Roman Marciniak
NPI 1326579210 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roman Marciniak is a Internal Medicine Physician provider in San Diego, CA (NPI 1326579210).
Provider details
- NPI number
- 1326579210
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-23
- Last updated
- 2024-08-20
- Certified
- 2024-08-20
Frequently asked questions
- What is Roman Marciniak's NPI number?
- Roman Marciniak's National Provider Identifier (NPI) is 1326579210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roman Marciniak's specialty?
- Roman Marciniak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roman Marciniak located?
- Roman Marciniak's practice location on file with NPPES is 4077 Fifth Ave # Mer35, San Diego, CA 92103-2105.
- What is Roman Marciniak's phone number?
- The practice phone number listed in the NPPES registry for Roman Marciniak is (619) 294-8111.
- Does Roman Marciniak accept Medicare?
- Roman Marciniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roman Marciniak's NPI active?
- Yes — Roman Marciniak's NPI (1326579210) is active in the NPPES registry as of the last update on 2024-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.