Ashrei Bayewitz, MD
NPI 1578826640 · Hematology & Oncology Physician · Mineola, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashrei Bayewitz, MD is a Hematology & Oncology Physician provider in Mineola, NY (NPI 1578826640).
Provider details
- NPI number
- 1578826640
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34637 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
97 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $108 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 22 | $146 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $128 |
Typical Medicare-allowed amounts for these services range $108–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Apixabanbrand: Eliquis | 30 |
| Imatinib Mesylate | 23 |
| Acyclovir | 17 |
| Lenalidomide | 17 |
| Ondansetron Hcl | 16 |
| Hydroxyurea | 13 |
| Loperamide Hclbrand: Loperamide | 13 |
| Fostamatinib Disodiumbrand: Tavalisse | 13 |
| Dexamethasone | 12 |
| Eltrombopag Olaminebrand: Promacta | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
Additional practice locations (2)
- 3073 White Mountain HwyNorth Conway, NH 03860-7101Phone: (603) 356-4904Fax: (603) 356-0842
- 12100 Warwick Blvd # 201Newport News, VA 23601-2365Phone: (757) 534-5555
Registry dates
- Enumerated
- 2012-06-22
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Ashrei Bayewitz's NPI number?
- Ashrei Bayewitz's National Provider Identifier (NPI) is 1578826640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashrei Bayewitz's specialty?
- Ashrei Bayewitz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashrei Bayewitz located?
- Ashrei Bayewitz's practice location on file with NPPES is 259 First Street, Mineola, NY 11501.
- What is Ashrei Bayewitz's phone number?
- The practice phone number listed in the NPPES registry for Ashrei Bayewitz is (516) 663-0333.
- Does Ashrei Bayewitz accept Medicare?
- Ashrei Bayewitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashrei Bayewitz's NPI active?
- Yes — Ashrei Bayewitz's NPI (1578826640) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.