Arthur Ray Mabaquiao, M.D.
Rheumatology Physician · San Diego, CA
Arthur Ray Mabaquiao, M.D. is a rheumatology physician with a practice address in San Diego, California, and NPI 1730271933, issued on Sep 28, 2006. Check the license (California 207RR0500X, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arthur Ray Mabaquiao
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 207RR0500X CA
Self-reported in NPPES; status is on the state search - Practice location
- 5030 Camino DE LA Siesta Ste 106, San Diego, CA 92108
- Phone
- (619) 334-4869
- Enumerated
- Sep 28, 2006
- Record last updated
- Jan 10, 2023
- Fax
- (619) 334-4940
- Medicare enrollment
- Enrolled (PECOS I20051115000708); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 5030 Camino DE LA Siesta Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Delgado, M.DAdult Medicine Physician1083639470
- Yuchao Jin, PA-CMedical Physician Assistant1518454396
Verify Arthur Ray Mabaquiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 207RR0500XCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average rheumatology physician in 2024
3,918 Medicare Part D claims for 380 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 62 claims were for opioids.
Most prescribed
- Prednisone225 claims
- Diclofenac Sodium217 claims
- Hydroxychloroquine Sulfate193 claims
- Celecoxib164 claims
- Pregabalin164 claims
- Methotrexate149 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 39.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $33,861.29
364 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Cabrillo Center For Rheumatic Disease ApcSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arthur Ray Mabaquiao among 926 rheumatology physician records in California
Arthur Ray Mabaquiao, M.D. is one of 926 rheumatology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1995 · median 2003 among the 641 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in San Diego → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Monica Budianu, M.D.San Diego, CA 921081699967083
- Ara Dikranian, M.DSan Diego, CA 921081609962026
- Gayle Kookootsedes, M.D.San Diego, CA 921081720428048
- Malahat Movahedian, M.D.San Diego, CA 921081386022945
- Mahmood Pazirandeh, MD, FACP, FACRSan Diego, CA 921081134109390
- Natasha Conley, D.O.San Diego, CA 921091639136344
- Firooezh Motamedi, MDSan Diego, CA 921091285720227
- Ross Howard, M.D.San Diego, CA 921061447791181
Common questions
What is Arthur Ray Mabaquiao, M.D.'s NPI number?
Arthur Ray Mabaquiao, M.D.'s National Provider Identifier (NPI) is 1730271933, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Ray Mabaquiao, M.D. located?
The NPPES record lists a practice address at 5030 Camino DE LA Siesta Ste 106, San Diego, CA, 92108. Phone: (619) 334-4869. Providers update this record themselves, so call before visiting.
How can I verify Arthur Ray Mabaquiao, M.D.'s license?
NPPES lists California license number 207RR0500X, 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 Arthur Ray Mabaquiao, M.D. prescribe under Medicare Part D?
In 2024, Arthur Ray Mabaquiao, M.D. had 3,918 Medicare Part D claims for 380 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Arthur Ray Mabaquiao, M.D.'s MIPS final score?
The 2023 MIPS final score is 39.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.