Doctor profile · Federal record
Dr. Margaret Dauphin-van Dyk, M.D.
Specialist (CMS: Internal Medicine) · Chicago, IL
- NPI 1801852926
- Accepts Medicare
- 48 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2800 N Sheridan RD Ste 406
Chicago, IL 606576158
(312) 201-0044
fax (773) 697-4628 - Mailing address
-
2738 Lincoln Street
Evanston, IL 602012043
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- August 31, 2022
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Illinois #036059705
- Medicaid
- IL #036059705
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801852926. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
170
Distinct HCPCS
3
Medicare allowed
$17,283
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 32 | $134 | |
36415 |
Insertion of needle into vein for collection of blood sample | 55 | 28 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 27 | 17 | $187 |
In context: peer comparison
Among 10 peers in Chicago Specialist, average services per provider: 138. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Hikma Pharmaceuticals USA | 1 | $14.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,437
Patients
183
Total drug cost
$39,175
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 206 | 31 | $2,285 |
| Amlodipine Besylate | Generic | 181 | 36 | $1,976 |
| Metoprolol Succinate | Generic | 158 | 26 | $2,832 |
| Simvastatin | Generic | 125 | 26 | $1,233 |
| Losartan Potassium | Generic | 104 | 11 | $840 |
| Metformin Hcl | Generic | 97 | 18 | $1,039 |
| Gabapentin | Generic | 94 | 0 | $1,336 |
| Lisinopril | Generic | 85 | 16 | $671 |
| Furosemide | Generic | 81 | 19 | $500 |
| Tamsulosin Hcl | Generic | 64 | 0 | $1,044 |
Frequently asked questions
What is Dr. Margaret Dauphin-van Dyk's medical specialty?
Dr. Margaret Dauphin-van Dyk practices Specialist in Chicago, IL.
Where does Dr. Margaret Dauphin-van Dyk practice?
Dr. Margaret Dauphin-van Dyk practices at 2800 N Sheridan RD Ste 406, Chicago, IL 606576158. Office phone: 3122010044.
What is Dr. Margaret Dauphin-van Dyk's NPI?
Dr. Margaret Dauphin-van Dyk's National Provider Identifier (NPI) is 1801852926, issued by NPPES.
Does Dr. Margaret Dauphin-van Dyk accept Medicare assignment?
Yes. Dr. Margaret Dauphin-van Dyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Dauphin-van Dyk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.