AARON R ZARNOSKY PA
NPI 1811915721
Physician Assistant in Grand Rapids, MI

Active since July 18, 2006PECOS EnrolledAccepts Medicare Assignment
5800 FOREMOST DR SE STE 200, GRAND RAPIDS, MI 49546(616) 389-1800(616) 389-1839 Get Directions Write a Review

NPPES record last updated: January 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 17, 2023, Dec 8, 2017, Oct 17, 2017 and 1 more (4 updates tracked since 2017).

About Aaron R Zarnosky Pa NPPES

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

AARON R ZARNOSKY PA (NPI 1811915721) is an individual physician assistant in Grand Rapids, Michigan, licensed in Michigan (5601003845) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811915721
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameAARON R ZARNOSKYCredential: PA
Location Address5800 FOREMOST DR SE STE 200Grand Rapids, MI 49546-7062
Mailing Address5800 Foremost Dr Se Ste 300Grand Rapids, MI 49546-7062 · (616) 389-1725 · Fax (616) 252-0260
Fax(616) 389-1839
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJuly 18, 2006
Last NPPES UpdateJanuary 17, 20234 updates tracked since enumeration
NPPES CertifiedJanuary 17, 2023
NPI 1811915721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MI · 5601003845
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
5800 FOREMOST DR SE STE 200, Grand Rapids, MI 49546

Secondary Practice Locations 2

Location 15950 Metro Way SWWyoming, MI 49519-9514 · Phone (616) 252-8100 · Fax (616) 252-8181
Location 2145 Michigan St NE Ste 3100Grand Rapids, MI 49503-2563 · Phone (616) 954-9800 · Fax (616) 954-1724

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

Aaron R Zarnosky Pa 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 ID345460002
PECOS Enrollment IDI20140930002189
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 22

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.

Injection, ferric derisomaltose, 10 mg J1437
Ferric derisomaltose is an iron replacement product. It's given as an injection to treat iron deficiency anemia, a condition where the body lacks enough iron. The injection helps increase iron in your body to healthy levels.
1,100 services11 patients
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.
177 services84 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
167 services83 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
106 services75 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.
98 services68 patients
Ferritin (blood protein) level 82728
A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.
87 services56 patients

Hospital Affiliations CMS Care Compare 5

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

Spectrum Health United Hospital

Acute Care Hospitals · Greenville, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230035
Location615 S Bower StreetGreenville, MI 48838 · Montcalm County
Birthing friendly

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

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

Holland Community Hospital

Acute Care Hospitals · Holland, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230072
Location602 Michigan AveHolland, MI 49423 · Ottawa County
Emergency services Birthing friendly

University Of Michigan Health - West

Acute Care Hospitals · Wyoming, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230236
Location5900 Byron Center Avenue, SWWyoming, MI 49519 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 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
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Nurse Practitioner (Gerontology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Internal Medicine (Hematology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Nurse Practitioner (Family)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Internal Medicine (Hematology & Oncology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Physician Assistant (Medical)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Internal Medicine (Hematology & Oncology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546
Internal Medicine (Hematology)
5800 FOREMOST DR SE STE 200
GRAND RAPIDS, MI 49546

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 Aaron Zarnosky's NPI number?

The NPI number for Aaron Zarnosky is 1811915721. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Aaron Zarnosky located?

Aaron Zarnosky practices at 5800 Foremost Dr SE Ste 200, Grand Rapids, MI 49546. The listed phone number is (616) 389-1800.

What is Aaron Zarnosky's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Aaron Zarnosky enrolled in Medicare?

Yes. Aaron Zarnosky 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 Aaron Zarnosky accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 4 other insurers list Aaron Zarnosky 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 Aaron Zarnosky affiliated with any hospitals?

According to CMS data, Aaron Zarnosky is affiliated with Spectrum Health United Hospital, Spectrum Health, Mercy Health Saint Mary's, Holland Community Hospital and University Of Michigan Health - West.

When was this NPI record last updated?

The NPPES record for Aaron Zarnosky was last updated on January 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.