Daniel Greenberg, M.D.
NPI 1619993771 · Specialist · Oxnard, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Greenberg, M.D. is a Specialist provider in Oxnard, CA (NPI 1619993771).
Provider details
- NPI number
- 1619993771
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G44959 (CA)
Specialties & taxonomies
Other Service Providers
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.
$122 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
- 2006-07-14
- Last updated
- 2018-08-14
Frequently asked questions
- What is Daniel Greenberg's NPI number?
- Daniel Greenberg's National Provider Identifier (NPI) is 1619993771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Greenberg's specialty?
- Daniel Greenberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Daniel Greenberg located?
- Daniel Greenberg's practice location on file with NPPES is 1600 N Rose Ave, Oxnard, CA 93030.
- What is Daniel Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Daniel Greenberg is (805) 983-0860.
- Does Daniel Greenberg accept Medicare?
- Daniel Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Greenberg's NPI active?
- Yes — Daniel Greenberg's NPI (1619993771) is active in the NPPES registry as of the last update on 2018-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.