Maria Guina-Byrne, M.D.
NPI 1093879157 · Neurology Physician · Hampton, VA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Guina-Byrne, M.D. is a Neurology Physician provider in Hampton, VA (NPI 1093879157).
Provider details
- NPI number
- 1093879157
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 46357 (MN)
Specialties & taxonomies
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
19 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
1,785 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 | 803 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 165 | $161 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 159 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 107 | $175 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 434 | 107 |
| Donepezil Hcl | 412 | 110 |
| Gabapentin | 406 | 112 |
| Duloxetine Hcl | 127 | 37 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 108 | 33 |
| Lamotrigine | 98 | 25 |
| Pregabalin | 92 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$489 across 28 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
- 2006-12-21
- Last updated
- 2019-06-11
Frequently asked questions
- What is Maria Guina-Byrne's NPI number?
- Maria Guina-Byrne's National Provider Identifier (NPI) is 1093879157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Guina-Byrne's specialty?
- Maria Guina-Byrne is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Guina-Byrne located?
- Maria Guina-Byrne's practice location on file with NPPES is 4000 Coliseum Dr, Hampton, VA 23666-5906.
- What is Maria Guina-Byrne's phone number?
- The practice phone number listed in the NPPES registry for Maria Guina-Byrne is (757) 736-8050.
- Does Maria Guina-Byrne accept Medicare?
- Maria Guina-Byrne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Guina-Byrne's NPI active?
- Yes — Maria Guina-Byrne's NPI (1093879157) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.