Pratistha Koirala, MD PHD
Obstetrics & Gynecology Physician · Norwalk, CT
Pratistha Koirala, MD PHD is an obstetrics & gynecology physician with a practice address in Norwalk, Connecticut, and NPI 1457855140, issued on Mar 19, 2018. Check the license (Connecticut 1.072436, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Pratistha Koirala
- Credential
- MD PHD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 1.072436 CT
Self-reported in NPPES; status is on the state search - Practice location
- 120 Connecticut Ave, Norwalk, CT 06854
- Phone
- (203) 851-1000
- Enumerated
- Mar 19, 2018
- Record last updated
- Sep 12, 2022
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 120 Connecticut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ann AustinClinical Social Worker1780058891
- Radha Biswas, M.D.Pediatrics Physician1396938478
- Aracely CentenoClinical Social Worker1285369256
- Avalon Fennessey, CPNP-PCPediatric Nurse Practitioner1487083978
- Lauren FischerClinical Social Worker1356975247
- Michael FotiInternal Medicine Physician1871053330
Verify Pratistha Koirala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 1.072436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
80 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 15 claims were for opioids.
Most prescribed
- Exemestane11 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: $323.53
6 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Pratistha Koirala among 707 obstetrics & gynecology physician records in Connecticut
Pratistha Koirala, MD PHD is one of 707 obstetrics & gynecology 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 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Connecticut
There are 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in Norwalk → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mary Lucia, MDNorwalk, CT 068541285645556
- Wolfgang Steinmann, MDNorwalk, CT 068541154391878
- Vasundara Tummala, M.D.Norwalk, CT 068541659604528
- Thomas Ayoub, MDNorwalk, CT 068511700990652
- Deanna Delprete, DONorwalk, CT 068511902910821
- Clifford Feller, MDNorwalk, CT 068511174581706
- Maryam Hedayatzadeh, M.D.Norwalk, CT 068511700013182
- Mark Leondires, MDNorwalk, CT 068511063437275
Common questions
What is Pratistha Koirala, MD PHD's NPI number?
Pratistha Koirala, MD PHD's National Provider Identifier (NPI) is 1457855140, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Pratistha Koirala, MD PHD located?
The NPPES record lists a practice address at 120 Connecticut Ave, Norwalk, CT, 06854. Phone: (203) 851-1000. Providers update this record themselves, so call before visiting.
How can I verify Pratistha Koirala, MD PHD's license?
NPPES lists Connecticut license number 1.072436, 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 Pratistha Koirala, MD PHD prescribe under Medicare Part D?
In 2024, Pratistha Koirala, MD PHD had 80 Medicare Part D claims for 25 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.