Nather Ansari, M.D.
NPI 1689663320 · Internal Medicine Physician · Stafford, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nather Ansari, M.D. is a Internal Medicine Physician provider in Stafford, VA (NPI 1689663320).
Provider details
- NPI number
- 1689663320
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101057815 (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
20 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
5,431 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 | 945 | $121 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 688 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 407 | $85 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 375 | $8 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 360 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 411 | 145 |
| Amlodipine Besylate | 367 | 139 |
| Levothyroxine Sodium | 333 | 108 |
| Lisinopril | 327 | 117 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 283 | 84 |
| Metformin Hcl | 241 | 85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,738 across 84 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
- 2005-10-15
- Last updated
- 2017-06-08
Frequently asked questions
- What is Nather Ansari's NPI number?
- Nather Ansari's National Provider Identifier (NPI) is 1689663320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nather Ansari's specialty?
- Nather Ansari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nather Ansari located?
- Nather Ansari's practice location on file with NPPES is 1075 Garrisonville Rd, Stafford, VA 22556-8600.
- What is Nather Ansari's phone number?
- The practice phone number listed in the NPPES registry for Nather Ansari is (540) 288-9888.
- Does Nather Ansari accept Medicare?
- Nather Ansari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nather Ansari's NPI active?
- Yes — Nather Ansari's NPI (1689663320) is active in the NPPES registry as of the last update on 2017-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.