Paul Henry Castello, M.D.
Orthopaedic Surgery Physician · Santa Maria, CA
Paul Henry Castello, M.D. is an orthopaedic surgery physician with a practice address in Santa Maria, California, and NPI 1669434510, issued on Apr 5, 2006. Check the license (California G69783, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Henry Castello
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G69783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2342 Professional Pkwy, Santa Maria, CA 93455
- Phone
- (805) 349-9545
- Enumerated
- Apr 5, 2006
- Record last updated
- Apr 18, 2023
- Fax
- (805) 349-8025
- Medicaid ID
- 00G697830 CA
- Medicare enrollment
- Enrolled (PECOS I20100414000378); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 2342 Professional Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Allen, DOFamily Medicine Physician1265417752
- Chloe AnticouniBehavior Technician1821757246
- Dennis Blackburn, D.O.Orthopaedic Surgery Physician1851353205
- Maria CarverBehavior Technician1649745464
- Nicole CroninBehavior Technician1972172708
- Dianne Dawes, P.A.-CMedical Physician Assistant1154459774
Verify Paul Henry Castello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
189 Medicare Part D claims for 85 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 107 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen81 claims
- Amoxicillin25 claims
- Meloxicam22 claims
- Hydrocodone-Acetaminophen19 claims
- Tranexamic Acid13 claims
- Ondansetron Odt11 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 MIPS final score for 2023 (Medicare payment program): 97.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $149.22
1 payment: food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 one group practice
- Central Coast Orthopedic Medical GroupSanta Maria, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Henry Castello among 2,276 orthopaedic surgery physician records in California
Paul Henry Castello, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1989 · median 2003 among the 1,347 with a school on file
- Record last updated2023 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Santa Maria → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Yolanda Batin-Van Rooyen, M.D.Santa Maria, CA 934551427151935
- Dennis Blackburn, D.O.Santa Maria, CA 934551851353205
- Eric Curtis, MDSanta Maria, CA 934551033746474
- James Kasper, M.D.Santa Maria, CA 934551962445098
- Jeffrey Spoo, M.D.Santa Maria, CA 934551053374694
- David Book, MDSanta Maria, CA 934541780603506
- Thor Gjerdrum, MDSanta Maria, CA 934541407830177
- Michael Laird, M.D.Pismo Beach, CA 934491609953892
Common questions
What is Paul Henry Castello, M.D.'s NPI number?
Paul Henry Castello, M.D.'s National Provider Identifier (NPI) is 1669434510, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Henry Castello, M.D. located?
The NPPES record lists a practice address at 2342 Professional Pkwy, Santa Maria, CA, 93455. Phone: (805) 349-9545. Providers update this record themselves, so call before visiting.
How can I verify Paul Henry Castello, M.D.'s license?
NPPES lists California license number G69783, 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 Paul Henry Castello, M.D. prescribe under Medicare Part D?
In 2024, Paul Henry Castello, M.D. had 189 Medicare Part D claims for 85 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Paul Henry Castello, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.7 of 100. 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.