Doctor profile · Federal record

Dr. Hans Grossniklaus, MD

Ophthalmology Physician (CMS: Pathology) · Atlanta, GA

  • NPI 1275590069
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 46 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1365 Clifton RD Ne, Bldg B Room Bt428
Atlanta, GA 30322
(404) 778-4611
fax (404) 778-5089

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Georgia #031600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275590069. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
831
Distinct HCPCS
8
Medicare allowed
$70,990
HCPCS Description Services Patients Avg allowed
88312 Special stained specimen slides to identify organisms including interpretation and report 338 250 $107
88304 Pathology examination of tissue using a microscope, moderately low complexity 172 142 $41
88305 Pathology examination of tissue using a microscope, intermediate complexity 138 97 $69
88341 Special stained specimen slides to examine tissue, each additional procedure 76 23 $82
88313 Special stained specimen slides to examine tissue including interpretation and report 39 21 $69
88342 Special stained specimen slides to examine tissue, initial procedure 30 27 $83
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 20 20 $97
88307 Pathology examination of tissue using a microscope, moderately high complexity 18 15 $274

In context: peer comparison

Among 50 peers in Atlanta Ophthalmology Physician, average services per provider: 531. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$84
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Delcath Systems 1 $84.44

By nature of payment

Food and Beverage
$84

Frequently asked questions

Auto-generated from federal data
What is Dr. Hans Grossniklaus's medical specialty?
Dr. Hans Grossniklaus practices Ophthalmology Physician in Atlanta, GA.
Where does Dr. Hans Grossniklaus practice?
Dr. Hans Grossniklaus practices at 1365 Clifton RD Ne, Atlanta, GA 30322. Office phone: 4047784611.
What is Dr. Hans Grossniklaus's NPI?
Dr. Hans Grossniklaus's National Provider Identifier (NPI) is 1275590069, issued by NPPES.
Does Dr. Hans Grossniklaus accept Medicare assignment?
Yes. Dr. Hans Grossniklaus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hans Grossniklaus commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.