MARYANN GIORDANO MD
NPI 1326010604
Internal Medicine in Fairfax, VA

Q: What is Maryann Giordano's NPI number?

The NPI number for Maryann Giordano is 1326010604. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Q: What is Maryann Giordano's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Maryann Giordano was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 February 02, 2006PECOS EnrolledAccepts Medicare Assignment

93.51/100

CMS Quality Rating

3022 WILLIAMS DR STE 300, FAIRFAX, VA 22031(703) 573-9800(703) 738-5720 Get Directions Write a Review

NPPES record last updated: November 4, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Maryann Giordano Md NPPES

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

MARYANN GIORDANO MD (NPI 1326010604) is an individual internal medicine provider in Fairfax, Virginia, licensed in Virginia (0101053601) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and maintains a secondary practice location in Arlington.

NPPES Registry Identity

NPI1326010604

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARYANN GIORDANOCredential: MD

Location Address3022 WILLIAMS DR STE 300Fairfax, VA 22031-4600

Mailing AddressPo Box 37189Baltimore, MD 21297-3189 · (703) 379-5757 · Fax (703) 820-7207

Phone(703) 573-9800

Fax(703) 738-5720

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 1994

Enumeration DateFebruary 2, 2006

Last NPPES UpdateNovember 4, 2020

NPPES CertifiedNovember 4, 2020

✔ NPI 1326010604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in VA · 0101053601

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3022 WILLIAMS DR STE 300, Fairfax, VA 22031

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Secondary Practice Location 1

Location 1611 S Carlin Springs Rd, Ste 405Arlington, VA 22204 · Phone (703) 379-5757 · Fax (703) 820-7207

Other Identifiers 1

Other0617Bsdc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maryann Giordano Md 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 ID5496740870

PECOS Enrollment IDI20040415001072

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.

Medicare Billing Reassignments

Medicare enrollment records show Maryann Giordano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Provider Profile

5.9 mi

Internal Medicine

611 S CARLIN SPRINGS RD, SUTIE 405
Arlington, VA 22204

Reassigned Medicare billing, District of Columbia enrollment

NPI 1043283484 (703) 379-5757

Inova Physician Partners, LLC

11 mi

Family Medicine

3914 CENTREVILLE RD, SUITE 250
Chantilly, VA 20151

Reassigned Medicare billing, District of Columbia enrollment
379 clinicians in this Medicare group

NPI 1215264916 (703) 321-2609

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

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.

663 services396 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

368 services368 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.

242 services194 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

195 services26 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

95 services92 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

92 services89 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

62 services62 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

47 services47 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

31 services31 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

31 services31 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.

30 services30 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

28 services27 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

20 services20 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

18 services18 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

17 services17 patients

Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report G0403

An Electrocardiogram (ECG) with 12 leads is a non-invasive test that measures the electrical activity of your heart. It's performed during your initial physical examination to screen for heart conditions. The results are interpreted and compiled into a report for further evaluation.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490040

Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County

Emergency services Birthing friendly

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax 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

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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.

93.51/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

87.02

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers13 claims26 services$5.76 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 5

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

PARAMPAL SINGH BHULLAR M.D., M.B.B.S.

Internal Medicine

3022 WILLIAMS DR STE 300
FAIRFAX, VA 22031

Fairfax County (703) 573-9800

SAHAR H PEREZ PA-C

Physician Assistant

3022 WILLIAMS DR STE 300
FAIRFAX, VA 22031

Fairfax County (703) 573-9800

DR. JOSIE JOY GO M.D.

Internal Medicine

3022 WILLIAMS DR STE 300
FAIRFAX, VA 22031

Fairfax County (703) 573-9800

HAEUN KIM NP

Nurse Practitioner (Gerontology)

3022 WILLIAMS DR STE 300
FAIRFAX, VA 22031

Fairfax County (703) 573-9800

FOLA OLUWEHINMI MD

Internal Medicine (Geriatric Medicine)

3022 WILLIAMS DR STE 300, INTERNAL MEDICINE/GERIATRICS
FAIRFAX, VA 22031

Fairfax County (703) 573-9800

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 Maryann Giordano's NPI number?

The NPI number for Maryann Giordano is 1326010604. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Maryann Giordano located?

Maryann Giordano practices at 3022 Williams Dr Ste 300, Fairfax, VA 22031. The listed phone number is (703) 573-9800.

What is Maryann Giordano's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maryann Giordano enrolled in Medicare?

Yes. Maryann Giordano 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.

Which organizations bill Medicare for Maryann Giordano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Giordano reassigns Medicare benefits to 2 organizations: (Arlington, VA) and Inova Physician Partners, LLC (Chantilly, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maryann Giordano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maryann Giordano accept?

Health plans from Oscar Health list Maryann Giordano as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maryann Giordano affiliated with any hospitals?

According to CMS data, Maryann Giordano is affiliated with Inova Alexandria Hospital, Virginia Hospital Center, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Maryann Giordano was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.