John D. Michalak, D.M.D.
General Practice Dentistry · Branford, CT
John D. Michalak, D.M.D. is a general practice dentistry with a practice address in Branford, Connecticut, and NPI 1831240035, issued on Jan 15, 2007. Check the license (Connecticut 9451, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John D. Michalak
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 9451 CT
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Main St, Branford, CT 06405
- Phone
- (203) 488-6553
- Enumerated
- Jan 15, 2007
- Record last updated
- Jan 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 481-6691
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,731 in Connecticut → Look up another NPI →
Also registered at 420 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diane Donohue, APRNNurse Practitioner1740626803
- Barry Josephs, D.D.S.General Practice Dentistry1922043751
Verify John D. Michalak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 9451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average general practice dentistry in 2024
122 Medicare Part D claims for 91 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin88 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: $1,785.68
14 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
John D. Michalak among 1,731 general practice dentistry records in Connecticut
John D. Michalak, D.M.D. is one of 1,731 general practice dentistry records with a practice address in Connecticut. 63% 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 31% of them.
- NPI issued2007 · 31% of these records are older, 39% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 general practice dentistry records list a practice address in Branford
They are 20 of the 661 NPPES records with a practice address in Branford, and 1,731 general practice dentistry records in Connecticut.
All 1,731 in Connecticut → Every provider in Branford → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Robert Badrigian, DDSBranford, CT 064051417950411
- Ronald Bailey, DMDBranford, CT 064051306951694
- Michael Berky, D.D.S.Branford, CT 064051841402815
- Ryan Finnegan, DDSBranford, CT 064051265692149
- Ping Ge, D.D.S.Branford, CT 064051922241496
- John Girald, DMDBranford, CT 064051003921347
- Robert Hacker, D.M.DBranford, CT 064051578779740
- Barry Josephs, D.D.S.Branford, CT 064051922043751
Common questions
What is John D. Michalak, D.M.D.'s NPI number?
John D. Michalak, D.M.D.'s National Provider Identifier (NPI) is 1831240035, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John D. Michalak, D.M.D. located?
The NPPES record lists a practice address at 420 E Main St, Branford, CT, 06405. Phone: (203) 488-6553. Providers update this record themselves, so call before visiting.
How can I verify John D. Michalak, D.M.D.'s license?
NPPES lists Connecticut license number 9451, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does John D. Michalak, D.M.D. prescribe under Medicare Part D?
In 2024, John D. Michalak, D.M.D. had 122 Medicare Part D claims for 91 beneficiaries; the average among general practice dentistry prescribers was 83. 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.