Daniel Klein, MD
NPI 1245318096 · Infectious Disease Physician · Hayward, CA
Daniel Klein, MD is a Infectious Disease Physician provider in Hayward, CA (NPI 1245318096).
Provider details
- NPI number
- 1245318096
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G28140 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 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.
$34 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
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2014-04-30
Frequently asked questions
- What is Daniel Klein's NPI number?
- Daniel Klein's National Provider Identifier (NPI) is 1245318096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Klein's specialty?
- Daniel Klein is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Klein located?
- Daniel Klein's practice location on file with NPPES is 27400 Hesperian Blvd, Hayward, CA 94545-4235.
- What is Daniel Klein's phone number?
- The practice phone number listed in the NPPES registry for Daniel Klein is (510) 784-4000.
- Is Daniel Klein's NPI active?
- Yes — Daniel Klein's NPI (1245318096) is active in the NPPES registry as of the last update on 2014-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.