James Douglas Loo, M.D.
Family Medicine Physician · Chandler, AZ
James Douglas Loo, M.D. is a family medicine physician with a practice address in Chandler, Arizona, and NPI 1053467019, issued on Jan 25, 2007. Check the license (Arizona 22743, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Douglas Loo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22743 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 485 S Dobson RD, Chandler, AZ 85224
- Phone
- (480) 821-4701
- Enumerated
- Jan 25, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (480) 821-4708
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 485 S Dobson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Douglas Loo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
473 Medicare Part D claims for 74 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Losartan Potassium38 claims
- Levothyroxine Sodium34 claims
- Amlodipine Besylate33 claims
- Metformin Hcl22 claims
- Alprazolam21 claims
- Lisinopril21 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: $67.61
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
James Douglas Loo among 3,119 family medicine physician records in Arizona
James Douglas Loo, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 54% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 family medicine physician records list a practice address in Chandler
They are 98 of the 5,497 NPPES records with a practice address in Chandler, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Chandler → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Timothy Baker, MDChandler, AZ 852241821079682
- Andrew Carroll, MDChandler, AZ 852241043214877
- Jessica Doney, MDChandler, AZ 852241255316642
- David Gannon, MDChandler, AZ 852241477534816
- Terry Irons, M.D.Chandler, AZ 852241780657940
- Manju Krishna Pillai, MDChandler, AZ 852241528031648
- Richard Nguyen, DOChandler, AZ 852241164496204
- Erlinda Rodriquez, MDChandler, AZ 852241861462764
Common questions
What is James Douglas Loo, M.D.'s NPI number?
James Douglas Loo, M.D.'s National Provider Identifier (NPI) is 1053467019, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Douglas Loo, M.D. located?
The NPPES record lists a practice address at 485 S Dobson RD, Chandler, AZ, 85224. Phone: (480) 821-4701. Providers update this record themselves, so call before visiting.
How can I verify James Douglas Loo, M.D.'s license?
NPPES lists Arizona license number 22743, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Douglas Loo, M.D. prescribe under Medicare Part D?
In 2024, James Douglas Loo, M.D. had 473 Medicare Part D claims for 74 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.