Alejandro Lopez
NPI 1578190724 · Gastroenterology Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alejandro Lopez is a Gastroenterology Physician provider in San Francisco, CA (NPI 1578190724).
Provider details
- NPI number
- 1578190724
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$93 across 1 record (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
Additional practice locations (1)
- 1701 Divisadero St Ste 120San Francisco, CA 94115-3011Phone: (415) 353-7655
Registry dates
- Enumerated
- 2020-03-26
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Alejandro Lopez's NPI number?
- Alejandro Lopez's National Provider Identifier (NPI) is 1578190724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandro Lopez's specialty?
- Alejandro Lopez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Alejandro Lopez located?
- Alejandro Lopez's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Alejandro Lopez's phone number?
- The practice phone number listed in the NPPES registry for Alejandro Lopez is (787) 806-6380.
- Does Alejandro Lopez accept Medicare?
- Alejandro Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alejandro Lopez's NPI active?
- Yes — Alejandro Lopez's NPI (1578190724) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.