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

DR. JOHN WILLIAM WOLF M. D.
NPI 1851352306
Pediatrics - Neonatal-Perinatal Medicine in Milwaukee, WI

Q: What is John Wolf's NPI number?

The NPI number for John Wolf is 1851352306. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Q: What is John Wolf'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 Wolf was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.

Active since March 31, 2006

3070 N 51ST ST, SUITE 309, MILWAUKEE, WI 53210(414) 447-2674(414) 447-2884 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. John William Wolf M. D. NPPES

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

DR. JOHN WILLIAM WOLF M. D. (NPI 1851352306) is an individual neonatal-perinatal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (27856) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1851352306

Entity TypeIndividualMale

Primary Taxonomy2080N0001X

Provider Legal NameDR. JOHN WILLIAM WOLFCredential: M. D.

Location Address3070 N 51ST ST, SUITE 309Milwaukee, WI 53210-1645

Mailing Address3070 N 51st St, Suite 309Milwaukee, WI 53210-1645 · (414) 447-2674 · Fax (414) 447-2884

Phone(414) 447-2674

Fax(414) 447-2884

Sole ProprietorNo

Enumeration DateMarch 31, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1851352306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in WI · 27856

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.

3070 N 51ST ST, Milwaukee, WI 53210

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Other Identifiers 1

Medicaid30761600WI

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.

JOSEPH C. BATTISTA MD SC

Surgery

3070 N 51ST ST
MILWAUKEE, WI 53210

Milwaukee County (414) 871-9500

MICHAEL R. SWEEN PA

Physician Assistant (Medical)

3070 N 51ST ST, #406
MILWAUKEE, WI 53210

Milwaukee County (414) 447-5040

RICHARD A STELIGA MD SC

Surgery

3070 N 51ST ST, STE 405
MILWAUKEE, WI 53210

Milwaukee County (414) 871-8888

EMAD BOTROS, M.D., S.C.

Internal Medicine (Pulmonary Disease)

3070 N 51ST ST, SUITE 402
MILWAUKEE, WI 53210

Milwaukee County (414) 871-2673

DR. MARTA VIVIANA THAKKAR M.D.

Pediatrics (Neonatal-Perinatal Medicine)

3070 N 51ST ST, STE P309
MILWAUKEE, WI 53210

Milwaukee County (414) 447-2674

ADVANCED HEALTHCARE, S.C.

Durable Medical Equipment & Medical Supplies

3070 N 51ST ST
MILWAUKEE, WI 53210

Milwaukee County (414) 873-7768

THOMAS H MAHN MD

Internal Medicine (Interventional Cardiology)

3070 N 51ST ST, SUITE 106
MILWAUKEE, WI 53210

Milwaukee County (414) 442-9911

MARTA V THAKKAR, MD,SC

Pediatrics (Neonatal-Perinatal Medicine)

3070 N 51ST ST, P309
MILWAUKEE, WI 53210

Milwaukee County (414) 447-2764

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 Wolf's NPI number?

The NPI number for John Wolf is 1851352306. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is John Wolf located?

John Wolf practices at 3070 N 51st St Suite 309, Milwaukee, WI 53210. The listed phone number is (414) 447-2674.

What is John Wolf's specialty?

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

When was this NPI record last updated?

The NPPES record for John Wolf was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.