Marcella Simpson, NNP
NPI 1730474495 · Neonatal Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcella Simpson, NNP is a Neonatal Nurse Practitioner provider in Phoenix, AZ (NPI 1730474495).
Provider details
- NPI number
- 1730474495
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP4076 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-06-10
- Last updated
- 2011-06-10
Frequently asked questions
- What is Marcella Simpson's NPI number?
- Marcella Simpson's National Provider Identifier (NPI) is 1730474495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcella Simpson's specialty?
- Marcella Simpson is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcella Simpson located?
- Marcella Simpson's practice location on file with NPPES is 2601 E Roosevelt St, Phoenix, AZ 85008-4973.
- What is Marcella Simpson's phone number?
- The practice phone number listed in the NPPES registry for Marcella Simpson is (602) 344-5890.
- Does Marcella Simpson accept Medicare?
- Marcella Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcella Simpson's NPI active?
- Yes — Marcella Simpson's NPI (1730474495) is active in the NPPES registry as of the last update on 2011-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.