Sigfred Marquez, RN
NPI 1235594557 · Registered Nurse · Altamonte Springs, FL
Sigfred Marquez, RN is a Registered Nurse provider in Altamonte Springs, FL (NPI 1235594557).
Provider details
- NPI number
- 1235594557
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- PMD512135 (FL)
Specialties & taxonomies
Nursing Service Providers
Emergency Medical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2015-12-31
- Last updated
- 2015-12-31
Frequently asked questions
- What is Sigfred Marquez's NPI number?
- Sigfred Marquez's National Provider Identifier (NPI) is 1235594557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sigfred Marquez's specialty?
- Sigfred Marquez is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Sigfred Marquez located?
- Sigfred Marquez's practice location on file with NPPES is 940 Douglas Ave, Altamonte Springs, FL 32714-2097.
- What is Sigfred Marquez's phone number?
- The practice phone number listed in the NPPES registry for Sigfred Marquez is (407) 694-2998.
- Is Sigfred Marquez's NPI active?
- Yes — Sigfred Marquez's NPI (1235594557) is active in the NPPES registry as of the last update on 2015-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.