Justin J. Chow
Dentist · South Portland, ME
Justin J. Chow is a dentist with a practice address in South Portland, Maine, and NPI 1306455720, issued on Jul 31, 2020. Check the license (Maine DEN4820, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin J. Chow
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN4820 ME
Self-reported in NPPES; status is on the state search - Practice location
- 171 Maine Mall RD, South Portland, ME 04106
- Phone
- (866) 803-4943
- Enumerated
- Jul 31, 2020
- Record last updated
- Jul 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 390 in Maine → Look up another NPI →
Also registered at 171 Maine Mall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Flaherty, DMDDentist1902399504
- John Kane, DMDDentist1912763251
- Eric Kessler, DDSDentist1851096549
- Alexandra Mann, DDSDentist1326327263
- Kembria MayesDentist1437904513
- Nathan Oakes, DMDGeneral Practice Dentistry1144660515
Verify Justin J. Chow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN4820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average dentist in 2024
28 Medicare Part D claims for 25 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin19 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: $15.53
1 payment: food and beverage; the largest payer was Philips North America LLC. 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.
Justin J. Chow among 390 dentist records in Maine
Justin J. Chow is one of 390 dentist records with a practice address in Maine. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 74% of them.
- NPI issued2020 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2020 · 65% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 dentist records list a practice address in South Portland
They are 13 of the 1,143 NPPES records with a practice address in South Portland, and 390 dentist records in Maine.
All 390 in Maine → Every provider in South Portland → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Daniel Armstrong, DMDS Portland, ME 041061952313009
- James Chatmas, DDSSouth Portland, ME 041061710698675
- Nicholas Flaherty, DMDSouth Portland, ME 041061902399504
- Joanna Fox, D.M.DPortland, ME 041061831537687
- John Kane, DMDSouth Portland, ME 041061912763251
- Eric Kessler, DDSSouth Portland, ME 041061851096549
- Alexandra Mann, DDSSouth Portland, ME 041061326327263
- Kembria MayesSouth Portland, ME 041061437904513
Common questions
What is Justin J. Chow's NPI number?
Justin J. Chow's National Provider Identifier (NPI) is 1306455720, issued on Jul 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Justin J. Chow located?
The NPPES record lists a practice address at 171 Maine Mall RD, South Portland, ME, 04106. Phone: (866) 803-4943. Providers update this record themselves, so call before visiting.
How can I verify Justin J. Chow's license?
NPPES lists Maine license number DEN4820, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Justin J. Chow prescribe under Medicare Part D?
In 2024, Justin J. Chow had 28 Medicare Part D claims for 25 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.