Barbara Yosaitis, M.D.
NPI 1679617997 · Internal Medicine Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Yosaitis, M.D. is a Internal Medicine Physician provider in Fairfax, VA (NPI 1679617997).
Provider details
- NPI number
- 1679617997
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101049120 (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
2,235 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 | 697 | $141 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 266 | $143 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 265 | $21 |
| Assessment of Emotional Or Behavioral Problems96127 | 180 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 171 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 167 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 361 | 105 |
| Levothyroxine Sodium | 168 | 42 |
| Amlodipine Besylate | 129 | 38 |
| Hydrochlorothiazide | 117 | 35 |
| Metoprolol Succinate | 111 | 32 |
| Losartan Potassium | 101 | 31 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,071 across 50 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
- 2007-02-19
- Last updated
- 2008-05-21
Frequently asked questions
- What is Barbara Yosaitis's NPI number?
- Barbara Yosaitis's National Provider Identifier (NPI) is 1679617997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Yosaitis's specialty?
- Barbara Yosaitis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Yosaitis located?
- Barbara Yosaitis's practice location on file with NPPES is 3650 Joseph Siewick Dr, Fairfax, VA 22033-1710.
- What is Barbara Yosaitis's phone number?
- The practice phone number listed in the NPPES registry for Barbara Yosaitis is (703) 264-0521.
- Does Barbara Yosaitis accept Medicare?
- Barbara Yosaitis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Yosaitis's NPI active?
- Yes — Barbara Yosaitis's NPI (1679617997) is active in the NPPES registry as of the last update on 2008-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.