Hans Grossniklaus, MD
NPI 1275590069 · Ophthalmology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hans Grossniklaus, MD is a Ophthalmology Physician provider in Atlanta, GA (NPI 1275590069).
Provider details
- NPI number
- 1275590069
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 031600 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
750 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) |
|---|---|---|
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 301 | $108 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 140 | $42 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 122 | $70 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 69 | $88 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 42 | $72 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 1 record (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
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hans Grossniklaus's NPI number?
- Hans Grossniklaus's National Provider Identifier (NPI) is 1275590069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hans Grossniklaus's specialty?
- Hans Grossniklaus is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Hans Grossniklaus located?
- Hans Grossniklaus's practice location on file with NPPES is 1365 Clifton Rd Ne, Atlanta, GA 30322.
- What is Hans Grossniklaus's phone number?
- The practice phone number listed in the NPPES registry for Hans Grossniklaus is (404) 778-4611.
- Does Hans Grossniklaus accept Medicare?
- Hans Grossniklaus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hans Grossniklaus's NPI active?
- Yes — Hans Grossniklaus's NPI (1275590069) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.