HSIEN TA FANG (MD) – Nephrology Physician, NPI 1760562474
Nephrology Physician
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NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
Provider Addresses for HSIEN TA FANG (MD)
302 Randall Rd Ste 205
Geneva, IL 601344219
Phone: (630) 690-1220
Fax: (630) 208-1667
Type: Location
120 W 22ND ST STE 200
OAK BROOK, IL 605231563
Phone: (630) 573-5000
Type: Mailing
Medical Office Building 2, 120, Spalding Drive, Naperville, Naperville Township, DuPage County, Illinois, 60540, United States
SUITE 410
NAPERVILLE, IL 605406508
Phone: (630) 369-0780
Fax: (630) 369-0886
Type: Location
Oak Park, Huntsville, Madison County, Alabama, 35801-3609, United States
OAK PARK, IL 603024420
Phone: (708) 492-4077
Fax: (708) 386-2839
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-08-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100805001107 | I | Nephrology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 14,400 | 19 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 936 | 272 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 285 | 224 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 228 | 197 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 216 | 27 | $0 |
Insurance plans in this area (ZIP 60134)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | IL | 90935 | Hemodialysis procedure with one physician evaluation | 25 | 23 |
| NEPHROLOGY | IL | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 49 | 27 |
| NEPHROLOGY | IL | 90966 | Home dialysis services per month, patient 20 years of age or older | 41 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
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