David Gerard Lastomirsky, M.D.
Internal Medicine Physician · Fairfield, CT
David Gerard Lastomirsky, M.D. is an internal medicine physician with a practice address in Fairfield, Connecticut, and NPI 1598707762, issued on Jun 12, 2006. Check the license (Connecticut 031968, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Gerard Lastomirsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 031968 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1261 Post RD, Fairfield, CT 06824
- Phone
- (203) 255-2340
- Enumerated
- Jun 12, 2006
- Record last updated
- Mar 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 255-0619
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 1261 Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Babala, LCSWClinical Social Worker1659793818
Verify David Gerard Lastomirsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 031968Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
21 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
David Gerard Lastomirsky among 2,623 internal medicine physician records in Connecticut
David Gerard Lastomirsky, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Fairfield
They are 36 of the 1,446 NPPES records with a practice address in Fairfield, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Fairfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fereshteh Ahmadian, M.D.Fairfield, CT 068241023055506
- Paul Bellofiore, MDFairfield, CT 068241316906456
- Kathleen Burlison, MDFairfield, CT 068241205862679
- Alla Chesky, MDFairfield, CT 068241194707463
- Peter Cimino, MDFairfield, CT 068241063473312
- Alma GarciaFairfield, CT 068241346281136
- Valerie I'Anson, M.D.Fairfield, CT 068241992779862
- Monica Jain, MDFairfield, CT 068241568423838
Common questions
What is David Gerard Lastomirsky, M.D.'s NPI number?
David Gerard Lastomirsky, M.D.'s National Provider Identifier (NPI) is 1598707762, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Gerard Lastomirsky, M.D. located?
The NPPES record lists a practice address at 1261 Post RD, Fairfield, CT, 06824. Phone: (203) 255-2340. Providers update this record themselves, so call before visiting.
How can I verify David Gerard Lastomirsky, M.D.'s license?
NPPES lists Connecticut license number 031968, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Gerard Lastomirsky, M.D. prescribe under Medicare Part D?
In 2024, David Gerard Lastomirsky, M.D. had 21 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.