Mary Isabel Ragsdale, M.D.
Adult Reconstructive Orthopaedic Surgery Physician · Ventura, CA
Mary Isabel Ragsdale, M.D. is an adult reconstructive orthopaedic surgery physician with a practice address in Ventura, California, and NPI 1295977957, issued on Mar 27, 2009. Check the license (California A130408, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Isabel Ragsdale
- Credential
- M.D.
- Primary taxonomy
- Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
- License number
- A130408 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3291 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 652-6150
- Enumerated
- Mar 27, 2009
- Record last updated
- Oct 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140813002981); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2009
- Entity
- Type 1 · individual
8 nearest adult reconstructive orthopaedic surgery physician records → All 147 in California → Look up another NPI →
Also registered at 3291 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brad Adler, M.D.Anatomic Pathology Physician1003979618
- Alejandro Andrade, M.D.Family Medicine Physician1770713190
- James Appel, MDFamily Medicine Physician1083939706
- David Araujo, M.D.Family Medicine Physician1114955994
- Maria Arizmendi, M.D.Pediatrics Physician1366641961
- Ralph Armstrong, M.D.Psychiatry Physician1518016443
Verify Mary Isabel Ragsdale in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A130408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average adult reconstructive orthopaedic surgery physician in 2024
392 Medicare Part D claims for 91 beneficiaries, against an average of 579 among the 1,112 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gabapentin79 claims
- Ibuprofen78 claims
- Diclofenac Sodium71 claims
- Meloxicam47 claims
- Amoxicillin15 claims
- Ozempic11 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).
Bills Medicare through one group practice
- County OF VenturaVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Isabel Ragsdale among 147 adult reconstructive orthopaedic surgery physician records in California
Mary Isabel Ragsdale, M.D. is one of 147 adult reconstructive orthopaedic surgery physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 47% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2009 · median 2009 among the 112 with a school on file
- Record last updated2016 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0114X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Reconstructive Orthopaedic Surgery Physician providers in California
There are 147 adult reconstructive orthopaedic surgery physician records in California.
All 147 in California → Every provider in Ventura → Adult Reconstructive Orthopaedic Surgery Physician nationwide →
The 8 adult reconstructive orthopaedic surgery physician records with the nearest ZIP codes
- Thomas Horn, M.D.Ventura, CA 930031194781005
- Mario Vargas-Vila, MD, PHDVentura, CA 930031134501307
- Robert O'Hollaren, M.D.Ventura, CA 930011801852710
- Craig Zeman, M.D.Oxnard, CA 930301710943618
- Gary Bradley, MDSanta Barbara, CA 931011386756724
- Ryan Digiovanni, MDOrange, CA 928681720440951
- Bang Hoang, MDOrange, CA 928681568542629
- Peter Hsiue, M.D.Orange, CA 928681679935944
Common questions
What is Mary Isabel Ragsdale, M.D.'s NPI number?
Mary Isabel Ragsdale, M.D.'s National Provider Identifier (NPI) is 1295977957, issued on Mar 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary Isabel Ragsdale, M.D. located?
The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 652-6150. Providers update this record themselves, so call before visiting.
How can I verify Mary Isabel Ragsdale, M.D.'s license?
NPPES lists California license number A130408, 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 Mary Isabel Ragsdale, M.D. prescribe under Medicare Part D?
In 2024, Mary Isabel Ragsdale, M.D. had 392 Medicare Part D claims for 91 beneficiaries; the average among adult reconstructive orthopaedic surgery physician prescribers was 579. Part D covers Medicare prescriptions only.
What is Mary Isabel Ragsdale, M.D.'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.