Ruben Sangalang Casabar, M.D.
General Practice Physician · Maywood, CA
Ruben Sangalang Casabar, M.D. is a general practice physician with a practice address in Maywood, California, and NPI 1104910629, issued on Oct 2, 2006. Check the license (California A47793, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruben Sangalang Casabar
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A47793 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6021 Atlantic Blvd, Maywood, CA 90270
- Phone
- (323) 484-9590
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 10, 2022
- Fax
- (323) 457-9103
- Medicaid ID
- 00A477930 CA
- Medicare enrollment
- Enrolled (PECOS I20040427000577); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 6021 Atlantic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leah Buscho, NPFamily Nurse Practitioner1255804365
Verify Ruben Sangalang Casabar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A47793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average general practice physician in 2024
13,130 Medicare Part D claims for 455 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 83 claims were for opioids.
Most prescribed
- Atorvastatin Calcium728 claims
- Amlodipine Besylate543 claims
- Metformin Hcl492 claims
- Levothyroxine Sodium477 claims
- Losartan Potassium388 claims
- Omeprazole384 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: $824.13
32 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 4,259 providers of this specialty with any payment received $1,273.40 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
- Behavioral Health Services Inc.Hawthorne, CA
- Ruben S Casabar MD IncMaywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruben Sangalang Casabar among 1,956 general practice physician records in California
Ruben Sangalang Casabar, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1980 · median 1994 among the 520 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 general practice physician records list a practice address in Maywood
They are 5 of the 75 NPPES records with a practice address in Maywood, and 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Maywood → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jesus Aseniero, M.D.Maywood, CA 902701215985536
- Dean Ferdows, M.D.Maywood, CA 902701679587091
- Jose Navarrete, M.D.Maywood, CA 902701447326855
- Heidi Tawadros, PA.CMaywood, CA 902701992929335
- Van Nguyen, M.D.Pacific Palisades, CA 902721487697843
- Nora Fong, M.D.Manhattan Beach, CA 902661609248053
- Gene Hawkins, M.D.Manhattan Beach, CA 902661245328079
- Jeffrey Hoffmeister, M.D.Manhattan Beach, CA 902661346582251
Common questions
What is Ruben Sangalang Casabar, M.D.'s NPI number?
Ruben Sangalang Casabar, M.D.'s National Provider Identifier (NPI) is 1104910629, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Sangalang Casabar, M.D. located?
The NPPES record lists a practice address at 6021 Atlantic Blvd, Maywood, CA, 90270. Phone: (323) 484-9590. Providers update this record themselves, so call before visiting.
How can I verify Ruben Sangalang Casabar, M.D.'s license?
NPPES lists California license number A47793, 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 Ruben Sangalang Casabar, M.D. prescribe under Medicare Part D?
In 2024, Ruben Sangalang Casabar, M.D. had 13,130 Medicare Part D claims for 455 beneficiaries; the average among general practice physician prescribers was 3,030. 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.