Mark Ho, MD
NPI 1275611964 · Internal Medicine Physician · Davis, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ho, MD is a Internal Medicine Physician provider in Davis, CA (NPI 1275611964).
Provider details
- NPI number
- 1275611964
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68939 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 412 | 134 |
| Levothyroxine Sodium | 249 | 69 |
| Lisinopril | 237 | 75 |
| Amlodipine Besylate | 234 | 76 |
| Losartan Potassium | 223 | 68 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 158 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is Mark Ho's NPI number?
- Mark Ho's National Provider Identifier (NPI) is 1275611964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ho's specialty?
- Mark Ho is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ho located?
- Mark Ho's practice location on file with NPPES is 1955 Cowell Blvd, Davis, CA 95618-6325.
- What is Mark Ho's phone number?
- The practice phone number listed in the NPPES registry for Mark Ho is (916) 757-7100.
- Does Mark Ho accept Medicare?
- Mark Ho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ho's NPI active?
- Yes — Mark Ho's NPI (1275611964) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.