J Zimmer, MD
NPI 1306878772 · Family Medicine Physician · Los Gatos, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
J Zimmer, MD is a Family Medicine Physician provider in Los Gatos, CA (NPI 1306878772).
Provider details
- NPI number
- 1306878772
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A026187 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
524 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 289 | $105 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 80 | $142 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $146 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 52 | $17 |
| Urinalysis, Manual Test81002 | 15 | $3 |
| Brief Communication Technology-Based Service, E.g. Virtual Check-In, By a Physician Or Other Qualified Health Care Professional Who Can Report Evaluation and Management Services, Provided to an Established Patient, Not Originating From a Related E/M Servic |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 102 |
| Amlodipine Besylate | 205 | 56 |
| Levothyroxine Sodium | 151 | 68 |
| Metoprolol Succinate | 143 | 37 |
| Metformin Hcl | 137 | 57 |
| Losartan Potassium | 92 | 35 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$437 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is J Zimmer's NPI number?
- J Zimmer's National Provider Identifier (NPI) is 1306878772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J Zimmer's specialty?
- J Zimmer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is J Zimmer located?
- J Zimmer's practice location on file with NPPES is 15066 Los Gatos Almaden Rd, Los Gatos, CA 95032.
- What is J Zimmer's phone number?
- The practice phone number listed in the NPPES registry for J Zimmer is (408) 377-9180.
- Does J Zimmer accept Medicare?
- J Zimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is J Zimmer's NPI active?
- Yes — J Zimmer's NPI (1306878772) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.