Kenneth Lin, MD
NPI 1972546976 · Internal Medicine Physician · San Carlos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Lin, MD is a Internal Medicine Physician provider in San Carlos, CA (NPI 1972546976).
Provider details
- NPI number
- 1972546976
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A78927 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
262 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 75 | $156 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $110 |
| Administration of Influenza Virus VaccineG0008 | 23 | $39 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 21 | $70 |
| Admn Sarscov2 Vacc 1 Dose90480 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 205 | 62 |
| Amlodipine Besylate | 131 | 37 |
| Losartan Potassium | 131 | 34 |
| Metformin Hcl | 70 | 20 |
| Hydrochlorothiazide | 65 | 20 |
| Lisinopril | 64 | 17 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2021-03-23
- Certified
- 2021-03-23
Frequently asked questions
- What is Kenneth Lin's NPI number?
- Kenneth Lin's National Provider Identifier (NPI) is 1972546976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Lin's specialty?
- Kenneth Lin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Lin located?
- Kenneth Lin's practice location on file with NPPES is 301 Industrial Rd, San Carlos, CA 94070-2603.
- What is Kenneth Lin's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Lin is (650) 596-4000.
- Does Kenneth Lin accept Medicare?
- Kenneth Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Lin's NPI active?
- Yes — Kenneth Lin's NPI (1972546976) is active in the NPPES registry as of the last update on 2021-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.