MICHAEL JOHN ESSENMACHER DO
NPI 1457845075
Hospitalist in Grand Rapids, MI

Active since June 18, 2018PECOS EnrolledAccepts Medicare Assignment
200 JEFFERSON AVE SE, GRAND RAPIDS, MI 49503(616) 685-6919 Get Directions Write a Review

NPPES record last updated: April 22, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2022, Dec 17, 2021, Jan 24, 2019 and 1 more (4 updates tracked since 2018).

About Michael John Essenmacher Do NPPES

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

MICHAEL JOHN ESSENMACHER DO (NPI 1457845075) is an individual hospitalist provider in Grand Rapids, Michigan, licensed in Michigan (5151012747) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Michigan State University College Of Osteopathic Medicine (2018).

NPPES Registry Identity

NPI1457845075
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMICHAEL JOHN ESSENMACHERCredential: DO
Location Address200 JEFFERSON AVE SEGrand Rapids, MI 49503-4502
Mailing Address200 Jefferson Ave SeGrand Rapids, MI 49503-4502 · (616) 685-6919
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2018
Enumeration DateJune 18, 2018
Last NPPES UpdateApril 22, 20224 updates tracked since enumeration
NPPES CertifiedApril 22, 2022
NPI 1457845075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in MI · 5151012747
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 5101023957 (MI), 5151012747 (MI)
200 JEFFERSON AVE SE, Grand Rapids, MI 49503

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

Michael John Essenmacher 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 ID8921356262
PECOS Enrollment IDI20210712000110
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
177 services78 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.
106 services101 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
48 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
30 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230059
Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Trinity Health Muskegon Hospital

Acute Care Hospitals · Muskegon, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230066
Location1500 E Sherman BlvdMuskegon, MI 49441 · Muskegon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
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.

Physical Therapist
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Nurse Anesthetist, Certified Registered
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Emergency Medicine
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Pediatrics (Neonatal-Perinatal Medicine)
200 JEFFERSON AVE SE, NICU
GRAND RAPIDS, MI 49503
Durable Medical Equipment & Medical Supplies
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Occupational Therapist
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Nurse Practitioner (Family)
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503
Registered Nurse
200 JEFFERSON AVE SE
GRAND RAPIDS, MI 49503

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 Michael Essenmacher's NPI number?

The NPI number for Michael Essenmacher is 1457845075. It was assigned to this individual provider in the NPPES registry on June 18, 2018.

Where is Michael Essenmacher located?

Michael Essenmacher practices at 200 Jefferson Ave SE, Grand Rapids, MI 49503. The listed phone number is (616) 685-6919.

What is Michael Essenmacher's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Michael Essenmacher enrolled in Medicare?

Yes. Michael Essenmacher 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 Michael Essenmacher accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Priority Health list Michael Essenmacher 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 Michael Essenmacher affiliated with any hospitals?

According to CMS data, Michael Essenmacher is affiliated with Mercy Health Saint Mary's and Trinity Health Muskegon Hospital.

When was this NPI record last updated?

The NPPES record for Michael Essenmacher was last updated on April 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.