LARISA DYER DO
NPI 1306209929
Emergency Medicine in Saint Joseph, MI

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment
1234 NAPIER AVE, LAKELAND HEALTH - GME, SAINT JOSEPH, MI 49085(269) 982-4941 Get Directions Write a Review

NPPES record last updated: February 7, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 7, 2024, Oct 25, 2019, Mar 31, 2016 (3 updates tracked since 2016).

About Larisa Dyer Do NPPES

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

LARISA DYER DO (NPI 1306209929) is an individual emergency medicine provider in Saint Joseph, Michigan, licensed in Michigan (5101024654) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1306209929
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLARISA DYERCredential: DO
Location Address1234 NAPIER AVE, LAKELAND HEALTH - GMESaint Joseph, MI 49085-2112
Mailing Address1234 Napier Ave, Lakeland Health - GmeSaint Joseph, MI 49085-2112 · (269) 982-4941
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 31, 2016
Last NPPES UpdateFebruary 7, 20243 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2024
NPI 1306209929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MI · 5101024654
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1234 NAPIER AVE, Saint Joseph, MI 49085

Other Names 1

Former Name (1)Larisa Grinvalds Do

Accepted 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

Larisa Dyer Do 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 ID6608169594
PECOS Enrollment IDI20191113000572
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.

Areas of Expertise CMS Part B claims 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
127 services118 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
64 services54 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
50 services50 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
30 services29 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Lakeland Hospital, St Joseph

Acute Care Hospitals · St Joseph, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230021
Location1234 Napier AvenueSt Joseph, MI 49085 · Berrien County
Emergency services Birthing friendly

Corewell Health Watervliet Hospital

Acute Care Hospitals · Watervliet, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number230078
Location400 Medical Park DrWatervliet, MI 49098 · Berrien County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49085 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Internal Medicine
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Pediatrics
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Occupational Therapist
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Pediatrics
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Radiology (Diagnostic Radiology)
1234 NAPIER AVE
ST JOSEPH, MI 49085
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Emergency Medicine
1234 NAPIER AVE, LAKELAND REGIONAL MEDICAL CENTER
SAINT JOSEPH, MI 49085

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 Larisa Dyer's NPI number?

The NPI number for Larisa Dyer is 1306209929. It was assigned to this individual provider in the NPPES registry on March 31, 2016. The provider is also known as Larisa Grinvalds Do.

Where is Larisa Dyer located?

Larisa Dyer practices at 1234 Napier Ave Lakeland Health - Gme, Saint Joseph, MI 49085. The listed phone number is (269) 982-4941.

What is Larisa Dyer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Larisa Dyer enrolled in Medicare?

Yes. Larisa Dyer 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 Larisa Dyer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Larisa Dyer 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 Larisa Dyer affiliated with any hospitals?

According to CMS data, Larisa Dyer is affiliated with Lakeland Hospital, St Joseph and Corewell Health Watervliet Hospital.

When was this NPI record last updated?

The NPPES record for Larisa Dyer was last updated on February 7, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.