Doctor profile · Federal record
Dr. Juan Ruiz, M.D
Nephrology Physician (CMS: Nephrology) · Chicago, IL
- NPI 1588972343
- Accepts Medicare
- MIPS 78.2 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2222 W Division St Ste 260
Chicago, IL 606222990
(773) 489-6605
fax (872) 829-3663 - Additional location
-
1901 W Harrison St
Chicago, IL 606123714
(312) 864-6000 - Additional location
-
6827 Stanley Ave
Berwyn, IL 604023287
(708) 749-4617
fax (708) 492-4077 - Mailing address
-
120 W 22Nd St Ste 200
Oak Brook, IL 605231563
Credentials & registration
- NPI registered
- September 2010 — 16 yrs on file
- Profile last updated
- June 1, 2022
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Illinois #036127114
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588972343. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
161
Distinct HCPCS
3
Medicare allowed
$16,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 75 | 41 | $102 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 59 | 38 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $137 |
In context: peer comparison
Among 62 peers in Chicago Nephrology Physician, average services per provider: 104. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$615
Transactions
26
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka America Pharmaceutical, INC. | 7 | $145.69 | |
| Aurinia Pharma U.S., INC. | 5 | $105.55 | |
| Travere Therapeutics, INC. | 5 | $100.84 | |
| Novartis Pharmaceuticals Corporation | 3 | $96.20 | |
| Ardelyx, INC. | 2 | $56.13 | |
| Baxter Healthcare | 1 | $39.98 | |
| Calliditas Therapeutics US INC. | 1 | $24.96 | |
| Abbott Laboratories | 1 | $24.19 | |
| Alexion Pharmaceuticals, INC. | 1 | $21.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
155
Patients
16
Total drug cost
$16,916
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nifedipine ER (Nifedipine) | Brand | 40 | 16 | $3,736 |
| Carvedilol | Generic | 19 | 0 | $261 |
| Losartan Potassium | Generic | 18 | 0 | $166 |
| Bumetanide | Generic | 15 | 0 | $505 |
| Enalapril Maleate | Generic | 14 | 0 | $428 |
| Furosemide | Generic | 13 | 0 | $128 |
| Amlodipine Besylate | Generic | 12 | 0 | $28 |
| Atorvastatin Calcium | Generic | 12 | 0 | $54 |
| Jardiance (Empagliflozin) | Brand | 12 | 0 | $11,611 |
Hospital affiliations
Frequently asked questions
What is Dr. Juan Ruiz's medical specialty?
Dr. Juan Ruiz practices Nephrology Physician in Chicago, IL.
Where does Dr. Juan Ruiz practice?
Dr. Juan Ruiz practices at 2222 W Division St Ste 260, Chicago, IL 606222990. Office phone: 7734896605.
What is Dr. Juan Ruiz's NPI?
Dr. Juan Ruiz's National Provider Identifier (NPI) is 1588972343, issued by NPPES.
Does Dr. Juan Ruiz accept Medicare assignment?
Yes. Dr. Juan Ruiz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Juan Ruiz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.