Ernest Han, MD
NPI 1942357744 · Nephrology Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Han, MD is a Nephrology Physician provider in Gainesville, GA (NPI 1942357744).
Provider details
- NPI number
- 1942357744
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 062511 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,196 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 530 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 457 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 406 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 369 | $111 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 131 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 235 | 65 |
| Losartan Potassium | 152 | 51 |
| Hydralazine Hcl | 142 | 49 |
| Dapagliflozin Propanediolbrand: Farxiga | 140 | 24 |
| Carvedilol | 96 | 35 |
| Potassium Chloride | 93 | 32 |
| Allopurinol | 81 | 26 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$797 across 41 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1515 River Pl Ste 140Braselton, GA 30517-5603Phone: (678) 450-0202Fax: (678) 971-6065
- 1505 Northside Blvd Ste 3800Cumming, GA 30041-8247Phone: (678) 450-0202Fax: (678) 971-6065
- 638 Hwy 441Suite CDemorest, GA 30535Phone: (678) 450-0202Fax: (678) 971-6065
- 4035 Johns Creek Pkwy Ste CSuwanee, GA 30024-1213Phone: (678) 450-0202Fax: (678) 971-6065
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2019-01-16
Frequently asked questions
- What is Ernest Han's NPI number?
- Ernest Han's National Provider Identifier (NPI) is 1942357744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Han's specialty?
- Ernest Han is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Han located?
- Ernest Han's practice location on file with NPPES is 663 Lanier Park Dr, Gainesville, GA 30501-2059.
- What is Ernest Han's phone number?
- The practice phone number listed in the NPPES registry for Ernest Han is (678) 450-0202.
- Does Ernest Han accept Medicare?
- Ernest Han is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Han's NPI active?
- Yes — Ernest Han's NPI (1942357744) is active in the NPPES registry as of the last update on 2019-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.