ERNEST C HAN (MD) – Nephrology Physician, NPI 1942357744
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
431 NEPHROLOGY in GA
Provider Addresses for ERNEST C HAN (MD)
1505 Northside Blvd Ste 3800
Cumming, GA 300418247
Phone: (678) 450-0202
Fax: (678) 971-6065
Type: Location
1515 River Pl Ste 140
Braselton, GA 305175603
Phone: (678) 450-0202
Fax: (678) 971-6065
Type: Location
4035 Johns Creek Pkwy Ste C
Suwanee, GA 300241213
Phone: (678) 450-0202
Fax: (678) 971-6065
Type: Location
638 Hwy 441
Suite C
Demorest, GA 30535
Phone: (678) 450-0202
Fax: (678) 971-6065
Type: Location
663, Lanier Park Drive, Gainesville, Hall County, Georgia, 30501, United States
GAINESVILLE, GA 305012059
Phone: (678) 450-0202
Fax: (678) 450-0080
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $1,409.
Total Amount is formed as General ($1,409) + Research ($0) + Ownership ($0) = $1,409.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Fresenius USA Marketing, Inc. ($205).
Total Amount
$1,409
General + Research + Ownership
Payments
75
Total payment records
General Amount
$1,409
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Fresenius USA Marketing, Inc. | $205 |
| Amgen Inc. | $194 |
| AstraZeneca Pharmaceuticals LP | $171 |
| Bayer Healthcare Pharmaceuticals Inc. | $166 |
| Ascendis Pharma Inc | $137 |
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: 2009-06-11
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 |
|---|---|---|---|---|
| I20090611000108 | I | Nephrology | GA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 528 | 225 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 416 | 155 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 346 | 130 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 95 | 24 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 95 | 94 | $0 |
Insurance plans in this area (ZIP 30041)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | GA | 90935 | Hemodialysis procedure with one physician evaluation | 130 | 70 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | GA | |
| N E P H R O L O G Y | GA | |
| N E P H R O L O G Y | NY | |
| Nurse Practitioner | GA | |
| N E P H R O L O G Y | GA | |
| Nurse Practitioner | GA | |
| N E P H R O L O G Y | IA | |
| Nurse Practitioner | GA | |
| N E P H R O L O G Y | GA | |
| N E P H R O L O G Y | GA |
Reviews
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