Daniel Duong, DO
NPI 1205456092 · Family Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Duong, DO is a Family Medicine Physician provider in Ventura, CA (NPI 1205456092).
Provider details
- NPI number
- 1205456092
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A21099 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
111 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 62 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $177 |
Typical Medicare-allowed amounts for these services range $98–$177 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 34 |
| Amlodipine Besylate | 57 | 25 |
| Losartan Potassium | 49 | 16 |
| Levothyroxine Sodium | 30 | 18 |
| Metformin Hcl | 29 | 13 |
| Gabapentin | 27 | 15 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-21
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Daniel Duong's NPI number?
- Daniel Duong's National Provider Identifier (NPI) is 1205456092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Duong's specialty?
- Daniel Duong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Duong located?
- Daniel Duong's practice location on file with NPPES is 147 N Brent St, Ventura, CA 93003-2809.
- What is Daniel Duong's phone number?
- The practice phone number listed in the NPPES registry for Daniel Duong is (805) 948-5672.
- Does Daniel Duong accept Medicare?
- Daniel Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Duong's NPI active?
- Yes — Daniel Duong's NPI (1205456092) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.