Richard N. Lopatin, MD
Specialist · Fairfield, CT
Richard N. Lopatin, MD is a specialist with a practice address in Fairfield, Connecticut, and NPI 1598757403, issued on Aug 17, 2005. Check the license (Connecticut 020583, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard N. Lopatin
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 020583 CT
Self-reported in NPPES; status is on the state search - Practice location
- 425 Post RD, Fairfield, CT 06824
- Phone
- (203) 292-9000
- Enumerated
- Aug 17, 2005
- Record last updated
- Oct 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 292-1700
- Entity
- Type 1 · individual
8 nearest specialist records → All 397 in Connecticut → Look up another NPI →
Also registered at 425 Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Berard, MDHematology & Oncology Physician1699773804
- Emil Blanco, MDSpecialist1134111040
- Eddy CastilloSpecialist1225020134
Verify Richard N. Lopatin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 020583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
34 Medicare Part D claims, against an average of 1,380 among the 8,233 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.
Richard N. Lopatin among 397 specialist records in Connecticut
Richard N. Lopatin, MD is one of 397 specialist records with a practice address in Connecticut. 25% 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, 86% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 15% of these records are
- Record last updated2007 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 specialist records list a practice address in Fairfield
They are 15 of the 1,446 NPPES records with a practice address in Fairfield, and 397 specialist records in Connecticut.
All 397 in Connecticut → Every provider in Fairfield → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Donna Alves, LCCC, LPCFairfield, CT 068241932594777
- Emil Blanco, MDFairfield, CT 068241134111040
- Nicole CallowayFairfield, CT 068241710262209
- Eddy CastilloFairfield, CT 068241225020134
- Gena Cobrin, MDFairfield, CT 068241205828126
- Edward Grossman, MDFairfield, CT 068241629060827
- Maria Horga, M.DFairfield, CT 068241154463404
- Christopher Mastino, M.D.Fairfield, CT 068241740230358
Common questions
What is Richard N. Lopatin, MD's NPI number?
Richard N. Lopatin, MD's National Provider Identifier (NPI) is 1598757403, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard N. Lopatin, MD located?
The NPPES record lists a practice address at 425 Post RD, Fairfield, CT, 06824. Phone: (203) 292-9000. Providers update this record themselves, so call before visiting.
How can I verify Richard N. Lopatin, MD's license?
NPPES lists Connecticut license number 020583, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Richard N. Lopatin, MD prescribe under Medicare Part D?
In 2024, Richard N. Lopatin, MD had 34 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.