Eric Khau, MD
NPI 1437654134 · Internal Medicine Physician · Tustin, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Khau, MD is a Internal Medicine Physician provider in Tustin, CA (NPI 1437654134).
Provider details
- NPI number
- 1437654134
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A166942 (CA)
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
8 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
439 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 278 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $99 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 27 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $140 |
| Administration of Influenza Virus VaccineG0008 | 19 | $35 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 271 | 98 |
| Levothyroxine Sodium | 231 | 65 |
| Losartan Potassium | 210 | 73 |
| Amlodipine Besylate | 205 | 68 |
| Rosuvastatin Calcium | 188 | 72 |
| Lisinopril | 174 | 52 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 1 record (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
- 2018-03-26
- Last updated
- 2024-01-23
- Certified
- 2024-01-23
Frequently asked questions
- What is Eric Khau's NPI number?
- Eric Khau's National Provider Identifier (NPI) is 1437654134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Khau's specialty?
- Eric Khau is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Khau located?
- Eric Khau's practice location on file with NPPES is 15000 Kensington Park Dr Ste 250, Tustin, CA 92782-1835.
- What is Eric Khau's phone number?
- The practice phone number listed in the NPPES registry for Eric Khau is (714) 477-8320.
- Does Eric Khau accept Medicare?
- Eric Khau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Khau's NPI active?
- Yes — Eric Khau's NPI (1437654134) is active in the NPPES registry as of the last update on 2024-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.