Doctor profile · Federal record
Dr. Tisha Joerla Tan, M.D.
Nephrology Physician (CMS: Nephrology) · Crystal Lake, IL
- NPI 1881959872
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
442 N Il Route 31
Crystal Lake, IL 600123709
(224) 238-3211
fax (224) 535-8215 - Additional location
-
1670 Capital St Unit 900
Elgin, IL 601247837
(847) 285-1908 - Mailing address
-
Po Box 3877
Joliet, IL 604343877
Credentials & registration
- NPI registered
- July 2012 — 14 yrs on file
- Profile last updated
- September 15, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Illinois #036137011
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881959872. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,011
Distinct HCPCS
9
Medicare allowed
$542,425
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,910 | 508 | $114 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,011 | 338 | $111 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 942 | 143 | $61 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 510 | 135 | $49 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 422 | 357 | $166 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 103 | 15 | $346 | |
90966 |
Home dialysis services per month (20 years or older) | 58 | 11 | $285 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $163 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 13 | 13 | $170 |
In context: peer comparison
Among 6 peers in Crystal Lake Nephrology Physician, average services per provider: 271. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$1,034
Transactions
42
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 9 | $280.04 | |
| Amgen INC. | 12 | $223.14 | |
| Travere Therapeutics, INC. | 5 | $130.91 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $85.36 | |
| Otsuka America Pharmaceutical, INC. | 3 | $76.41 | |
| Novartis Pharmaceuticals Corporation | 2 | $46.58 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $45.61 | |
| Ultragenyx Pharmaceutical INC. | 2 | $44.47 | |
| Vifor Pharma, INC. | 2 | $42.30 | |
| Ardelyx, INC. | 1 | $34.78 | |
| Calliditas Therapeutics US INC. | 1 | $24.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,317
Patients
788
Total drug cost
$111,112
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Carvedilol | Generic | 360 | 100 | $3,598 |
| Bumetanide | Generic | 276 | 90 | $14,174 |
| Furosemide | Generic | 271 | 107 | $1,479 |
| Allopurinol | Generic | 238 | 73 | $3,034 |
| Potassium Chloride | Generic | 172 | 66 | $5,549 |
| Losartan Potassium | Generic | 162 | 59 | $1,781 |
| Amlodipine Besylate | Generic | 155 | 57 | $1,384 |
| Hydralazine Hcl | Generic | 146 | 58 | $2,144 |
| Lisinopril | Generic | 140 | 55 | $1,395 |
| Calcitriol | Generic | 89 | 23 | $1,270 |
Hospital affiliations
Frequently asked questions
What is Dr. Tisha Joerla Tan's medical specialty?
Dr. Tisha Joerla Tan practices Nephrology Physician in Crystal Lake, IL.
Where does Dr. Tisha Joerla Tan practice?
Dr. Tisha Joerla Tan practices at 442 N Il Route 31, Crystal Lake, IL 600123709. Office phone: 2242383211.
What is Dr. Tisha Joerla Tan's NPI?
Dr. Tisha Joerla Tan's National Provider Identifier (NPI) is 1881959872, issued by NPPES.
Does Dr. Tisha Joerla Tan accept Medicare assignment?
Yes. Dr. Tisha Joerla Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tisha Joerla Tan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.