Romeo C. Castillo, MD
Family Medicine Physician · Hanford, CA
Romeo C. Castillo, MD is a family medicine physician with a practice address in Hanford, California, and NPI 1083691778, issued on Dec 23, 2005. Check the license (California A83587, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Romeo C. Castillo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A83587 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1524 W Lacey Blvd, Hanford, CA 93230
- Phone
- (559) 853-4660
- Enumerated
- Dec 23, 2005
- Record last updated
- Jan 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (559) 583-4685
- Medicare enrollment
- Enrolled (PECOS I20041007000534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1524 W Lacey Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Giridhar Andhavarapu, M.D.Pediatrics Physician1124097043
- Randy Beddoe, MDFamily Medicine Physician1740267426
- Marifi Cabaluna, M.D.Pediatrics Physician1831385665
- Jonathan Cadiente, NPFamily Nurse Practitioner1679187900
- Loveleen Hanjraa, M.DFamily Medicine Physician1164840898
- Lihong LinFamily Nurse Practitioner1497119929
Verify Romeo C. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,573 Medicare Part D claims for 282 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 41 claims were for opioids.
Most prescribed
- Atorvastatin Calcium94 claims
- Amlodipine Besylate82 claims
- Lisinopril56 claims
- Losartan Potassium51 claims
- Omeprazole48 claims
- Albuterol Sulfate Hfa44 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: $180.53
3 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Bartz-Altadonna Community Health CenterLancaster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Romeo C. Castillo among 17,133 family medicine physician records in California
Romeo C. Castillo, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 family medicine physician records list a practice address in Hanford
They are 41 of the 1,362 NPPES records with a practice address in Hanford, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Hanford → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Randy Beddoe, MDHanford, CA 932301740267426
- Frank Buchanan, MDHanford, CA 932301033114061
- Samuel Leon, M.D.Hanford, CA 932301265486070
- Daria Majzoubi, M.D.Hanford, CA 932301811941628
- Kenneth Melashenko, M.D.Hanford, CA 932301902852197
- Dustin Raber, MDHanford, CA 932301962413625
- Billy Redmond, MDHanford, CA 932301518937150
- Adalberto Renteria, MDHanford, CA 932301619948502
Common questions
What is Romeo C. Castillo, MD's NPI number?
Romeo C. Castillo, MD's National Provider Identifier (NPI) is 1083691778, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Romeo C. Castillo, MD located?
The NPPES record lists a practice address at 1524 W Lacey Blvd, Hanford, CA, 93230. Phone: (559) 853-4660. Providers update this record themselves, so call before visiting.
How can I verify Romeo C. Castillo, MD's license?
NPPES lists California license number A83587, 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 Romeo C. Castillo, MD prescribe under Medicare Part D?
In 2024, Romeo C. Castillo, MD had 1,573 Medicare Part D claims for 282 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.