Maryann Giordano, MD
NPI 1326010604 · Internal Medicine Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryann Giordano, MD is a Internal Medicine Physician provider in Fairfax, VA (NPI 1326010604).
Provider details
- NPI number
- 1326010604
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101053601 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,868 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 | 663 | $145 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 368 | $149 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 242 | $103 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 195 | $71 |
| Administration of Influenza Virus VaccineG0008 | 95 | $36 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 371 | 118 |
| Rosuvastatin Calcium | 261 | 85 |
| Levothyroxine Sodium | 223 | 62 |
| Amlodipine Besylate | 214 | 64 |
| Lisinopril | 204 | 64 |
| Losartan Potassium | 174 | 50 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
Additional practice locations (1)
- 611 S Carlin Springs RdSte 405Arlington, VA 22204Phone: (703) 379-5757Fax: (703) 820-7207
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Maryann Giordano's NPI number?
- Maryann Giordano's National Provider Identifier (NPI) is 1326010604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryann Giordano's specialty?
- Maryann Giordano is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maryann Giordano located?
- Maryann Giordano's practice location on file with NPPES is 3022 Williams Dr Ste 300, Fairfax, VA 22031-4600.
- What is Maryann Giordano's phone number?
- The practice phone number listed in the NPPES registry for Maryann Giordano is (703) 573-9800.
- Does Maryann Giordano accept Medicare?
- Maryann Giordano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryann Giordano's NPI active?
- Yes — Maryann Giordano's NPI (1326010604) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.