Maria Tayag, MD
NPI 1669485181 · Internal Medicine Physician · Winchester, VA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Tayag, MD is a Internal Medicine Physician provider in Winchester, VA (NPI 1669485181).
Provider details
- NPI number
- 1669485181
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101255981 (VA)
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
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
1,007 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 384 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 372 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 211 | $110 |
| Advance Care Planning, First 30 Minutes99497 | 23 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $166 |
Typical Medicare-allowed amounts for these services range $72–$166 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 66 | 36 |
| Furosemide | 52 | 40 |
| Atorvastatin Calcium | 36 | 27 |
| Pantoprazole Sodium | 33 | 32 |
| Cefuroxime Axetilbrand: Cefuroxime | 33 | 33 |
| Midodrine Hcl | 32 | 21 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$242 across 11 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
- 2006-08-14
- Last updated
- 2020-11-03
- Certified
- 2020-11-03
Frequently asked questions
- What is Maria Tayag's NPI number?
- Maria Tayag's National Provider Identifier (NPI) is 1669485181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Tayag's specialty?
- Maria Tayag is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Tayag located?
- Maria Tayag's practice location on file with NPPES is 1840 Amherst St, Winchester, VA 22601-2808.
- What is Maria Tayag's phone number?
- The practice phone number listed in the NPPES registry for Maria Tayag is (540) 536-4334.
- Does Maria Tayag accept Medicare?
- Maria Tayag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Tayag's NPI active?
- Yes — Maria Tayag's NPI (1669485181) is active in the NPPES registry as of the last update on 2020-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.