DR. TASNIM A NAJAF MD
NPI 1164428389
Pediatrics - Neonatal-Perinatal Medicine in Saint Louis, MO

Q: What is Tasnim Najaf's NPI number?

The NPI number for Tasnim Najaf is 1164428389. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Q: What is Tasnim Najaf's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Tasnim Najaf was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.

Active since June 22, 2005PECOS Enrolled

1 CHILDRENS PL, DIV PED NEWBORN MEDICINE, SAINT LOUIS, MO 63110(314) 454-2683(314) 454-4633 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Aug 30, 2023 and 4 more (7 updates tracked since 2016).

On this page

About Dr. Tasnim A Najaf Md NPPES

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

DR. TASNIM A NAJAF MD (NPI 1164428389) is an individual neonatal-perinatal medicine provider in Saint Louis, Missouri, licensed in Missouri (111137) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164428389

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameDR. TASNIM A NAJAFCredential: MD

Location Address1 CHILDRENS PL, DIV PED NEWBORN MEDICINESaint Louis, MO 63110-1002

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-2683 · Fax (314) 454-4633

Phone(314) 454-2683

Fax(314) 454-4633

Sole ProprietorNo

Enumeration DateJune 22, 2005

Last NPPES UpdateApril 17, 20257 updates tracked since enumeration

✔ NPI 1164428389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in MO · 111137

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License 111137 (MO)

1 CHILDRENS PL, Saint Louis, MO 63110

Open in Google Maps ↗

Other Identifiers 1

Medicaid203923727MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tasnim A Najaf Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Tasnim Najaf reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University

Same address

Multi-Specialty

1 CHILDRENS PL
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
628 clinicians in this Medicare group

NPI 1194765685 (314) 286-1264

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

ARIE BAKER MSW, LCSW

Social Worker (Clinical)

1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110

St. Louis City (314) 747-6169

SUSAN CHEUNG WALSH AUD

Audiologist-Hearing Aid Fitter

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-4649

MS. JENNIFER MARIE JACOBI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3577

MS. EMILY LINCOLN RN, NNP-BC

Nurse Practitioner (Neonatal, Critical Care)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6000

MS. MARISSA ROSE PEREZ-MAGNELLI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6120

MRS. BRIANNA LYNN RICHTER NNP-BC

Nurse Practitioner (Neonatal)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6000

DR. WILLIAM L RIVES MD

Hospitalist

1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2076

DR. PETER M KILBRIDGE MD

Pediatrics

1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2479

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 Tasnim Najaf's NPI number?

The NPI number for Tasnim Najaf is 1164428389. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is Tasnim Najaf located?

Tasnim Najaf practices at 1 Childrens Pl Div Ped Newborn Medicine, Saint Louis, MO 63110. The listed phone number is (314) 454-2683.

What is Tasnim Najaf's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Tasnim Najaf enrolled in Medicare?

Yes. Tasnim Najaf is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tasnim Najaf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tasnim Najaf reassigns Medicare benefits to Washington University (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tasnim Najaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tasnim Najaf accept?

Health plans from Cox HealthPlans list Tasnim Najaf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tasnim Najaf was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.