Doctor profile · Federal record
Dr. Christopher Chambers, MD, PHD
Vascular Surgery Physician (CMS: Vascular Surgery) · Vascular Surgery Physician · Grand Rapids, MI
- NPI 1184831869
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
275 Michigan St Ne
Grand Rapids, MI 495032531
(616) 267-8700
fax (616) 267-8247 - Additional location
-
4600 Memorial Dr Ste 120
Belleville, IL 622265359
(618) 222-1020 - Mailing address
-
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- September 22, 2025
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2086S0129X — NUCC code
- State licenses (2)
- Michigan #4301091284 · Illinois #036158917
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184831869. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
498
Distinct HCPCS
10
Medicare allowed
$54,968
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93922 |
Ultrasound study of arm and leg arteries | 116 | 107 | $71 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 70 | $85 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 57 | 56 | $176 | |
93978 |
Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 38 | 37 | $160 | |
93923 |
Complete ultrasound study of arm and leg arteries | 31 | 31 | $117 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 29 | 29 | $109 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 22 | $124 | |
93975 |
Complete ultrasound of abdomen and pelvis artery and vein blood flow | 20 | 19 | $251 | |
93922 |
Ultrasound study of arm and leg arteries | 15 | 15 | $12 | |
93926 |
Ultrasound of one leg arteries or artery grafts | 15 | 12 | $113 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 33. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$328
Transactions
9
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kerecis Limited | 1 | $95.91 | |
| Cook Medical LLC | 2 | $71.04 | |
| Ethicon US, LLC | 2 | $56.28 | |
| Endologix LLC | 1 | $41.88 | |
| Abbott Laboratories | 1 | $31.95 | |
| W. L. Gore & Associates, Inc. | 1 | $16.01 | |
| Teleflex LLC | 1 | $15.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
133
Patients
30
Total drug cost
$43,132
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 77 | 30 | $1,154 |
| Eliquis (Apixaban) | Brand | 30 | 0 | $32,513 |
| Cilostazol | Generic | 13 | 0 | $564 |
| Xarelto (Rivaroxaban) | Brand | 13 | 0 | $8,901 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Chambers's medical specialty?
Dr. Christopher Chambers practices Vascular Surgery Physician in Grand Rapids, MI.
Where does Dr. Christopher Chambers practice?
Dr. Christopher Chambers practices at 275 Michigan St Ne, Grand Rapids, MI 495032531. Office phone: 6162678700.
What is Dr. Christopher Chambers's NPI?
Dr. Christopher Chambers's National Provider Identifier (NPI) is 1184831869, issued by NPPES.
Does Dr. Christopher Chambers accept Medicare assignment?
Yes. Dr. Christopher Chambers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Chambers commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of arm and leg arteries (HCPCS 93922); Established patient office or other outpatient visit (HCPCS 99213); Ultrasound of both sides of head and neck blood flow (HCPCS 93880). Source: CMS Medicare Physician & Other Practitioners file.