NPPES file of Aug 9, 2026

Tulin Koparan, MD

Internal Medicine Physician · Stamford, CT

Tulin Koparan, MD is an internal medicine physician with a practice address in Stamford, Connecticut, and NPI 1710045703, issued on Dec 4, 2006. Check the license (Connecticut 031627, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710045703
Name
Tulin Koparan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
031627 CT
Self-reported in NPPES; status is on the state search
Practice location
1275 Summer St, Stamford, CT 06905
Phone
(203) 975-7522
Enumerated
Dec 4, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(203) 975-5233
Medicare enrollment
Enrolled (PECOS I20131115000462); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1275 Summer St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maura Angiello-Smith, MDPediatrics Physician1447325535
  2. James Bivona, M.D.Internal Medicine Physician1063571560
  3. Uday Desai, M.D.Internal Medicine Physician1124122148
  4. Jon Durica, MDPediatrics Physician1205901378
  5. Robin Fischel, M.S., CCC-SLPSpeech-Language Pathologist1619404449
  6. Kathryn Georgiadis, MDPediatrics Physician1841750809

Verify Tulin Koparan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 031627
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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42% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,836 Medicare Part D claims for 196 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Tulin Koparan1,836
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium163 claims
  2. Amlodipine Besylate135 claims
  3. Levothyroxine Sodium120 claims
  4. Alprazolam95 claims
  5. Atorvastatin Calcium78 claims
  6. Prednisone58 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: $2,463.53

39 payments; by number, the most common kind was food and beverage; the largest payer was Lumenis BE inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tulin Koparan$2,463.53
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tulin Koparan among 2,623 internal medicine physician records in Connecticut

Tulin Koparan, MD 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 fileYes · 63% of these records are
  • Graduated1987 · median 2004 among the 1,646 with a school on file
  • Record last updated2007 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Uday Desai, M.D.Stamford, CT 069051124122148
  2. Vernetta Gallop, MDStamford, CT 069051811981202
  3. Erica Goldberger, M.D.Stamford, CT 069051053419648
  4. Terrance Hanlon, MDStamford, CT 069051922052695
  5. Antonios Katsigiannis, M.D.Stamford, CT 069051629157276
  6. Santi Neuberger, M.D.Stamford, CT 069051013024736
  7. David Radin, MDStamford, CT 069051225076193
  8. Remi Rosenberg, MDStamford, CT 069051932204203

Common questions

What is Tulin Koparan, MD's NPI number?

Tulin Koparan, MD's National Provider Identifier (NPI) is 1710045703, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tulin Koparan, MD located?

The NPPES record lists a practice address at 1275 Summer St, Stamford, CT, 06905. Phone: (203) 975-7522. Providers update this record themselves, so call before visiting.

How can I verify Tulin Koparan, MD's license?

NPPES lists Connecticut license number 031627, 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 Tulin Koparan, MD prescribe under Medicare Part D?

In 2024, Tulin Koparan, MD had 1,836 Medicare Part D claims for 196 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.