MARGARET LONG APNP
NPI 1295265403
Nurse Practitioner - Neonatal in Milwaukee, WI

Active since June 20, 2017PECOS EnrolledAccepts Medicare Assignment
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-6600(414) 805-6622 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2025, May 23, 2025, May 5, 2023 and 4 more (7 updates tracked since 2017).

About Margaret Long Apnp NPPES

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

MARGARET LONG APNP (NPI 1295265403) is an individual neonatal provider in Milwaukee, Wisconsin, licensed in Wisconsin (18237-033) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of University Of Cincinnati College Of Medicine (2017).

NPPES Registry Identity

NPI1295265403
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameMARGARET LONGCredential: APNP
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-6600 · Fax (414) 805-6622
Fax(414) 805-6622
Sole ProprietorNo
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2017
Enumeration DateJune 20, 2017
Last NPPES UpdateJune 25, 20267 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1295265403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
Licenses✔ Licensed in WI · 18237-033✔ Licensed in NY · F350549-01✔ Licensed in WA · AP61196532✔ Licensed in MI · 4704401731
Also ListedRegistered NurseTaxonomy 163W00000X · License RN.343778 (OH)
Also ListedRegistered Nurse · Neonatal Intensive CareTaxonomy 163WN0002X · License RN61196467 (WA)
Also ListedNurse PractitionerTaxonomy 363L00000X · License SP032658 (PA), APRN.CNP.021705 (OH), 4704401731 (MI)
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Secondary Practice Locations 5

Location 11290 Autumnview DrBatavia, OH 45103-2876 · Phone (513) 312-3441
Location 21500 E Medical Center DrAnn Arbor, MI 48109-5000 · Phone (734) 936-4000
Location 3301 Prospect AveSyracuse, NY 13203-1807 · Phone (315) 448-5111
Location 4500 University DrHershey, PA 17033-2360 · Phone (717) 531-8941 · Fax (717) 531-1533
Location 53601 W 13 Mile RdRoyal Oak, MI 48073-6712 · Phone (248) 898-5000

Other Identifiers 1

Medicaid1295265403WI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Long Apnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981970696
PECOS Enrollment IDI20250930000204, I20260604002267
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 Reassignments

2

Medicare enrollment records show Margaret Long reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Hospitalist
3601 W 13 MILE RD
Royal Oak, MI 48073
  • Reassigned Medicare billing, Michigan enrollment
  • 946 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

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 Margaret Long's NPI number?

The NPI number for Margaret Long is 1295265403. It was assigned to this individual provider in the NPPES registry on June 20, 2017.

Where is Margaret Long located?

Margaret Long practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-6600.

What is Margaret Long's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

Is Margaret Long enrolled in Medicare?

Yes. Margaret Long is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Margaret Long's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Long reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Beaumont Medical Group Hospital -Based Services (Royal Oak, MI). Each 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 Margaret Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Long accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Priority Health list Margaret Long 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 Margaret Long was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.