Sergio Arellano-Ayala, NP
NPI 1891328779 · Acute Care Nurse Practitioner · Baltimore, MD
Sergio Arellano-Ayala, NP is a Acute Care Nurse Practitioner provider in Baltimore, MD (NPI 1891328779).
Provider details
- NPI number
- 1891328779
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP144156 (TX)
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
6 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
- 2020-02-19
- Last updated
- 2020-02-19
- Certified
- 2020-02-19
Frequently asked questions
- What is Sergio Arellano-Ayala's NPI number?
- Sergio Arellano-Ayala's National Provider Identifier (NPI) is 1891328779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Arellano-Ayala's specialty?
- Sergio Arellano-Ayala is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sergio Arellano-Ayala located?
- Sergio Arellano-Ayala's practice location on file with NPPES is 22 S Greene St # S4d03, Baltimore, MD 21201-1544.
- What is Sergio Arellano-Ayala's phone number?
- The practice phone number listed in the NPPES registry for Sergio Arellano-Ayala is (410) 328-5831.
- Is Sergio Arellano-Ayala's NPI active?
- Yes — Sergio Arellano-Ayala's NPI (1891328779) is active in the NPPES registry as of the last update on 2020-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.