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DR. CHRISTIAN WILLIAM ERTL MD
NPI 1881691178
Surgery in Kalamazoo, MI

Active since July 01, 2005PECOS EnrolledAccepts Medicare Assignment
1000 OAKLAND DR, KALAMAZOO, MI 49008(269) 337-6260(269) 337-6530 Get Directions Write a Review

NPPES record last updated: February 15, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Christian William Ertl Md NPPES

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

DR. CHRISTIAN WILLIAM ERTL MD (NPI 1881691178) is an individual surgery provider in Kalamazoo, Michigan, licensed in Michigan (4301093343) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Of South Bend, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1992).

NPPES Registry Identity

NPI1881691178
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. CHRISTIAN WILLIAM ERTLCredential: MD
Location Address1000 OAKLAND DRKalamazoo, MI 49008-1282
Mailing Address1000 Oakland DrKalamazoo, MI 49008-1282 · (269) 337-6260 · Fax (269) 337-6441
Phone(269) 337-6260
Fax(269) 337-6530
Sole ProprietorNo
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1992
Enumeration DateJuly 1, 2005
Last NPPES UpdateFebruary 15, 2012
✔ NPI 1881691178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MI · 4301093343
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1000 OAKLAND DR, Kalamazoo, MI 49008
Open in Google Maps ↗

Other Identifiers 15

Other2386462Aetna
Medicaid1881691178MI
OtherP984485Oxford
Medicare PINC97618306 - BRONSONMI
Medicare UPING79933
Other061596829Cigna Health Plan
Other1417961137MI · Bcbsm - Bronson
Other020001475Medicare
Other0V7800Healthnet
Other00136846501Blue Care Family Plan
Other03684601Connecticare
Other149696Preferred One Husky
Other010036846CT01Bc/bs
Medicare PINM97250024MI
Other1740406United Healthcare

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 and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christian William Ertl Md 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 ID8224197447
PECOS Enrollment IDI20081103000653, I20210422002545
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Christian Ertl reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bronson Methodist Hospital
1.0 mi
Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group
NPI 1417961137 (269) 341-7654
Beacon Medical Group Michigan Inc
2.6 mi
Obstetrics & Gynecology
1535 GULL RD STE 250
Kalamazoo, MI 49048
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Medical Group Promed
  • 465 clinicians in this Medicare group
NPI 1437201811 (269) 226-5927
Ascension Borgess Allegan Hospital
12 mi
Rural Health
900 DIX ST
Otsego, MI 49078
  • Reassigned Medicare billing, Michigan enrollment
  • Also billed through NPI 1295803377 (Michigan)
  • 41 clinicians in this Medicare group
NPI 1750868493 (269) 694-9640

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
51 services35 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.
25 services25 patients
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.
17 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Hospital Of South Bend

Acute Care Hospitals · South Bend, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150058
Location615 N Michigan StSouth Bend, IN 46601 · St. Joseph 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49008 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 20

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

ANDREW MATTINGLY MD
Student in an Organized Health Care Education/Training Program
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4600
SAJA ABDELHADI
Student in an Organized Health Care Education/Training Program
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4600
SARAH ANNE ECENBARGER WARREN MD
Student in an Organized Health Care Education/Training Program
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4600
DR. MICHELLE TERESA WICIAK MD
Student in an Organized Health Care Education/Training Program
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4600
MARTIN B DRAZNIN M.D.
Pediatrics (Pediatric Endocrinology)
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-6430
ABIGAIL MUNRO BOND DO
Emergency Medicine
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-6600
ALEX JOHN VANWOERKOM DO
Emergency Medicine
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4600
DR. KELLY ANN MING MD
Student in an Organized Health Care Education/Training Program
1000 OAKLAND DR
KALAMAZOO, MI 49008
Kalamazoo County (269) 337-4400

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 Christian Ertl's NPI number?

The NPI number for Christian Ertl is 1881691178. It was assigned to this individual provider in the NPPES registry on July 1, 2005.

Where is Christian Ertl located?

Christian Ertl practices at 1000 Oakland Dr, Kalamazoo, MI 49008. The listed phone number is (269) 337-6260.

What is Christian Ertl's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Christian Ertl enrolled in Medicare?

Yes. Christian Ertl 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.

Which organizations bill Medicare for Christian Ertl's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christian Ertl reassigns Medicare benefits to 3 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Beacon Medical Group Michigan Inc (Kalamazoo, MI) and Ascension Borgess Allegan Hospital (Otsego, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christian Ertl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christian Ertl 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 1 other insurer list Christian Ertl 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 Christian Ertl affiliated with any hospitals?

According to CMS data, Christian Ertl is affiliated with Memorial Hospital Of South Bend and Borgess Medical Center.

When was this NPI record last updated?

The NPPES record for Christian Ertl was last updated on February 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.