David Huang, MD
NPI 1306919691 · Internal Medicine Physician · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Huang, MD is a Internal Medicine Physician provider in Costa Mesa, CA (NPI 1306919691).
Provider details
- NPI number
- 1306919691
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A44680 (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
19 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
132 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 58 | $51 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $98 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $85 |
Typical Medicare-allowed amounts for these services range $51–$134 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 78 | 27 |
| Losartan Potassium | 73 | 21 |
| Atorvastatin Calcium | 47 | 14 |
| Hydroxyzine Pamoate | 40 | 32 |
| Metformin Hcl | 37 | 11 |
| Hydralazine Hcl | 34 | — |
| Montelukast Sodium | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2010-08-03
Frequently asked questions
- What is David Huang's NPI number?
- David Huang's National Provider Identifier (NPI) is 1306919691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Huang's specialty?
- David Huang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Huang located?
- David Huang's practice location on file with NPPES is 275 Victoria St, Costa Mesa, CA 92627-1906.
- What is David Huang's phone number?
- The practice phone number listed in the NPPES registry for David Huang is (949) 722-6178.
- Does David Huang accept Medicare?
- David Huang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Huang's NPI active?
- Yes — David Huang's NPI (1306919691) is active in the NPPES registry as of the last update on 2010-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.