 652-3252
- Medicare enrollment
- Enrolled (PECOS I20191008002602); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 300 Hillmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Adelman, CRTTCertified Respiratory Therapist1114732666
- Henrique Aihara, TECHElectroneurodiagnostic Specialist/Technologist1861108235
- Anne Akhimien, MDFamily Medicine Physician1205408515
- Trease Allen, PSYCH TECHLicensed Psychiatric Technician1174648620
- Mary Allport, LCSWClinical Social Worker1083739320
- Edgar Alviz, RNPsychiatric/Mental Health Registered Nurse1386763175
Verify Alexa Marie Castellano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A162090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average otolaryngology physician in 2024
192 Medicare Part D claims for 62 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Fluticasone Propionate71 claims
- Azelastine Hcl20 claims
- Budesonide15 claims
- Ipratropium Bromide14 claims
- Hydrocodone-Acetaminophen13 claims
- Famotidine12 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): 87.2 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: $291.34
6 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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 2 group practices
- Community Memorial Health SystemVentura, CA
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexa Marie Castellano among 1,212 otolaryngology physician records in California
Alexa Marie Castellano, MD 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 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2014 · median 2004 among the 818 with a school on file
- Record last updated2023 · 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.
All 1,212 in California → Every provider in Ventura → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Armin Alavi, M.D.Ventura, CA 930031134318439
- John Edison, M.D.Ventura, CA 930031134116643
- David Hantke, M.D.Ventura, CA 930031982823688
- Edgar Lueg, MDVentura, CA 930031831260884
- Chau Nguyen, M.D.Ventura, CA 930031720169832
- Arthur Peters, M.D.Ventura, CA 930031306012992
- James Rea, M.D.Ventura, CA 930031063788057
- Tom Coffey, MDOjai, CA 930231942231782
Common questions
What is Alexa Marie Castellano, MD's NPI number?
Alexa Marie Castellano, MD's National Provider Identifier (NPI) is 1578978813, issued on Jun 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Alexa Marie Castellano, MD located?
The NPPES record lists a practice address at 300 Hillmont Ave, Ventura, CA, 93003. Phone: (805) 652-6556. Providers update this record themselves, so call before visiting.
How can I verify Alexa Marie Castellano, MD's license?
NPPES lists California license number A162090, 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 Alexa Marie Castellano, MD prescribe under Medicare Part D?
In 2024, Alexa Marie Castellano, MD had 192 Medicare Part D claims for 62 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Alexa Marie Castellano, MD's MIPS final score?
The 2023 MIPS final score is 87.2 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.