DR. GEORGE C BAZACO (M.D.) – Pulmonary Disease Physician, NPI 1922000256
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
478 PULMONARY DISEASE in VA
Provider Addresses for DR. GEORGE C BAZACO (M.D.)
3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 220331711
Phone: (703) 391-8804
Fax: (703) 391-5659
Type: Mailing
Fair Oaks Professional Building, 3650, Joseph Siewick Drive, Chantilly, Fairfax (city), Virginia, 22033, United States
STE 307
FAIRFAX, VA 220331715
Phone: (703) 391-8804
Fax: (703) 391-5659
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 212 Open Payments records for all available years, with a total value of $4,767.
Total Amount is formed as General ($4,767) + Research ($0) + Ownership ($0) = $4,767.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,254).
Total Amount
$4,767
General + Research + Ownership
Payments
212
Total payment records
General Amount
$4,767
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-01-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100416000746 | I | Pulmonary Disease | VA | TBD |
| I20110106000137 | I | Internal Medicine | DC | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,452 | 452 | $0 |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | 500 | 360 | $0 |
| 94729 | Test to examine how well the lungs exchange gases | 490 | 358 | $0 |
| 94727 | Test to determine lung volumes using gas dilution or washout | 490 | 358 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 119 | 119 | $0 |
Insurance plans in this area (ZIP 22033)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | VA | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 585 | 408 |
| PULMONARY DISEASE | VA | 94727 | Determination of lung volumes using gas dilution or washout | 338 | 294 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | VA | |
| Pulmonary Disease | VA | |
| Pulmonary Disease | VA | |
| Sleep Medicine, Critical Care (Intensivists), Pulmonary Disease | VA | |
| Sleep Medicine, Pulmonary Disease, Critical Care (Intensivists) | VA | |
| Sleep Medicine, Critical Care (Intensivists), Pulmonary Disease, Sleep Medicine | VA | |
| Pulmonary Disease, Critical Care (Intensivists) | VA |
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