John Li, M.D.
NPI 1235665589 · Internal Medicine Physician · Davis, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Li, M.D. is a Internal Medicine Physician provider in Davis, CA (NPI 1235665589).
Provider details
- NPI number
- 1235665589
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A187640 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
912 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 | 365 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 125 | $17 |
| Administration of Influenza Virus VaccineG0008 | 55 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $92 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 85 | 40 |
| Rosuvastatin Calcium | 84 | 34 |
| Levothyroxine Sodium | 74 | 33 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 64 | 20 |
| Amlodipine Besylate | 57 | 28 |
| Metformin Hclbrand: Metformin Hcl Er | 47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-05
- Last updated
- 2023-09-05
- Certified
- 2023-09-01
Frequently asked questions
- What is John Li's NPI number?
- John Li's National Provider Identifier (NPI) is 1235665589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Li's specialty?
- John Li is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Li located?
- John Li's practice location on file with NPPES is 684 Hutchison Dr, Davis, CA 95616.
- What is John Li's phone number?
- The practice phone number listed in the NPPES registry for John Li is (530) 297-2330.
- Does John Li accept Medicare?
- John Li is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Li's NPI active?
- Yes — John Li's NPI (1235665589) is active in the NPPES registry as of the last update on 2023-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.