Emma Ryan, DO
NPI 1679920284 · Surgery Physician · Rancho Cucuamonga, CA
Emma Ryan, DO is a Surgery Physician provider in Rancho Cucuamonga, CA (NPI 1679920284).
Provider details
- NPI number
- 1679920284
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
$141 across 2 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
- 2016-05-24
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Emma Ryan's NPI number?
- Emma Ryan's National Provider Identifier (NPI) is 1679920284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emma Ryan's specialty?
- Emma Ryan is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Emma Ryan located?
- Emma Ryan's practice location on file with NPPES is 8680 Monroe Court, Rancho Cucuamonga, CA 91730.
- What is Emma Ryan's phone number?
- The practice phone number listed in the NPPES registry for Emma Ryan is (909) 987-0899.
- Is Emma Ryan's NPI active?
- Yes — Emma Ryan's NPI (1679920284) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.