Uyen Dang, M.D.
NPI 1275707598 · Family Medicine Physician · Mission Viejo, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Uyen Dang, M.D. is a Family Medicine Physician provider in Mission Viejo, CA (NPI 1275707598).
Provider details
- NPI number
- 1275707598
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A103358 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 239 | 84 |
| Metformin Hcl | 182 | 64 |
| Lisinopril | 121 | 47 |
| Amlodipine Besylate | 118 | 45 |
| Losartan Potassium | 95 | 32 |
| Alendronate Sodium | 93 | 27 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-17
- Last updated
- 2011-08-23
Frequently asked questions
- What is Uyen Dang's NPI number?
- Uyen Dang's National Provider Identifier (NPI) is 1275707598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Uyen Dang's specialty?
- Uyen Dang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Uyen Dang located?
- Uyen Dang's practice location on file with NPPES is 23512 Madero, Mission Viejo, CA 92691-2743.
- What is Uyen Dang's phone number?
- The practice phone number listed in the NPPES registry for Uyen Dang is (949) 583-1600.
- Does Uyen Dang accept Medicare?
- Uyen Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Uyen Dang's NPI active?
- Yes — Uyen Dang's NPI (1275707598) is active in the NPPES registry as of the last update on 2011-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.