DR. SANDRA LORA CREMERS (MD) – Ophthalmology Physician, NPI 1588654040
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
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Provider Addresses for DR. SANDRA LORA CREMERS (MD)
Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom
MASS GENERAL PHYSICIAN ORGANIZATION
CHARLESTOWN, MA 021299142
Phone: (617) 724-0287
Fax: (617) 726-2894
Type: Mailing
Massachusetts Eye and Ear, 243, Charles Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States
MASSACHUSETTS EYE AND EAR INFIRMARY
BOSTON, MA 021143002
Phone: (617) 573-3529
Fax: (617) 573-3152
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 83 Open Payments records for all available years, with a total value of $2,093.
Total Amount is formed as General ($2,093) + Research ($0) + Ownership ($0) = $2,093.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Mallinckrodt Hospital Products Inc. ($590).
Total Amount
$2,093
General + Research + Ownership
Payments
83
Total payment records
General Amount
$2,093
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mallinckrodt Hospital Products Inc. | $590 |
| Alcon Vision LLC | $277 |
| Oyster Point Pharma, Inc. | $259 |
| RxSight Inc | $158 |
| Sun Pharmaceutical Industries Inc. | $130 |
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: 2013-07-29
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 |
|---|---|---|---|---|
| I20130729000079 | 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 |
|---|---|---|---|---|
| 92250 | Photography of the retina | 342 | 311 | $0 |
| 92014 | Established patient complete exam of visual system | 225 | 209 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 207 | 142 | $0 |
| 92025 | Ct scan of cornea | 120 | 112 | $0 |
| 76514 | Ultrasound scan of cornea to determine thickness | 120 | 112 | $0 |
Insurance plans in this area (ZIP 02129)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MA | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 38 | 36 |
| OPHTHALMOLOGY | MA | 92083 | Measurement of field of vision during daylight conditions | 62 | 58 |
| OPHTHALMOLOGY | MA | 92134 | Diagnostic imaging of retina | 31 | 27 |
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 | DC | |
| 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 | DC | |
| O P T O M E T R Y | MD | |
| O P H T H A L M O L O G Y | DC | |
| - | MD | |
| O P H T H A L M O L O G Y | MD |
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