What is Allison Ahn's NPI number?

Allison Ahn's National Provider Identifier (NPI) is 1306511100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Allison Ahn's specialty?

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

Where is Allison Ahn located?

Allison Ahn's practice location on file with NPPES is 520 W Fayette St Ste 300, Baltimore, MD 21201-1756.

What is Allison Ahn's phone number?

The practice phone number listed in the NPPES registry for Allison Ahn is (410) 706-5242.

Is Allison Ahn's NPI active?

Yes — Allison Ahn's NPI (1306511100) is active in the NPPES registry as of the last update on 2025-09-22.

IndividualActive

Allison Ahn

NPI 1306511100 · Physician Assistant · Baltimore, MD

Allison Ahn is a Physician Assistant provider in Baltimore, MD (NPI 1306511100).

Provider details

NPI number: 1306511100
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

Established profile(55/100 index)

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
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

520 W Fayette St Ste 300

Baltimore, MD 21201-1756

Phone: (410) 706-5242

Street-level locationGet directions

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Mailing address