Dr. Reynaldo Borja Castillo, MD
- Medicare services, 2023
- 2,037
- Part D claims, 2024
- 1,889
- Industry payments
- $2,520
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 2675 E Slauson Ave, Huntington Park, CA 90255
- Practice phone
- Call (323) 589-6681
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
All Care Medical Group Inc
Huntington Park, California
Find Dr. Castillo's professional email, personal email and mobile number
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Dr. Reynaldo Borja Castillo is a general practice physician in Huntington Park, California
Dr. Castillo practices at All Care Medical Group Inc in Huntington Park, California.
Dr. Castillo's NPI, 1376665729, was assigned on April 5, 2007. Dr. Castillo holds California license A39948.
- NPI
- 1376665729NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2007
- NPI status
- Active
- Practice phone
- (323) 589-6681
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Reynaldo Borja Castillo practices at All Care Medical Group Inc in Huntington Park, California
Dr. Castillo's primary practice is All Care Medical Group Inc, at 2675 E Slauson Ave, Huntington Park, CA 90255 in Los Angeles County. The practice phone is (323) 589-6681.
- All Care Medical Group Inc2675 E Slauson Ave, Huntington Park, CA 90255 · Los Angeles CountyPhone(323) 589-6681
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Reynaldo Borja Castillo is affiliated with 4 sites of care and 3 medical groups
Dr. Castillo's primary practice is All Care Medical Group Inc in Huntington Park, California. Dmand AI also links Dr. Castillo to 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Reynaldo Borja Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castillo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| All Care Medical Group Inc | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Reynaldo Borja Castillo is one of 1,526 general practice physicians in California
General practice is Dr. Castillo's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Castillo is licensed in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Dr. Castillo
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Reynaldo Borja Castillo billed Medicare for 2,037 services in 2023
CMS data shows 2,037 Medicare services from Dr. Castillo across 7 procedure codes in 2023. Medicare paid $966,234 for them. Every service was in an office.
Dr. Castillo's Medicare services by type, 2018 to 2023
- 2018
- 2023
- Other services
- 2018: 02023: 1,198
- Surgery
- 2018: 02023: 495
- Office and hospital visits
- 2018: 302023: 3441047%
Dr. Castillo compared with the California median for general practice physicians, 2023
- Dr. Castillo
- California median
- Medicare services
- 2,037vs 2627.8 times
- Part D claims
- 1,423vs 1927.4 times
Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.
Dr. Castillo's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Reynaldo Borja Castillo's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Castillo's median patient age at 54, with 56% women.
Dr. Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Reynaldo Borja Castillo wrote 1,889 Medicare Part D claims in 2024
In 2024, Dr. Castillo wrote 1,889 Medicare Part D claims for 145 patients. 87% of them were for generic drugs. CMS names the drug for 1,423 of them, across 43 drugs with 11 or more claims each, at $73,625 in total drug cost. In 2023, CMS named 1,190 claims across 38 drugs.
Dr. Castillo's Part D claims by kind of drug, 2024
- Generic1,642 claims87%
- Brand-name212 claims11%
- Other35 claims2%
Dr. Castillo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Castillo's Part D claims, 2024
- Opioids1%16 of 1,889 claims
- Antibiotics1%13 of 1,889 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1902024: 1,42320%
Drugs named by CMS: 43 in 2024, 38 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Reynaldo Borja Castillo received $2,520 in industry payments from 2016 to 2025
CMS Open Payments shows 106 general payments to Dr. Castillo from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $451.
General payments to Dr. Castillo by program year, 2016 to 2025
Companies that paid Dr. Castillo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Reynaldo Borja Castillo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Reynaldo Borja Castillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Reynaldo Borja Castillo's NPI number?
Dr. Reynaldo Borja Castillo's NPI number is 1376665729. It was assigned on April 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Reynaldo Borja Castillo?
Dr. Reynaldo Borja Castillo is a general practice physician in Huntington Park, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Reynaldo Borja Castillo practice?
Dr. Castillo practices at 2675 E Slauson Ave, Huntington Park, CA 90255. Dr. Castillo's primary practice is All Care Medical Group Inc in Huntington Park, California. Dmand AI also links Dr. Castillo to 3 group practices and clinics and 3 medical groups.
What is Dr. Reynaldo Borja Castillo's office phone number?
The practice phone on file for Dr. Castillo is (323) 589-6681.
What is Dr. Reynaldo Borja Castillo's medical license number?
Dr. Castillo holds California license A39948.
Does Dr. Reynaldo Borja Castillo accept Medicare?
Yes. CMS data shows Dr. Castillo billed Medicare for 2,037 services in 2023.
What services does Dr. Reynaldo Borja Castillo bill to Medicare?
In 2023, Dr. Castillo's most billed Medicare services were medicare temporary code (Q4188), home visit (99348) and surgery: skin and soft tissue (11042).
What drugs does Dr. Reynaldo Borja Castillo prescribe most?
In 2024 Medicare Part D data, Dr. Castillo's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Famotidine.
Has Dr. Reynaldo Borja Castillo received payments from drug or device companies?
CMS Open Payments shows $2,520 in general payments to Dr. Castillo from 21 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Reynaldo Borja Castillo been practicing?
Dr. Castillo graduated from medical school in 1977, 49 years ago.
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