Denise Armellini, MD
NPI 1811107162 · Endocrinology, Diabetes & Metabolism Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Armellini, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Fairfax, VA (NPI 1811107162).
Provider details
- NPI number
- 1811107162
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D71184 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
316 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 | 200 | $140 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 85 | $37 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 31 | $198 |
Typical Medicare-allowed amounts for these services range $37–$198 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 73 | 14 |
| Atorvastatin Calcium | 47 | 15 |
| Levothyroxine Sodium | 47 | 15 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 46 | 17 |
| Metformin Hclbrand: Metformin Hcl Er | 41 | — |
| Levothyroxine Sodiumbrand: Synthroid | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$87 across 3 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
- 2007-05-23
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is Denise Armellini's NPI number?
- Denise Armellini's National Provider Identifier (NPI) is 1811107162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Armellini's specialty?
- Denise Armellini is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Denise Armellini located?
- Denise Armellini's practice location on file with NPPES is 3025 Hamaker Ct, Fairfax, VA 22031-2237.
- What is Denise Armellini's phone number?
- The practice phone number listed in the NPPES registry for Denise Armellini is (703) 873-7425.
- Does Denise Armellini accept Medicare?
- Denise Armellini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Armellini's NPI active?
- Yes — Denise Armellini's NPI (1811107162) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.