Tatiana Fleischman, M.D.
Internal Medicine Physician · Stamford, CT
Tatiana Fleischman, M.D. is an internal medicine physician with a practice address in Stamford, Connecticut, and NPI 1689995078, issued on Jun 19, 2010. Check the license (Connecticut 049183, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Tatiana Fleischman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 049183 CT
Self-reported in NPPES; status is on the state search - Practice location
- 47 Oak St, Stamford, CT 06905
- Phone
- (203) 275-6666
- Enumerated
- Jun 19, 2010
- Record last updated
- Dec 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tatiana Fleischman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 049183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
112 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone43 claims
- Estradiol (Twice Weekly)18 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.
Tatiana Fleischman among 2,623 internal medicine physician records in Connecticut
Tatiana Fleischman, 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 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).
131 internal medicine physician records list a practice address in Stamford
They are 131 of the 2,774 NPPES records with a practice address in Stamford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Stamford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Uday Desai, M.D.Stamford, CT 069051124122148
- Vernetta Gallop, MDStamford, CT 069051811981202
- Erica Goldberger, M.D.Stamford, CT 069051053419648
- Terrance Hanlon, MDStamford, CT 069051922052695
- Antonios Katsigiannis, M.D.Stamford, CT 069051629157276
- Tulin Koparan, MDStamford, CT 069051710045703
- Santi Neuberger, M.D.Stamford, CT 069051013024736
- David Radin, MDStamford, CT 069051225076193
Common questions
What is Tatiana Fleischman, M.D.'s NPI number?
Tatiana Fleischman, M.D.'s National Provider Identifier (NPI) is 1689995078, issued on Jun 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tatiana Fleischman, M.D. located?
The NPPES record lists a practice address at 47 Oak St, Stamford, CT, 06905. Phone: (203) 275-6666. Providers update this record themselves, so call before visiting.
How can I verify Tatiana Fleischman, M.D.'s license?
NPPES lists Connecticut license number 049183, 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 Tatiana Fleischman, M.D. prescribe under Medicare Part D?
In 2024, Tatiana Fleischman, M.D. had 112 Medicare Part D claims for 22 beneficiaries; 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.