Mark Tomlinson, MD
NPI 1962485557 · Maternal & Fetal Medicine Physician · Portland, OR
Mark Tomlinson, MD is a Maternal & Fetal Medicine Physician provider in Portland, OR (NPI 1962485557).
Provider details
- NPI number
- 1962485557
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD 22542 (OR)
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
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.
$114 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
- 2005-11-28
- Last updated
- 2016-06-24
Frequently asked questions
- What is Mark Tomlinson's NPI number?
- Mark Tomlinson's National Provider Identifier (NPI) is 1962485557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tomlinson's specialty?
- Mark Tomlinson is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Tomlinson located?
- Mark Tomlinson's practice location on file with NPPES is 9701 Sw Barnes Rd, Portland, OR 97225-6772.
- What is Mark Tomlinson's phone number?
- The practice phone number listed in the NPPES registry for Mark Tomlinson is (503) 297-3660.
- Is Mark Tomlinson's NPI active?
- Yes — Mark Tomlinson's NPI (1962485557) is active in the NPPES registry as of the last update on 2016-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.