Delaney O'Brien, AA
NPI 1629716758 · Anesthesiologist Assistant · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Delaney O'Brien, AA is a Anesthesiologist Assistant provider in Grand Rapids, MI (NPI 1629716758).
Provider details
- NPI number
- 1629716758
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Anesthesiologist Assistant367H00000X
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 3333 Evergreen Dr NeGrand Rapids, MI 49525-9493Phone: (616) 364-4200
- 5900 Byron Center Ave SwWyoming, MI 49519-9606Phone: (616) 364-4200
- 5901 Monclova RdMaumee, OH 43537-1841Phone: (419) 897-8349Fax: (419) 891-8084
- 3000 Arlington AveToledo, OH 43614-2598Phone: (419) 383-3556Fax: (419) 383-3550
Registry dates
- Enumerated
- 2022-05-27
- Last updated
- 2024-10-02
- Certified
- 2024-10-02
Frequently asked questions
- What is Delaney O'Brien's NPI number?
- Delaney O'Brien's National Provider Identifier (NPI) is 1629716758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Delaney O'Brien's specialty?
- Delaney O'Brien is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Delaney O'Brien located?
- Delaney O'Brien's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is Delaney O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Delaney O'Brien is (616) 364-4200.
- Does Delaney O'Brien accept Medicare?
- Delaney O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Delaney O'Brien's NPI active?
- Yes — Delaney O'Brien's NPI (1629716758) is active in the NPPES registry as of the last update on 2024-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.