GRACE ELIZABETH HAMMER
NPI 1912891664
Nurse Practitioner - Family in La Porte, IN

Q: What is Grace Hammer's NPI number?

The NPI number for Grace Hammer is 1912891664. It was assigned to this individual provider in the NPPES registry on June 6, 2025.

Q: What is Grace Hammer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Grace Hammer was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 06, 2025PECOS 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: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 19, 2026, Oct 9, 2025, Jun 6, 2025 (3 updates tracked since 2025).

On this page

About Grace Elizabeth Hammer NPPES

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

GRACE ELIZABETH HAMMER (NPI 1912891664) is an individual family provider in La Porte, Indiana, licensed in Indiana (71016873A) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS, is affiliated with Northwest Health-la Porte, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1912891664

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameGRACE ELIZABETH HAMMER

Location Address900 I STLa Porte, IN 46350-5533

Mailing Address3245 Health Dr Ste 100Granger, IN 46530-1380

Phone(219) 324-1700

Fax(219) 324-1602

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateJune 6, 2025

Last NPPES UpdateMay 19, 20263 updates tracked since enumeration

NPPES CertifiedMay 19, 2026

✔ NPI 1912891664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in IN · 71016873A

Also ListedRegistered Nurse · Neonatal Intensive CareTaxonomy 163WN0002X · License 28264562A (IN)

900 I ST, La Porte, IN 46350

Open in Google Maps ↗

Other Identifiers 1

Medicaid300119930IN

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grace Elizabeth Hammer 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 ID9638671050

PECOS Enrollment IDI20250905000990

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.

Hospital Affiliations CMS Care Compare 2

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

Northwest Health-La Porte

Acute Care Hospitals · La Porte, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150006

Location1331 State StreetLa Porte, IN 46350 · La Porte County

Emergency services Birthing friendly

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.

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 Grace Hammer's NPI number?

The NPI number for Grace Hammer is 1912891664. It was assigned to this individual provider in the NPPES registry on June 6, 2025.

Where is Grace Hammer located?

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

What is Grace Hammer's specialty?

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

Is Grace Hammer enrolled in Medicare?

Yes. Grace Hammer 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.

What insurance does Grace Hammer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Grace Hammer 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 Grace Hammer affiliated with any hospitals?

According to CMS data, Grace Hammer is affiliated with Northwest Health-La Porte and Franciscan Health Michigan City.

When was this NPI record last updated?

The NPPES record for Grace Hammer was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.