Gregory Park Chinn, D.D.S.
Dentist · Seattle, WA
Gregory Park Chinn, D.D.S. is a dentist with a practice address in Seattle, Washington, and NPI 1235114943, issued on Dec 14, 2005. Check the license (Washington DE00010426, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Park Chinn
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DE00010426 WA
Self-reported in NPPES; status is on the state search - Practice location
- 7311 39TH Ave SW, Seattle, WA 98136
- Phone
- (206) 290-7288
- Enumerated
- Dec 14, 2005
- Record last updated
- Mar 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,767 in Washington → Look up another NPI →
Verify Gregory Park Chinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE00010426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average dentist in 2024
68 Medicare Part D claims for 34 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Amoxicillin27 claims
- Hydrocodone-Acetaminophen14 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.
Gregory Park Chinn among 2,767 dentist records in Washington
Gregory Park Chinn, D.D.S. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% 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 updated2019 · 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).
Dentist providers in Washington
There are 2,767 dentist records in Washington.
All 2,767 in Washington → Every provider in Seattle → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Mark Bingham, DDSSeattle, WA 981361275547671
- Christine Kirchner, D.D.S.Seattle, WA 981361710973607
- Jahyun Koo, D.D.SSeattle, WA 981361578869657
- Seung Baek, DDSShoreline, WA 981331578293890
- Alexis Brito, DDSSeattle, WA 981331043711674
- Hea Jin Cho, DDSSeattle, WA 981331730628801
- Cherry Man Ka ChuiSeattle, WA 981331801247812
- Tram Huynh, DDSSeattle, WA 981331831611573
Common questions
What is Gregory Park Chinn, D.D.S.'s NPI number?
Gregory Park Chinn, D.D.S.'s National Provider Identifier (NPI) is 1235114943, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Park Chinn, D.D.S. located?
The NPPES record lists a practice address at 7311 39TH Ave SW, Seattle, WA, 98136. Phone: (206) 290-7288. Providers update this record themselves, so call before visiting.
How can I verify Gregory Park Chinn, D.D.S.'s license?
NPPES lists Washington license number DE00010426, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Park Chinn, D.D.S. prescribe under Medicare Part D?
In 2024, Gregory Park Chinn, D.D.S. had 68 Medicare Part D claims for 34 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.