Arnel Joaquin, M.D.
Specialist · Glendale, CA
Arnel Joaquin, M.D. is a specialist with a practice address in Glendale, California, and NPI 1720032980, issued on May 20, 2006. Check the license (California A51799, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Arnel Joaquin
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A51799 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 S Central Ave Ste 320, Glendale, CA 91204
- Phone
- (213) 880-3305
- Enumerated
- May 20, 2006
- Record last updated
- Jul 24, 2026
- Fax
- (888) 395-2566
- Medicaid ID
- 00A517990 CA
- Medicare enrollment
- Enrolled (PECOS I20101117000683); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify Arnel Joaquin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A51799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.3 times the Medicare Part D claims of the average specialist in 2024
8,733 Medicare Part D claims for 414 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium447 claims
- Levothyroxine Sodium431 claims
- Amlodipine Besylate267 claims
- Tamsulosin Hcl258 claims
- Metformin Hcl248 claims
- Metoprolol Succinate239 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.
Bills Medicare through one group practice
- Ideal Health Care And MedicalGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arnel Joaquin among 5,749 specialist records in California
Arnel Joaquin, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1989 · median 1989 among the 1,075 with a school on file
- Record last updated2026 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Glendale → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Gholam Farboody, MDGlendale, CA 912041831110923
- N. Johnson, M.D.Glendale, CA 912041528041076
- David Rogers, M.D.Glendale, CA 912041770510513
- Ferdinant Saran, MDGlendale, CA 912041245280007
- David Sherman, M.D.Glendale, CA 912041235164294
- Hartyoun Yousif, M.D.Glendale, CA 912041306066899
- Albert Baktanian, M.D.Glendale, CA 912051336176072
- Gary Havens, M.D.Glendale, CA 912031497763999
Common questions
What is Arnel Joaquin, M.D.'s NPI number?
Arnel Joaquin, M.D.'s National Provider Identifier (NPI) is 1720032980, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arnel Joaquin, M.D. located?
The NPPES record lists a practice address at 1500 S Central Ave Ste 320, Glendale, CA, 91204. Phone: (213) 880-3305. Providers update this record themselves, so call before visiting.
How can I verify Arnel Joaquin, M.D.'s license?
NPPES lists California license number A51799, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Arnel Joaquin, M.D. prescribe under Medicare Part D?
In 2024, Arnel Joaquin, M.D. had 8,733 Medicare Part D claims for 414 beneficiaries; the average among specialist prescribers was 1,380. 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.