Nathanael Dayes, MD
NPI 1487851853 · Vascular Surgery Physician · Cheverly, MD
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathanael Dayes, MD is a Vascular Surgery Physician provider in Cheverly, MD (NPI 1487851853).
Provider details
- NPI number
- 1487851853
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101254762 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
161 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) |
|---|---|---|
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 41 | $40 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 37 | $22 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 26 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $141 |
| Ultrasound Study of Arm and Leg Arteries93922 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,163 across 27 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
- 2007-06-29
- Last updated
- 2024-12-16
- Certified
- 2024-12-16
Frequently asked questions
- What is Nathanael Dayes's NPI number?
- Nathanael Dayes's National Provider Identifier (NPI) is 1487851853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathanael Dayes's specialty?
- Nathanael Dayes is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathanael Dayes located?
- Nathanael Dayes's practice location on file with NPPES is 3001 Hospital Dr, Cheverly, MD 20785-1189.
- What is Nathanael Dayes's phone number?
- The practice phone number listed in the NPPES registry for Nathanael Dayes is (667) 214-1718.
- Does Nathanael Dayes accept Medicare?
- Nathanael Dayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathanael Dayes's NPI active?
- Yes — Nathanael Dayes's NPI (1487851853) is active in the NPPES registry as of the last update on 2024-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.