AMBER WARNAT (M.D.) – Ophthalmology Physician, NPI 1366735128
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
844 OPHTHALMOLOGY in MI
Provider Addresses for AMBER WARNAT (M.D.)
4141 3 OAKS DR
APT 2A
TROY, MI 480984513
Phone:
Type: Mailing
22039 JOHN R RD
HAZEL PARK, MI 480301712
Phone: (248) 336-3937
Fax: (248) 336-3938
Type: Location
43996 WOODWARD AVE STE 101
BLOOMFIELD HILLS, MI 483025028
Phone: (248) 332-4544
Fax: (248) 332-2716
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2014-08-18
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 |
|---|---|---|---|---|
| I20140818002039 | I | Ophthalmology | MI | 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 |
|---|---|---|---|---|
| 92250 | Photography of the retina | 52 | 52 | $0 |
| 92020 | Exam of the internal drainage system of eye | 41 | 39 | $0 |
| 92083 | Exam of visual field with extended testing | 35 | 33 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 29 | 28 | $0 |
| 92133 | Imaging of optic nerve | 28 | 28 | $0 |
Insurance plans in this area (ZIP 48098)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MI | 92134 | Diagnostic imaging of retina | 129 | 117 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| - | MI | |
| O P T O M E T R Y | MI |
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