GRETCHEN LEFFLER PAC
NPI 1255457677
Physician Assistant in Kalamazoo, MI

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment
5629 STADIUM DRIVE, SUITE D, KALAMAZOO, MI 49009(269) 372-5701(269) 372-5702 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 5, 2020, May 4, 2018 (2 updates tracked since 2018).

About Gretchen Leffler Pac NPPES

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

GRETCHEN LEFFLER PAC (NPI 1255457677) is an individual physician assistant in Kalamazoo, Michigan, licensed in Michigan (5601004107) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1255457677
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameGRETCHEN LEFFLERCredential: PAC
Location Address5629 STADIUM DRIVE, SUITE DKalamazoo, MI 49009-1952
Mailing Address5629 Stadium Dr, Suite DKalamazoo, MI 49009-1952 · (269) 372-5701 · Fax (269) 372-5702
Fax(269) 372-5702
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 21, 2007
Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration
NPPES CertifiedOctober 5, 2020
✔ NPI 1255457677 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 · 5601004107
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.
5629 STADIUM DRIVE, Kalamazoo, MI 49009

Other Names 1

Former Name (1)Gretchen Michalowski (leffler)

Other Identifiers 2

Other700C910950MI · Bcbsm
Medicaid1255457677MI

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

Gretchen Leffler Pac 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 ID5799879995
PECOS Enrollment IDI20070919000383
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 3

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.

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.
135 services65 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.
25 services25 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Borgess Medical Center

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230117
Location1521 Gull RoadKalamazoo, MI 49048 · Kalamazoo County
Emergency services Birthing friendly

Bronson Lakeview Hospital

Critical Access Hospitals · Paw Paw, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231332
Location408 Hazen StreetPaw Paw, MI 49079 · Van Buren County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49009 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.

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier13 claims14 services$19.08 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
4 suppliers26 claims27 services$93.65 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Gretchen Leffler's NPI number?

The NPI number for Gretchen Leffler is 1255457677. It was assigned to this individual provider in the NPPES registry on March 21, 2007. The provider is also known as Gretchen Michalowski (leffler).

Where is Gretchen Leffler located?

Gretchen Leffler practices at 5629 Stadium Drive Suite D, Kalamazoo, MI 49009. The listed phone number is (269) 372-5701.

What is Gretchen Leffler's specialty?

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

Is Gretchen Leffler enrolled in Medicare?

Yes. Gretchen Leffler 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 Gretchen Leffler accept?

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

According to CMS data, Gretchen Leffler is affiliated with Bronson Methodist Hospital, Borgess Medical Center and Bronson Lakeview Hospital.

When was this NPI record last updated?

The NPPES record for Gretchen Leffler was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.