Sandra Cremers, MD
NPI 1588654040 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Cremers, MD is a Ophthalmology Physician provider in Boston, MA (NPI 1588654040).
Provider details
- NPI number
- 1588654040
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 203729 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,240 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Photography of the Retina92250 | 258 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 138 | $142 |
| Established Patient Complete Exam of Visual System92014 | 135 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $100 |
| Ct Scan of Cornea92025 | 76 | $40 |
| Imaging of Optic Nerve92133 | 61 | $39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lifitegrastbrand: Xiidra | 143 | 67 |
| Doxycycline Hyclate | 88 | 30 |
| Latanoprost | 74 | 33 |
| Prednisolone Acetate | 56 | 39 |
| Brimonidine Tartrate | 54 | 17 |
| Perfluorohexyloctane/Pfbrand: Miebo | 51 | 32 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 44 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$828 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-26
- Last updated
- 2014-01-29
Frequently asked questions
- What is Sandra Cremers's NPI number?
- Sandra Cremers's National Provider Identifier (NPI) is 1588654040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Cremers's specialty?
- Sandra Cremers is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Cremers located?
- Sandra Cremers's practice location on file with NPPES is 243 Charles St, Boston, MA 02114-3002.
- What is Sandra Cremers's phone number?
- The practice phone number listed in the NPPES registry for Sandra Cremers is (617) 573-3529.
- Does Sandra Cremers accept Medicare?
- Sandra Cremers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Cremers's NPI active?
- Yes — Sandra Cremers's NPI (1588654040) is active in the NPPES registry as of the last update on 2014-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.