Robert Casillas, MD
Surgery Physician · Sacramento, CA
Robert Casillas, MD is a surgery physician with a practice address in Sacramento, California, and NPI 1316983117, issued on Jun 21, 2006. Check the license (California A82946, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Casillas
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A82946 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2315 Stockton Blvd, Sacramento, CA 95817
- Phone
- (916) 734-7290
- Enumerated
- Jun 21, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (916) 734-3951
- Medicare enrollment
- Enrolled (PECOS I20060815000373); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 2315 Stockton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik Abrames, M.D.Diagnostic Radiology Physician1558342337
- Angel Acevedo Carrasco, PAPhysician Assistant1316523319
- Lyndsey Ackerman, NPPediatric Nurse Practitioner1619630464
- Jason Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1134367568
- Sindhu Addepalli, MDInternal Medicine Physician1306405501
- Joseph Adducci, PA-CPhysician Assistant1023672342
Verify Robert Casillas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average surgery physician in 2024
86 Medicare Part D claims for 27 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole28 claims
- Gabapentin13 claims
- Ondansetron Hcl11 claims
- Sucralfate11 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: $8,569.72
44 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Casillas among 3,118 surgery physician records in California
Robert Casillas, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2001 · median 2003 among the 1,901 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Sacramento → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Mohamed Ali, MDSacramento, CA 958171174504443
- Rachael Callcut, MDSacramento, CA 958171023066677
- Diana Farmer, MDSacramento, CA 958171033177167
- Joseph Galante, MDSacramento, CA 958171255338562
- David Greenhalgh, MDSacramento, CA 958171861474199
- Rachel Hight, M.D.Sacramento, CA 958171962461012
- Hung Ho, M.D.Sacramento, CA 958171417930785
- Tina Palmieri, MDSacramento, CA 958171194709444
Common questions
What is Robert Casillas, MD's NPI number?
Robert Casillas, MD's National Provider Identifier (NPI) is 1316983117, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Casillas, MD located?
The NPPES record lists a practice address at 2315 Stockton Blvd, Sacramento, CA, 95817. Phone: (916) 734-7290. Providers update this record themselves, so call before visiting.
How can I verify Robert Casillas, MD's license?
NPPES lists California license number A82946, 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 Robert Casillas, MD prescribe under Medicare Part D?
In 2024, Robert Casillas, MD had 86 Medicare Part D claims for 27 beneficiaries; the average among surgery physician prescribers was 147. 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.