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CHRISTOPHER FOSTER HANZAKER MD
NPI 1376983205
Internal Medicine in Kalamazoo, MI

Active since June 25, 2013PECOS EnrolledAccepts Medicare Assignment
601 JOHN ST STE M-170A, KALAMAZOO, MI 49007(269) 381-5060 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 12, 2020, Jun 17, 2019, Mar 11, 2019 and 1 more (4 updates tracked since 2016).

About Christopher Foster Hanzaker Md NPPES

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

CHRISTOPHER FOSTER HANZAKER MD (NPI 1376983205) is an individual internal medicine provider in Kalamazoo, Michigan, licensed in Michigan (4301116899) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1376983205
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTOPHER FOSTER HANZAKERCredential: MD
Location Address601 JOHN ST STE M-170AKalamazoo, MI 49007
Mailing Address601 John St Ste M-170aKalamazoo, MI 49007-5366 · (269) 381-5060
Phone(269) 381-5060
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2013
Enumeration DateJune 25, 2013
Last NPPES UpdateNovember 27, 20234 updates tracked since enumeration
NPPES CertifiedOctober 12, 2020
✔ NPI 1376983205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301116899
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 4301116899 (MI)
601 JOHN ST STE M-170A, Kalamazoo, MI 49007
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Secondary Practice Locations 2

Location 11000 Oakland DrKalamazoo, MI 49008-1282 · Phone (269) 337-6300
Location 25629 Stadium DrKalamazoo, MI 49009-1952 · Phone (269) 544-3270

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority 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

Christopher Foster Hanzaker 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 ID8426299215
PECOS Enrollment IDI20190701001020
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

4

Medicare enrollment records show Christopher Hanzaker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bronson Methodist Hospital
Same address
Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group
NPI 1417961137 (269) 341-7654
Bronson Lakeview Hospital
18 mi
Internal Medicine
451 HEALTH PKWY
Paw Paw, MI 49079
  • Reassigned Medicare billing, Michigan enrollment
  • 251 clinicians in this Medicare group
NPI 1235131137 (269) 657-2550
Bronson Battle Creek Hospital
21 mi
Internal Medicine
300 NORTH AVE
Battle Creek, MI 49017
  • Reassigned Medicare billing, Michigan enrollment
  • 557 clinicians in this Medicare group
NPI 1093119638 (269) 245-8000
Bronson South Haven Hospital
36 mi
Family Medicine
950 S BAILEY AVE
South Haven, MI 49090
  • Reassigned Medicare billing, Michigan enrollment
  • 190 clinicians in this Medicare group
NPI 1174749170 (269) 637-5271

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 7

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.
492 services241 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.
171 services171 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.
51 services37 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.
31 services29 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.
22 services21 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Bronson Battle Creek Hospital

Acute Care Hospitals · Battle Creek, MI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number230075
Location300 North AvenueBattle Creek, MI 49017 · Calhoun County
Emergency services Birthing friendly

Bronson South Haven Hospital

Acute Care Hospitals · South Haven, MI
OwnershipGovernment - Hospital District or Authority
CMS Certification Number230085
Location955 S Bailey AveSouth Haven, MI 49090 · Van Buren County
Emergency services

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 49007 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers30 claims103 services$5.33 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers17 claims31 services$0.94 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers19 claims19 services$6.39 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 Christopher Hanzaker's NPI number?

The NPI number for Christopher Hanzaker is 1376983205. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Christopher Hanzaker located?

Christopher Hanzaker practices at 601 John St Ste M-170a, Kalamazoo, MI 49007. The listed phone number is (269) 381-5060.

What is Christopher Hanzaker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christopher Hanzaker enrolled in Medicare?

Yes. Christopher Hanzaker 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 Christopher Hanzaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hanzaker reassigns Medicare benefits to 4 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Bronson Lakeview Hospital (Paw Paw, MI), Bronson Battle Creek Hospital (Battle Creek, MI) and Bronson South Haven Hospital (South Haven, 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 Christopher Hanzaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Hanzaker accept?

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

According to CMS data, Christopher Hanzaker is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital, Bronson South Haven Hospital, Borgess Medical Center and Bronson Lakeview Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Hanzaker 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.