Nathan Hua, MD
NPI 1619471232 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Hua, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1619471232).
Provider details
- NPI number
- 1619471232
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A173692 (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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 161 | 72 |
| Amlodipine Besylate | 146 | 62 |
| Alendronate Sodium | 94 | 36 |
| Losartan Potassium | 90 | 38 |
| Metoprolol Succinate | 86 | 33 |
| Metformin Hcl | 73 | 29 |
| Empagliflozin |
Practice location
Mailing address
Additional practice locations (1)
- 24 Hospital AveDanbury, CT 06810-6099Phone: (203) 739-8105
Registry dates
- Enumerated
- 2018-03-20
- Last updated
- 2023-07-07
- Certified
- 2023-07-07
Frequently asked questions
- What is Nathan Hua's NPI number?
- Nathan Hua's National Provider Identifier (NPI) is 1619471232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Hua's specialty?
- Nathan Hua is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Hua located?
- Nathan Hua's practice location on file with NPPES is 4551 El Cajon Blvd, San Diego, CA 92115-4316.
- What is Nathan Hua's phone number?
- The practice phone number listed in the NPPES registry for Nathan Hua is (619) 280-7185.
- Does Nathan Hua accept Medicare?
- Nathan Hua is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Hua's NPI active?
- Yes — Nathan Hua's NPI (1619471232) is active in the NPPES registry as of the last update on 2023-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.