Laurence Silverstein, M.D.
NPI 1588755466 · Geriatric Medicine (Internal Medicine) Physician · Tarzana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Laurence Silverstein, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Tarzana, CA (NPI 1588755466).
Provider details
- NPI number
- 1588755466
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G43592 (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
16,519 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,066 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 956 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 950 | $132 |
| Liver Function Blood Test Panel80076 | 869 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 808 | $13 |
| Hemoglobin A1c Level83036 | 786 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 856 | 252 |
| Amlodipine Besylate | 449 | 129 |
| Levothyroxine Sodium | 405 | 107 |
| Lisinopril | 354 | 103 |
| Metformin Hcl | 299 | 88 |
| Losartan Potassium | 295 | 83 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$458 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
- 2006-09-27
- Last updated
- 2015-05-13
Frequently asked questions
- What is Laurence Silverstein's NPI number?
- Laurence Silverstein's National Provider Identifier (NPI) is 1588755466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Laurence Silverstein's specialty?
- Laurence Silverstein is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Laurence Silverstein located?
- Laurence Silverstein's practice location on file with NPPES is 5620 Wilbur Ave, Tarzana, CA 91356.
- What is Laurence Silverstein's phone number?
- The practice phone number listed in the NPPES registry for Laurence Silverstein is (818) 345-0601.
- Does Laurence Silverstein accept Medicare?
- Laurence Silverstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Laurence Silverstein's NPI active?
- Yes — Laurence Silverstein's NPI (1588755466) is active in the NPPES registry as of the last update on 2015-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.