Quick answers
- Does Jeffrey P. Lake accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey P. Lake accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jeffrey P. Lake see?
- In 2024, CMS data shows 390 Original Medicare patients and 1,137 services for Jeffrey P. Lake. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey P. Lake's NPI number?
- 1326006024. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jeffrey P. Lake, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 390 |
|---|---|
| Services billed to Medicare | 1,137 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)379 services
- Diagnostic exam of anus using an endoscope (46600)198 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)193 services
- Injection of hemorrhoid (46500)99 services
- Diagnostic exam of rectum and lower large bowel using an endoscope (45300)64 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Arthritis55%
- Ischemic heart disease34%
- Diabetes29%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
Hospitals where Jeffrey P. Lake works
Medicare's Facility Affiliation Data lists Jeffrey P. Lake at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050761
Practice locations
Addresses where Jeffrey P. Lake is enrolled with Medicare (CMS data updated October 2, 2026).
- 16311 Ventura Blvd, Suite 505Encino, CA 91436 (818) 387‑8725
Group practices
Medicare enrollment lists Jeffrey P. Lake as a member of this group (CMS data updated October 2, 2026).
- Jeffrey P Lake MD Inc5 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in California →
Other colorectal surgeons in Encino
Clinicians with the same Medicare primary specialty in Encino, CA — not a recommendation.
Other clinicians in Jeffrey P Lake MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326006024 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians