Loren Leshan, M.D.
NPI 1194832642 · Family Medicine Physician · Porter Ranch, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loren Leshan, M.D. is a Family Medicine Physician provider in Porter Ranch, CA (NPI 1194832642).
Provider details
- NPI number
- 1194832642
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G86992 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
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
19 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
250 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 66 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $99 |
| 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 | 30 | $17 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 16 | $62 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 232 | 76 |
| Levothyroxine Sodium | 159 | 47 |
| Amlodipine Besylate | 133 | 47 |
| Losartan Potassium | 103 | 36 |
| Omeprazole | 93 | 28 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 85 | 21 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Loren Leshan's NPI number?
- Loren Leshan's National Provider Identifier (NPI) is 1194832642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loren Leshan's specialty?
- Loren Leshan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Loren Leshan located?
- Loren Leshan's practice location on file with NPPES is 19950 Rinaldi St, Porter Ranch, CA 91326-4141.
- What is Loren Leshan's phone number?
- The practice phone number listed in the NPPES registry for Loren Leshan is (818) 403-2400.
- Does Loren Leshan accept Medicare?
- Loren Leshan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loren Leshan's NPI active?
- Yes — Loren Leshan's NPI (1194832642) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.