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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.

ANNA L HALBERSTADT NP
NPI 1821576059
Nurse Practitioner - Family in La Porte, IN

Active since July 31, 2018PECOS EnrolledAccepts Medicare Assignment
900 I ST, LA PORTE, IN 46350(219) 324-1700(219) 324-1602 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2026, Jun 25, 2024, Mar 30, 2021 and 2 more (5 updates tracked since 2018).

About Anna L Halberstadt Np NPPES

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

ANNA L HALBERSTADT NP (NPI 1821576059) is an individual family provider in La Porte, Indiana, licensed in Indiana (71008280A) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1821576059
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANNA L HALBERSTADTCredential: NP
Location Address900 I STLa Porte, IN 46350-5533
Mailing Address808 E Sportsman LnLa Porte, IN 46350-7729 · (219) 210-1761
Phone(219) 324-1700
Fax(219) 324-1602
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 31, 2018
Last NPPES UpdateOctober 2, 20265 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1821576059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IN · 71008280A
900 I ST, La Porte, IN 46350
Open in Google Maps ↗

Other Names 1

Former Name (1)Anna L Commiskey

Other Identifiers 1

Medicaid300018816IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.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

Anna L Halberstadt Np 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 ID2961753173
PECOS Enrollment IDI20180927002207
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 Anna Halberstadt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Franciscan Physician Network
29 mi
Urgent Care
1515 W DRAGOON TRL
Mishawaka, IN 46544
  • Reassigned Medicare billing, Indiana enrollment
  • 1,396 clinicians in this Medicare group
NPI 1366879009 (574) 254-6253

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
131 services100 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
93 services68 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
71 services63 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
57 services57 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
13 services13 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46350 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
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers20 claims53 services$5.61 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers16 claims16 services$85.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MEMORIAL HEALTH SYSTEM, INC.
Physical Therapist
900 I ST
LA PORTE, IN 46350
Laporte County (219) 324-1700
LINK PSYCHOLOGICAL & CONSULTING SERVICE, P.C.
Counselor (Mental Health)
900 I ST
LA PORTE, IN 46350
Laporte County (219) 324-1700
JENNIFER ANN ALDERINK DO
Family Medicine
900 I ST
LA PORTE, IN 46350
Laporte County (219) 324-1700
DR. FREEMAN L. FARROW MD
Family Medicine
900 I ST
LA PORTE, IN 46350
Laporte County (219) 324-1700
DR. DIANE MARGARET RICH PT, DPT
Physical Therapist
900 I ST, STE 100
LA PORTE, IN 46350
Laporte County (219) 324-1730
DR. MICHAEL DUANE HOWARD M.D.
Family Medicine
900 I ST
LAPORTE, IN 46350
Laporte County (219) 324-1700
CHRISTOPHER LAWTON FRENTZ PT
Physical Therapist
900 I ST
LAPORTE, IN 46350
Laporte County (219) 324-1950
LAPORTE MEDICAL GROUP SURGICAL CENTER, LLC
Clinic/Center (Ambulatory Surgical)
900 I ST, SUITE 1
LA PORTE, IN 46350
Laporte County (816) 877-2005

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 Anna Halberstadt's NPI number?

The NPI number for Anna Halberstadt is 1821576059. It was assigned to this individual provider in the NPPES registry on July 31, 2018. The provider is also known as Anna L Commiskey.

Where is Anna Halberstadt located?

Anna Halberstadt practices at 900 I St, La Porte, IN 46350. The listed phone number is (219) 324-1700.

What is Anna Halberstadt's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Anna Halberstadt enrolled in Medicare?

Yes. Anna Halberstadt 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 organization bills Medicare for Anna Halberstadt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Halberstadt reassigns Medicare benefits to Franciscan Physician Network (Mishawaka, IN). 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 Anna Halberstadt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna Halberstadt accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Anna Halberstadt 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.

Is Anna Halberstadt affiliated with any hospitals?

According to CMS data, Anna Halberstadt is affiliated with Franciscan Health Michigan City.

When was this NPI record last updated?

The NPPES record for Anna Halberstadt was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.