Margaret Tempero, MD
NPI 1225095730 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Tempero, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1225095730).
Provider details
- NPI number
- 1225095730
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G85868 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$8,616 across 4 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
- 2006-04-27
- Last updated
- 2008-07-23
Frequently asked questions
- What is Margaret Tempero's NPI number?
- Margaret Tempero's National Provider Identifier (NPI) is 1225095730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Tempero's specialty?
- Margaret Tempero is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Tempero located?
- Margaret Tempero's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94115-3010.
- What is Margaret Tempero's phone number?
- The practice phone number listed in the NPPES registry for Margaret Tempero is (415) 353-9888.
- Does Margaret Tempero accept Medicare?
- Margaret Tempero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Tempero's NPI active?
- Yes — Margaret Tempero's NPI (1225095730) is active in the NPPES registry as of the last update on 2008-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.