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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PRATISTHA KOIRALA MD PHD
NPI 1457855140
Obstetrics & Gynecology in Norwalk, CT

Active since March 19, 2018PECOS Enrolled
120 CONNECTICUT AVE, NORWALK, CT 06854(203) 851-1000 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Aug 28, 2026, Sep 12, 2022, Sep 1, 2022 and 1 more (4 updates tracked since 2018).

About Pratistha Koirala Md Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PRATISTHA KOIRALA MD PHD (NPI 1457855140) is an individual obstetrics & gynecology provider in Norwalk, Connecticut, licensed in Illinois (036181505) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Maywood.

NPPES Registry Identity

NPI1457855140
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NamePRATISTHA KOIRALACredential: MD PHD
Location Address120 CONNECTICUT AVENorwalk, CT 06854-1525
Mailing Address120 Connecticut AveNorwalk, CT 06854-1525 · (203) 851-1000
Phone(203) 851-1000
Sole ProprietorNo
Enumeration DateMarch 19, 2018
Last NPPES UpdateAugust 28, 20264 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
✔ NPI 1457855140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IL · 036181505✔ Licensed in CT · 1.072436
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
120 CONNECTICUT AVE, Norwalk, CT 06854
Open in Google Maps ↗

Secondary Practice Location 1

Location 12160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pratistha Koirala Md Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VITTORIA GASSMAN MD
Internal Medicine
120 CONNECTICUT AVE, NORWALK COMMUNITY HEALTH CENTER
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
DR. SARAH SIEGEL M.D.
Pediatrics
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
SWC CORPORATION
Pharmacy (Community/Retail Pharmacy)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-0708
KANDREE HICKS APRN
Nurse Practitioner (Family)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
MS. REBECCA KAPLAN FNP-BC
Nurse Practitioner (Family)
120 CONNECTICUT AVE, NORWALK COMMUNITY HEALTH CENTER
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
ARACELY CENTENO
Social Worker (Clinical)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
DR. MARY LUCIA MD
Obstetrics & Gynecology
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770
MS. CINDY RAMDHANIE LPC, LADC
Counselor (Professional)
120 CONNECTICUT AVE
NORWALK, CT 06854
Western Connecticut Planning Region (203) 899-1770

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Pratistha Koirala's NPI number?

The NPI number for Pratistha Koirala is 1457855140. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Where is Pratistha Koirala located?

Pratistha Koirala practices at 120 Connecticut Ave, Norwalk, CT 06854. The listed phone number is (203) 851-1000.

What is Pratistha Koirala's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Pratistha Koirala enrolled in Medicare?

Yes. Pratistha Koirala is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Pratistha Koirala was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.