Laurence Peiperl, MD
NPI 1861543142 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Laurence Peiperl, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1861543142).
Provider details
- NPI number
- 1861543142
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G77718 (CA)
Specialties & taxonomies
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
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 144 | $127 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 62 | $180 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 56 | $88 |
Typical Medicare-allowed amounts for these services range $88–$180 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 232 | 12 |
| Amlodipine Besylate | 193 | — |
| Baclofen | 171 | — |
| Trazodone Hcl | 156 | — |
| Olanzapine | 130 | — |
| Levothyroxine Sodium | 119 | — |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 107 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Laurence Peiperl's NPI number?
- Laurence Peiperl's National Provider Identifier (NPI) is 1861543142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Laurence Peiperl's specialty?
- Laurence Peiperl is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Laurence Peiperl located?
- Laurence Peiperl's practice location on file with NPPES is 558 Clayton St, San Francisco, CA 94117-2907.
- What is Laurence Peiperl's phone number?
- The practice phone number listed in the NPPES registry for Laurence Peiperl is (415) 487-5632.
- Does Laurence Peiperl accept Medicare?
- Laurence Peiperl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Laurence Peiperl's NPI active?
- Yes — Laurence Peiperl's NPI (1861543142) 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.