DR. JOHN THOMAS WREN JR. MD, PHD
NPI 1962922724
Pediatrics - Neonatal-Perinatal Medicine in Iowa City, IA

Q: What is John Wren's NPI number?

The NPI number for John Wren is 1962922724. It was assigned to this individual provider in the NPPES registry on June 22, 2017.

Q: What is John Wren'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 John Wren was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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, 2017PECOS Enrolled

200 HAWKINS DR, IOWA CITY, IA 52242(319) 384-5258(319) 336-4685 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2025, Aug 22, 2024, Jun 26, 2020 and 2 more (5 updates tracked since 2017).

On this page

About Dr. John Thomas Wren Jr. Md, Phd NPPES

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

DR. JOHN THOMAS WREN JR. MD, PHD (NPI 1962922724) is an individual neonatal-perinatal medicine provider in Iowa City, Iowa, licensed in Iowa (MD-51263) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Iowa City.

NPPES Registry Identity

NPI1962922724

Entity TypeIndividualMale

Primary Taxonomy2080N0001X

Provider Legal NameDR. JOHN THOMAS WREN JR.Credential: MD, PHD

Location Address200 HAWKINS DRIowa City, IA 52242-1009

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-5258 · Fax (319) 336-4685

Phone(319) 384-5258

Fax(319) 336-4685

Sole ProprietorNo

Enumeration DateJune 22, 2017

Last NPPES UpdateNovember 20, 20255 updates tracked since enumeration

NPPES CertifiedNovember 20, 2025

✔ NPI 1962922724 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 IA · MD-51263

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 MD-51263 (IA), 2018035931 (MO)

200 HAWKINS DR, Iowa City, IA 52242

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Secondary Practice Location 1

Location 1500 E Market StIowa City, IA 52245-2633 · Phone (319) 339-3551 · Fax (319) 248-7945

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.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. John Thomas Wren Jr. 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.

Medicare Billing Reassignment

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

State University Of Iowa

Same address

Dentist

200 HAWKINS DRIVE, 51300 POMERANTZ FAMILY PAVILION
Iowa City, IA 52242

Reassigned Medicare billing, Iowa enrollment
2,190 clinicians in this Medicare group

NPI 1114905387 (319) 356-2743

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.

SANGIL LEE M.D.

Emergency Medicine

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2233

RAMI G. EL ABIAD M.D.

Internal Medicine (Gastroenterology)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-4901

GRERK SUTAMTEWAGUL MD

Internal Medicine (Hematology & Oncology)

200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242

Johnson County (319) 356-1616

DR. KALEB TANNER VEIT D.O.

Internal Medicine (Critical Care Medicine)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2320

OMAR JABER M.D

Chronic Disease Hospital

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 471-8958

JENNIFER MANCUSO MS, CGC

Genetic Counselor, MS

200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242

Johnson County (319) 384-7983

ASHLEY KAISER M.D.

Obstetrics & Gynecology

200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242

Johnson County (319) 356-2294

MRS. NANCY JANE MILLICE

Health Educator

200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

Johnson County (319) 356-3825

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 John Wren's NPI number?

The NPI number for John Wren is 1962922724. It was assigned to this individual provider in the NPPES registry on June 22, 2017.

Where is John Wren located?

John Wren practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-5258.

What is John Wren's specialty?

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

Is John Wren enrolled in Medicare?

Yes. John Wren is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Wren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Wren reassigns Medicare benefits to State University Of Iowa (Iowa City, IA). 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 John Wren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Wren accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 2 other insurers list John Wren 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 John Wren was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.