John Rumpakis, O.D., M.B.A.
NPI 1841395449 · Optometrist · Lake Oswego, OR
John Rumpakis, O.D., M.B.A. is a Optometrist provider in Lake Oswego, OR (NPI 1841395449).
Provider details
- NPI number
- 1841395449
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D., M.B.A.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1614 (WA)
Specialties & taxonomies
Eye and Vision Services 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.
$11,447 across 7 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
- 2006-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Rumpakis's NPI number?
- John Rumpakis's National Provider Identifier (NPI) is 1841395449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rumpakis's specialty?
- John Rumpakis is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is John Rumpakis located?
- John Rumpakis's practice location on file with NPPES is 5435 Southwood Dr, Lake Oswego, OR 97035-5780.
- What is John Rumpakis's phone number?
- The practice phone number listed in the NPPES registry for John Rumpakis is (503) 968-7595.
- Is John Rumpakis's NPI active?
- Yes — John Rumpakis's NPI (1841395449) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.