Isobel Ycasas Santos, M.D.
Surgery of the Hand (Surgery) Physician · Fresno, CA
Isobel Ycasas Santos, M.D. is a surgery of the hand (surgery) physician with a practice address in Fresno, California, and NPI 1316306574, issued on Feb 16, 2016. Check the license (California A191342, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isobel Ycasas Santos
- Credential
- M.D.
- Primary taxonomy
- Surgery of the Hand (Surgery) Physician 2086S0105X
- License number
- A191342 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2139 E Beechwood Ave, Fresno, CA 93720
- Phone
- (559) 322-6600
- Enumerated
- Feb 16, 2016
- Record last updated
- Oct 22, 2024
- Fax
- (559) 322-4625
- Medicare enrollment
- Enrolled (PECOS I20240124004678); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest surgery of the hand (surgery) physician records → All 39 in California → Look up another NPI →
Also registered at 2139 E Beechwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Avena, M.D.Surgery of the Hand (Surgery) Physician1114903648
- Ileana Cervantes, PA-CPhysician Assistant1073756235
- Randi Galli, M.D.Surgery of the Hand (Surgery) Physician1932184959
- Steven Goss, P.A.Physician Assistant1629054309
- Nathan Healy, PA-CPhysician Assistant1902043458
- Bethany HerbletOccupational Therapist1891964383
Verify Isobel Ycasas Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A191342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average surgery of the hand (surgery) physician in 2024
30 Medicare Part D claims for 18 beneficiaries, against an average of 188 among the 346 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
Most prescribed
- Tramadol Hcl11 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.
Industry payments in 2024: $253.78
3 payments; by number, the most common kind was food and beverage; the largest payer was Sonex Health, Inc. The 296 providers of this specialty with any payment received $4,725.83 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
- Randi A Galli MD IncMerced, CA
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isobel Ycasas Santos among 39 surgery of the hand (surgery) physician records in California
Isobel Ycasas Santos, M.D. is one of 39 surgery of the hand (surgery) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 95% of them.
- NPI issued2016 · 95% of these records are older, 0% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2000 among the 29 with a school on file
- Record last updated2024 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery of the Hand (Surgery) Physician providers in California
There are 39 surgery of the hand (surgery) physician records in California.
All 39 in California → Every provider in Fresno → Surgery of the Hand (Surgery) Physician nationwide →
The 8 surgery of the hand (surgery) physician records with the nearest ZIP codes
- Ricardo Avena, M.D.Fresno, CA 937201114903648
- Randi Galli, M.D.Fresno, CA 937201932184959
- Alexander Majors, M.D.Fresno, CA 937201598879694
- Ryan Stehr, MDFresno, CA 937201972828812
- Marie Dusch, MDSanta Maria, CA 934551659753911
- Nicholas Caggiano, MDSan Luis Obispo, CA 934051306133699
- Frederick Abruzzo, M.D.San Francisco, CA 941031801000815
- Samuel Kao, M.D.San Francisco, CA 941081497747943
Common questions
What is Isobel Ycasas Santos, M.D.'s NPI number?
Isobel Ycasas Santos, M.D.'s National Provider Identifier (NPI) is 1316306574, issued on Feb 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Isobel Ycasas Santos, M.D. located?
The NPPES record lists a practice address at 2139 E Beechwood Ave, Fresno, CA, 93720. Phone: (559) 322-6600. Providers update this record themselves, so call before visiting.
How can I verify Isobel Ycasas Santos, M.D.'s license?
NPPES lists California license number A191342, 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 Isobel Ycasas Santos, M.D. prescribe under Medicare Part D?
In 2024, Isobel Ycasas Santos, M.D. had 30 Medicare Part D claims for 18 beneficiaries; the average among surgery of the hand (surgery) physician prescribers was 188. Part D covers Medicare prescriptions only.
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.