Hamid Assadi, M.D.
NPI 1659390524 · Family Medicine Physician · Vienna, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hamid Assadi, M.D. is a Family Medicine Physician provider in Vienna, VA (NPI 1659390524).
Provider details
- NPI number
- 1659390524
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101242970 (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
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
715 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 297 | $101 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 167 | $9 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 134 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $141 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 29 | $100 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 75 |
| Metformin Hcl | 166 | 52 |
| Rosuvastatin Calcium | 129 | 42 |
| Losartan Potassium | 123 | 41 |
| Amlodipine Besylate | 104 | 39 |
| Levothyroxine Sodium | 99 | 32 |
| Buprenorphine Hcl/Naloxone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 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
- 2006-07-19
- Last updated
- 2013-10-30
Frequently asked questions
- What is Hamid Assadi's NPI number?
- Hamid Assadi's National Provider Identifier (NPI) is 1659390524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hamid Assadi's specialty?
- Hamid Assadi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hamid Assadi located?
- Hamid Assadi's practice location on file with NPPES is 2555 Chain Bridge Rd, Vienna, VA 22181.
- What is Hamid Assadi's phone number?
- The practice phone number listed in the NPPES registry for Hamid Assadi is (703) 261-6550.
- Does Hamid Assadi accept Medicare?
- Hamid Assadi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hamid Assadi's NPI active?
- Yes — Hamid Assadi's NPI (1659390524) is active in the NPPES registry as of the last update on 2013-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.