Valerie Kremer, M.D.
NPI 1134445497 · Hematology & Oncology Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Valerie Kremer, M.D. is a Hematology & Oncology Physician provider in Rockville Centre, NY (NPI 1134445497).
Provider details
- NPI number
- 1134445497
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 270908 (NY)
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
16 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
2,254 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 699 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 403 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 265 | $205 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $145 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 168 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 42 | — |
| Anastrozole | 35 | 13 |
| Rivaroxabanbrand: Xarelto | 35 | — |
| Hydroxyurea | 28 | 11 |
| Dexamethasone | 19 | — |
| Omeprazole | 16 | — |
| Acyclovir | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,002 across 35 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
- 2010-04-12
- Last updated
- 2020-03-30
- Certified
- 2020-03-30
Frequently asked questions
- What is Valerie Kremer's NPI number?
- Valerie Kremer's National Provider Identifier (NPI) is 1134445497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Valerie Kremer's specialty?
- Valerie Kremer is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Valerie Kremer located?
- Valerie Kremer's practice location on file with NPPES is 242 Merrick Rd, Rockville Centre, NY 11570-5254.
- What is Valerie Kremer's phone number?
- The practice phone number listed in the NPPES registry for Valerie Kremer is (516) 536-1455.
- Does Valerie Kremer accept Medicare?
- Valerie Kremer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Valerie Kremer's NPI active?
- Yes — Valerie Kremer's NPI (1134445497) is active in the NPPES registry as of the last update on 2020-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.