Doctor profile · Federal record

Dr. Amber Warnat, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Bloomfield Hills, MI

  • NPI 1366735128
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
43996 Woodward Ave Ste 101
Bloomfield Hills, MI 483025028
(248) 332-4544
fax (248) 332-2716

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
February 13, 2026
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Michigan #L1826429

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366735128. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
302
Distinct HCPCS
10
Medicare allowed
$18,170
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 52 52 $36
92020 Exam of the internal drainage system of eye 41 39 $27
92083 Exam of visual field with extended testing 35 33 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 29 28 $129
92133 Imaging of optic nerve 28 28 $34
76514 Ultrasound scan of cornea to determine thickness 25 25 $11
92285 Photography of content of eyes 20 18 $22
99213 Established patient office or other outpatient visit, 20-29 minutes 18 16 $91
92014 Established patient complete exam of visual system 16 15 $125
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $170

In context: peer comparison

Among 3 peers in Bloomfield Hills Ophthalmology Physician, average services per provider: 177. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
375
Patients
183
Total drug cost
$21,659
Drug Type Claims Patients Total cost
Erythromycin (Erythromycin Base) Brand 121 63 $1,251
Latanoprost Generic 80 39 $1,961
Olopatadine Hcl Generic 69 31 $1,400
Brimonidine Tartrate Generic 33 20 $5,451
Timolol Maleate Generic 25 12 $342
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 19 18 $305
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 16 0 $5,667
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 12 0 $5,282

Frequently asked questions

Auto-generated from federal data
What is Dr. Amber Warnat's medical specialty?
Dr. Amber Warnat practices Ophthalmology Physician in Bloomfield Hills, MI.
Where does Dr. Amber Warnat practice?
Dr. Amber Warnat practices at 43996 Woodward Ave Ste 101, Bloomfield Hills, MI 483025028. Office phone: 2483324544.
What is Dr. Amber Warnat's NPI?
Dr. Amber Warnat's National Provider Identifier (NPI) is 1366735128, issued by NPPES.
Does Dr. Amber Warnat accept Medicare assignment?
Yes. Dr. Amber Warnat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amber Warnat commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Exam of the internal drainage system of eye (HCPCS 92020); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.