What is Sierra Acker's NPI number?

Sierra Acker's National Provider Identifier (NPI) is 1942142468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sierra Acker's specialty?

Sierra Acker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Sierra Acker located?

Sierra Acker's practice location on file with NPPES is 12124 Saint Clement, Saint Louis, MO 63131-4021.

What is Sierra Acker's phone number?

The practice phone number listed in the NPPES registry for Sierra Acker is (314) 596-6839.

Is Sierra Acker's NPI active?

Yes — Sierra Acker's NPI (1942142468) is active in the NPPES registry as of the last update on 2026-04-06.

IndividualActive

Sierra Acker

NPI 1942142468 · Physician Assistant · Saint Louis, MO

Sierra Acker is a Physician Assistant provider in Saint Louis, MO (NPI 1942142468).

Provider details

NPI number: 1942142468
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(46/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

12124 Saint Clement

Saint Louis, MO 63131-4021

Phone: (314) 596-6839

Approximate (ZIP-level) locationGet directions

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Mailing address