DR. GEORGE C BAZACO M.D.
NPI 1922000256
Internal Medicine - Pulmonary Disease in Fairfax, VA

Q: What is George Bazaco's NPI number?

The NPI number for George Bazaco is 1922000256. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Q: What is George Bazaco's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for George Bazaco was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 31, 2005PECOS EnrolledAccepts Medicare Assignment

3650 JOSEPH SIEWICK DR STE 110, FAIRFAX, VA 22033(703) 391-8804(703) 391-5659 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. George C Bazaco M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GEORGE C BAZACO M.D. (NPI 1922000256) is an individual pulmonary disease provider in Fairfax, Virginia, licensed in Virginia (0101025094) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of Other (1970).

NPPES Registry Identity

NPI1922000256

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. GEORGE C BAZACOCredential: M.D.

Location Address3650 JOSEPH SIEWICK DR STE 110Fairfax, VA 22033-1711

Mailing Address3650 Joseph Siewick Dr Ste 110Fairfax, VA 22033-1711 · (703) 391-8804 · Fax (703) 391-5659

Phone(703) 391-8804

Fax(703) 391-5659

Sole ProprietorNo

Medical School CMSOtherGraduated 1970

Enumeration DateMay 31, 2005

Last NPPES UpdateJanuary 30, 2026

NPPES CertifiedJanuary 30, 2026

✔ NPI 1922000256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in VA · 0101025094

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 0101025094 (VA)

3650 JOSEPH SIEWICK DR STE 110, Fairfax, VA 22033

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Other Identifiers 1

Medicaid6077803VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. George C Bazaco M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638138852

PECOS Enrollment IDI20100416000746, I20110106000137

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,318 services405 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

463 services333 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

453 services331 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

451 services331 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

96 services96 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

31 services26 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490043

Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County

Emergency services Birthing friendly

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490045

Location8700 Sudley RdManassas, VA 20110 · Manassas City County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Reston Hospital Center

Acute Care Hospitals · Reston, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490107

Location1850 Town Center ParkwayReston, VA 20190 · Fairfax County

Emergency services

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490144

Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

98%3,961 patients4/55-star benchmark: 99%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

99%485 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

98%1,279 patients5/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

99%1,279 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

28%1,279 patients2/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

41%1,279 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 28

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

12 suppliers170 claims170 services$30.92 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

4 suppliers45 claims93 services$1.19 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005

DME-Other DME · category DE000N

5 suppliers15 claims15 services$11.37 avg. paid by Medicare

Filter, disposable, used with aerosol compressor or ultrasonic generator A7013

DME-Other DME · category DE000N

4 suppliers19 claims19 services$0.57 avg. paid by Medicare

Aerosol mask, used with dme nebulizer A7015

DME-Other DME · category DE000N

2 suppliers23 claims24 services$1.09 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

8 suppliers81 claims81 services$73.72 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

8 suppliers84 claims231 services$28.40 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

7 suppliers68 claims379 services$15.69 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

4 suppliers47 claims260 services$12.20 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

10 suppliers114 claims114 services$47.07 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

15 suppliers113 claims113 services$14.59 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

1 supplier12 claims12 services$8.75 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

11 suppliers39 claims40 services$10.88 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

18 suppliers202 claims990 services$1.70 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

11 suppliers79 claims79 services$10.51 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers107 claims113 services$14.14 avg. paid by Medicare

High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each E0483

DME-Other DME · category DE000N

1 supplier12 claims12 services$814.01 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

2 suppliers126 claims137 services$11.07 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers96 claims104 services$4.50 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

5 suppliers213 claims222 services$27.31 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

7 suppliers555 claims564 services$66.20 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

4 suppliers88 claims91 services$32.33 avg. paid by Medicare

Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605

DME-Drugs Administered Through DME · category DG006N

3 suppliers32 claims1,920 services$4.87 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

6 suppliers81 claims5,010 services$6.37 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

11 suppliers80 claims15,923 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

6 suppliers37 claims2,940 services$0.09 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

7 suppliers105 claims5,831 services$0.81 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

18 suppliers200 claims200 services$25.26 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JANE J WU M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. MARLA L SHUMAN M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

NITNOY BADGLEY

Nurse Practitioner (Family)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. DEPAK SONI M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. KEVIN L GLASS M..

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. MAURA P FOLEY M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. RICHARD A SWIFT M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

DR. THOMAS J LORUSSO M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR STE 110
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Bazaco's NPI number?

The NPI number for George Bazaco is 1922000256. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is George Bazaco located?

George Bazaco practices at 3650 Joseph Siewick Dr Ste 110, Fairfax, VA 22033. The listed phone number is (703) 391-8804.

What is George Bazaco's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is George Bazaco enrolled in Medicare?

Yes. George Bazaco is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is George Bazaco affiliated with any hospitals?

According to CMS data, George Bazaco is affiliated with Inova Loudoun Hospital, Novant Prince William Medical Center, Inova Fair Oaks Hospital, Reston Hospital Center and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for George Bazaco was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.