Doctor profile · Federal record
Dr. Dennis Chan, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Internal Medicine Physician · Radiation Oncology Physician · Student in an Organized Health Care Education/Training Program · Maywood, IL
- NPI 1679005243
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2160 S 1St Ave
Maywood, IL 60153
(888) 584-7888 - Additional location
-
4201 Saint Antoine St
Detroit, MI 48201
(800) 527-6266
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- October 23, 2019
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Illinois #125.071442 · Michigan #4301115711
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679005243. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,428
Distinct HCPCS
10
Medicare allowed
$228,457
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 832 | 82 | $46 | |
77300 |
Calculation of radiation therapy dose | 333 | 73 | $34 | |
77427 |
Radiation treatment management, 5 treatment sessions | 302 | 123 | $201 | |
77334 |
Design and construction of complex radiation treatment device | 279 | 95 | $62 | |
77263 |
Complex radiation therapy planning | 93 | 92 | $178 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 93 | 61 | $40 | |
77290 |
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 64 | 60 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 46 | $102 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 51 | 41 | $229 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $141 |
In context: peer comparison
Among 2 peers in Maywood Radiation Oncology Physician, average services per provider: 121. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$30
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 1 | $30.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$200
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 0 | $200 |
Hospital affiliations
Frequently asked questions
What is Dr. Dennis Chan's medical specialty?
Dr. Dennis Chan practices Radiation Oncology Physician in Maywood, IL.
Where does Dr. Dennis Chan practice?
Dr. Dennis Chan practices at 2160 S 1St Ave, Maywood, IL 60153. Office phone: 8885847888.
What is Dr. Dennis Chan's NPI?
Dr. Dennis Chan's National Provider Identifier (NPI) is 1679005243, issued by NPPES.
Does Dr. Dennis Chan accept Medicare assignment?
Yes. Dr. Dennis Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Chan commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.