MARIANNE H COWLEY (MD) – Ophthalmology Physician, NPI 1811964448
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
284 OPHTHALMOLOGY in KY
Provider Addresses for MARIANNE H COWLEY (MD)
3103 Breckenridge Ln
Ste 2
Louisville, KY 40220
Phone: (502) 499-8980
Fax: (502) 499-8294
Type: Location
3103, Breckenridge Lane, Louisville, Jefferson County, Kentucky, 40220, United States
STE 2
LOUISVILLE, KY 40220
Phone: (502) 499-8980
Fax: (502) 499-8294
Type: Mailing
6201 GREENLEIGH AVE
MIDDLE RIVER, MD 212202004
Phone: (410) 933-6423
Fax: (410) 500-4266
Type: Mailing
600 N WOLFE ST
BALTIMORE, MD 212870005
Phone: (410) 955-5000
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: 2023-04-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20230313001643 | I | Ophthalmology | MD | TBD |
| I20230420001283 | I | Ophthalmology | DC | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 299 | 222 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 169 | 138 | $0 |
| 67028 | Injection of drug into eye | 62 | 25 | $0 |
| 92014 | Established patient complete exam of visual system | 58 | 57 | $0 |
| 92004 | New patient complete exam of visual system | 46 | 46 | $0 |
Insurance plans in this area (ZIP 40220)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | KY | 92134 | Diagnostic imaging of retina | 972 | 305 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MD | |
| O T O L A R Y N G O L O G Y | TX | |
| Clinical Psychologist | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| O P H T H A L M O L O G Y | MD | |
| Pulmonary Disease, Internal Medicine | MD | |
| A N E S T H E S I O L O G Y | MD | |
| - | MD | |
| Emergency Medicine, Internal Medicine | MD |
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