San Thaw Dar Aye, M.D
NPI 1598994089 · Hospitalist Physician · Leesburg, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
San Thaw Dar Aye, M.D is a Hospitalist Physician provider in Leesburg, VA (NPI 1598994089).
Provider details
- NPI number
- 1598994089
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0101256433 (VA)
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 tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
893 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 35 Minutes99232 | 560 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 219 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 114 | $113 |
Typical Medicare-allowed amounts for these services range $75–$113 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 30 | 30 |
| Cefuroxime Axetilbrand: Cefuroxime | 29 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 26 |
| Furosemide | 16 | 15 |
| Azithromycin | 15 | 15 |
| Levofloxacin | 15 | 14 |
| Metoprolol Succinate | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-07
- Last updated
- 2020-12-04
- Certified
- 2020-12-04
Frequently asked questions
- What is San Thaw Dar Aye's NPI number?
- San Thaw Dar Aye's National Provider Identifier (NPI) is 1598994089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is San Thaw Dar Aye's specialty?
- San Thaw Dar Aye is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is San Thaw Dar Aye located?
- San Thaw Dar Aye's practice location on file with NPPES is 44045 Riverside Pkwy, Leesburg, VA 20176-5101.
- What is San Thaw Dar Aye's phone number?
- The practice phone number listed in the NPPES registry for San Thaw Dar Aye is (703) 858-6000.
- Does San Thaw Dar Aye accept Medicare?
- San Thaw Dar Aye is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is San Thaw Dar Aye's NPI active?
- Yes — San Thaw Dar Aye's NPI (1598994089) is active in the NPPES registry as of the last update on 2020-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.