AMY A. ZIMMERMAN (M.D.) – Ophthalmology Physician, NPI 1114958071
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
666 OPHTHALMOLOGY in MD
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Provider Addresses for AMY A. ZIMMERMAN (M.D.)
1209, York Road, Stoneridge, Towson, Baltimore County, Maryland, 21093, United States
SUITE 200
LUTHERVILLE, MD 210936220
Phone: (410) 821-9490
Fax: (410) 821-9495
Type: Mailing
8201, Philadelphia Road, Rosedale, Baltimore County, Maryland, 21237, United States
ROSEDALE, MD 212372832
Phone: (410) 866-2022
Fax: (410) 866-2031
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 49 Open Payments records for all available years, with a total value of $1,639.
Total Amount is formed as General ($1,639) + Research ($0) + Ownership ($0) = $1,639.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Alcon Vision LLC ($254).
Total Amount
$1,639
General + Research + Ownership
Payments
49
Total payment records
General Amount
$1,639
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $254 |
| Glaukos Corporation | $242 |
| Oyster Point Pharma, Inc. | $173 |
| Sight Sciences, Inc. | $164 |
| ABBVIE INC. | $157 |
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: 2010-12-13
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 |
|---|---|---|---|---|
| I20101213000416 | I | Ophthalmology | MD | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 699 | 577 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 503 | 465 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 485 | 326 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 399 | 235 | $0 |
| 92133 | Imaging of optic nerve | 264 | 248 | $0 |
Insurance plans in this area (ZIP 21093)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MD | 92134 | Diagnostic imaging of retina | 38 | 36 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MD | |
| O P T O M E T R Y | MD | |
| O P T O M E T R Y | MD | |
| O P H T H A L M O L O G Y | MD | |
| O P H T H A L M O L O G Y | MD | |
| O P T O M E T R Y | MD | |
| O P H T H A L M O L O G Y | MD | |
| O P T O M E T R Y | MD | |
| O P T O M E T R Y | VA | |
| O P T O M E T R Y | MD |
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