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DR. CHRISTOPHER GUYER M.D.
NPI 1821299025
Emergency Medicine in Detroit, MI

Active since May 29, 2007PECOS Enrolled
6525 2ND AVE, DETROIT, MI 48202(313) 972-4076 Get Directions Write a Review

NPPES record last updated: June 16, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Christopher Guyer M.d. NPPES

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

DR. CHRISTOPHER GUYER M.D. (NPI 1821299025) is an individual emergency medicine provider in Detroit, Michigan, licensed in Michigan (4301087963) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821299025
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHRISTOPHER GUYERCredential: M.D.
Location Address6525 2ND AVEDetroit, MI 48202-3006
Mailing Address6525 2nd AveDetroit, MI 48202-3006 · (313) 972-4076
Phone(313) 972-4076
Sole ProprietorYes
Enumeration DateMay 29, 2007
Last NPPES UpdateJune 16, 2009
✔ NPI 1821299025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MI · 4301087963
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
6525 2ND AVE, Detroit, MI 48202
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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 (PECOS)

Dr. Christopher Guyer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Guyer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Henry Ford Health System
0.4 mi
Plastic Surgery
2799 W GRAND BLVD
Detroit, MI 48202
  • Reassigned Medicare billing, Michigan enrollment
  • 1,886 clinicians in this Medicare group
NPI 1528142858 (313) 916-2600
Sound Physicians Emergency Medicine Of Michigan, PLLC
62 mi
Emergency Medicine
5640 N ADRIAN HWY
Adrian, MI 49221
  • Reassigned Medicare billing, Michigan enrollment
  • 95 clinicians in this Medicare group
NPI 1568913473 (517) 577-0000
Beacon Kalamazoo Inc
127 mi
Hospitalist
1521 GULL RD
Kalamazoo, MI 49048
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Borgess Hospital
  • 247 clinicians in this Medicare group
NPI 1093749848 (269) 226-5166
Emergency Professionals Of Michigan PC
  • Reassigned Medicare billing, Michigan enrollment
  • 163 clinicians in this Medicare group
No phone listed

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
82 services80 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
38 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.
24 services24 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48202 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

JACOB HEIKKINEN
Specialist/Technologist (Athletic Trainer)
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-4172
DEREK CHAN PT
Physical Therapist (Orthopedic)
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-4140
PIYUSH MADANI
Physical Therapist
6525 2ND AVE
DETROIT, MI 48202
Wayne County (734) 837-4386
MR. RONALD BENBOW ACSM-CEP
Clinical Exercise Physiologist
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-1919
SHANNON CORNELL PTA
Physical Therapy Assistant
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-4060
MR. JULIAN AVELINO FELICIANO
Physical Medicine & Rehabilitation
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-4140
BROOKE RINGLER MA, CCC-SLP
Speech-Language Pathologist
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-4114
NICOLE L SCHREIBER ATC
Specialist/Technologist (Athletic Trainer)
6525 2ND AVE
DETROIT, MI 48202
Wayne County (313) 972-1687

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 Guyer's NPI number?

The NPI number for Christopher Guyer is 1821299025. It was assigned to this individual provider in the NPPES registry on May 29, 2007.

Where is Christopher Guyer located?

Christopher Guyer practices at 6525 2nd Ave, Detroit, MI 48202. The listed phone number is (313) 972-4076.

What is Christopher Guyer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Christopher Guyer enrolled in Medicare?

Yes. Christopher Guyer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christopher Guyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Guyer reassigns Medicare benefits to 4 organizations: Henry Ford Health System (Detroit, MI), Sound Physicians Emergency Medicine Of Michigan, PLLC (Adrian, MI), Beacon Kalamazoo Inc (Kalamazoo, MI) and Emergency Professionals Of Michigan PC (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 Guyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Guyer 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 Christopher Guyer 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.

When was this NPI record last updated?

The NPPES record for Christopher Guyer was last updated on June 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.