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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.

MARY ELIZABETH HALLBERG NULL MD
NPI 1255824280
Medical Genetics - Clinical Genetics (M.D.) in Omaha, NE

Active since June 13, 2018PECOS Enrolled
982185 NEBRASKA MEDICAL CTR, OMAHA, NE 68198(402) 559-4186 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 6, 2026, Jun 13, 2018 (2 updates tracked since 2018).

About Mary Elizabeth Hallberg Null Md NPPES

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

MARY ELIZABETH HALLBERG NULL MD (NPI 1255824280) is an individual clinical genetics (m.d.) provider in Omaha, Nebraska, licensed in Nebraska (33661) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255824280
Entity TypeIndividualFemale
Primary Taxonomy207SG0201X
Provider Legal NameMARY ELIZABETH HALLBERG NULLCredential: MD
Location Address982185 NEBRASKA MEDICAL CTROmaha, NE 68198-2185
Mailing Address982185 Nebraska Medical CtrOmaha, NE 68198-2185
Phone(402) 559-4186
Sole ProprietorNo
Enumeration DateJune 13, 2018
Last NPPES UpdateJune 29, 20262 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
✔ NPI 1255824280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License✔ Licensed in NE · 33661
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
982185 NEBRASKA MEDICAL CTR, Omaha, NE 68198
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Elizabeth Hallberg Null 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.

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.

ROSE ELIZABETH MCCOY MD
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
TRAVIS SCHREIER
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
TREVOR LOCKARD MD
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
BRYLEE MAE YIRKOVSKY DO
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
AYUSHI KAUL MD
Student in an Organized Health Care Education/Training Program
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
DR. TAMARA THEVARAJAH DO, MS
Student in an Organized Health Care Education/Training Program
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
TESSA PUNTENEY DO
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380
MRS. WHITNEY LYNN BOSSERT M.D.
Pediatrics
982185 NEBRASKA MEDICAL CTR
OMAHA, NE 68198
Douglas County (402) 559-5380

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 Mary Elizabeth Null's NPI number?

The NPI number for Mary Elizabeth Null is 1255824280. It was assigned to this individual provider in the NPPES registry on June 13, 2018.

Where is Mary Elizabeth Null located?

Mary Elizabeth Null practices at 982185 Nebraska Medical Ctr, Omaha, NE 68198. The listed phone number is (402) 559-4186.

What is Mary Elizabeth Null's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is Mary Elizabeth Null enrolled in Medicare?

Yes. Mary Elizabeth Null is registered in the Medicare PECOS enrollment system.

What insurance does Mary Elizabeth Null accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Blue Cross and Blue Shield of Nebraska and 2 other insurers list Mary Elizabeth Null 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 Mary Elizabeth Null was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.