Dennis Ha, MD
NPI 1922460617 · Internal Medicine Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Ha, MD is a Internal Medicine Physician provider in San Leandro, CA (NPI 1922460617).
Provider details
- NPI number
- 1922460617
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A151317 (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
10 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
839 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 Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 439 | $133 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 148 | $131 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 92 | $89 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 80 | $186 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 63 | $146 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 26 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Prednisone | 15 | 15 |
| Amlodipine Besylate | 14 | 13 |
| Apixabanbrand: Eliquis | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2019-09-30
Frequently asked questions
- What is Dennis Ha's NPI number?
- Dennis Ha's National Provider Identifier (NPI) is 1922460617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Ha's specialty?
- Dennis Ha is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Ha located?
- Dennis Ha's practice location on file with NPPES is 13855 E 14th St, San Leandro, CA 94578-2611.
- What is Dennis Ha's phone number?
- The practice phone number listed in the NPPES registry for Dennis Ha is (530) 567-6500.
- Does Dennis Ha accept Medicare?
- Dennis Ha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Ha's NPI active?
- Yes — Dennis Ha's NPI (1922460617) is active in the NPPES registry as of the last update on 2019-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.