Cynthia Grimes, NNP
NPI 1598721110 · Critical Care Neonatal Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Grimes, NNP is a Critical Care Neonatal Nurse Practitioner provider in Phoenix, AZ (NPI 1598721110).
Provider details
- NPI number
- 1598721110
- Entity type
- Individual
- Primary specialty
- Critical Care Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- License
- 68 (AZ)
Specialties & taxonomies
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
20 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
- 2006-04-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Cynthia Grimes's NPI number?
- Cynthia Grimes's National Provider Identifier (NPI) is 1598721110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Grimes's specialty?
- Cynthia Grimes is listed in the NPPES registry with a primary specialty of Critical Care Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Grimes located?
- Cynthia Grimes's practice location on file with NPPES is 901 E Willetta St, Phoenix, AZ 85006-2727.
- What is Cynthia Grimes's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Grimes is (602) 239-2635.
- Does Cynthia Grimes accept Medicare?
- Cynthia Grimes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Grimes's NPI active?
- Yes — Cynthia Grimes's NPI (1598721110) 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.