Hai Dao, M.D.
NPI 1033312202 · Internal Medicine Physician · San Bernardino, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hai Dao, M.D. is a Internal Medicine Physician provider in San Bernardino, CA (NPI 1033312202).
Provider details
- NPI number
- 1033312202
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A97539 (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
486 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 | 265 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $132 |
| Administration of Influenza Virus VaccineG0008 | 43 | $33 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 24 | $58 |
| Ultrasound Study of Arm and Leg Arteries93922 | 19 | $88 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 19 | $93 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 767 | 227 |
| Amlodipine Besylate | 566 | 152 |
| Losartan Potassium | 373 | 106 |
| Lisinopril | 373 | 108 |
| Gabapentin | 346 | 100 |
| Levothyroxine Sodium | 336 | 85 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-06
- Last updated
- 2025-11-15
- Certified
- 2025-11-15
Frequently asked questions
- What is Hai Dao's NPI number?
- Hai Dao's National Provider Identifier (NPI) is 1033312202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hai Dao's specialty?
- Hai Dao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hai Dao located?
- Hai Dao's practice location on file with NPPES is 1700 N Waterman Ave, San Bernardino, CA 92404-5115.
- What is Hai Dao's phone number?
- The practice phone number listed in the NPPES registry for Hai Dao is (909) 883-8611.
- Does Hai Dao accept Medicare?
- Hai Dao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hai Dao's NPI active?
- Yes — Hai Dao's NPI (1033312202) is active in the NPPES registry as of the last update on 2025-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.