James J. Ma
Dentist · Issaquah, WA
James J. Ma is a dentist with a practice address in Issaquah, Washington, and NPI 1831109230, issued on Aug 8, 2006. Check the license (Washington 8351, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James J. Ma
- Primary taxonomy
- Dentist 122300000X
- License number
- 8351 WA
Self-reported in NPPES; status is on the state search - Practice location
- 22525 SE 64TH PL, Issaquah, WA 98027
- Phone
- (425) 837-0383
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 837-0710
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Also registered at 22525 SE 64TH PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anthony Branch, LMHCCounselor1255671939
- Sheryl Brown, LMFTMarriage & Family Therapist1669478988
- Kiki Chow, D.M.D.General Practice Dentistry1861655177
- Sean Fryer, D.C.Chiropractor1215989454
- Christine Mackie, LMHCMental Health Counselor1720128838
Verify James J. Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 8351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average dentist in 2024
34 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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: $1,896.43
14 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 31,974 providers of this specialty with any payment received $540.36 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 J. Ma among 2,767 dentist records in Washington
James J. Ma is one of 2,767 dentist records with a practice address in Washington. 60% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 78% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 dentist records list a practice address in Issaquah
They are 35 of the 1,727 NPPES records with a practice address in Issaquah, and 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Issaquah → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Gary Folkman, DDSIssaquan, WA 980271295806941
- Peter Huysing, DMDIssaquah, WA 980271861649832
- Jasmine Kao, D.M.D.Issaquah, WA 980271609899129
- Stephanie Kavanaugh, DMD MSD PLLCIssaquah, WA 980271811084833
- Eun Kim, D.D.S.Issaquah, WA 980271467678227
- Kevin Lee, DDSIssaquah, WA 980271790807980
- Chad Merkel, DDSIssaquah, WA 980271659688455
- Sasidhar Narra, MDS, BDSIssaquah, WA 980271508995176
Common questions
What is James J. Ma's NPI number?
James J. Ma's National Provider Identifier (NPI) is 1831109230, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James J. Ma located?
The NPPES record lists a practice address at 22525 SE 64TH PL, Issaquah, WA, 98027. Phone: (425) 837-0383. Providers update this record themselves, so call before visiting.
How can I verify James J. Ma's license?
NPPES lists Washington license number 8351, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does James J. Ma prescribe under Medicare Part D?
In 2024, James J. Ma had 34 Medicare Part D claims for 19 beneficiaries; the average among dentist prescribers was 86. 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.