What is Ceilidh Ahearn's NPI number?

Ceilidh Ahearn's National Provider Identifier (NPI) is 1619814431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ceilidh Ahearn's specialty?

Ceilidh Ahearn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ceilidh Ahearn located?

Ceilidh Ahearn's practice location on file with NPPES is 1 Genesys Pkwy, Grand Blanc, MI 48439-8065.

What is Ceilidh Ahearn's phone number?

The practice phone number listed in the NPPES registry for Ceilidh Ahearn is (810) 606-5986.

Is Ceilidh Ahearn's NPI active?

Yes — Ceilidh Ahearn's NPI (1619814431) is active in the NPPES registry as of the last update on 2026-04-30.

IndividualActive

Ceilidh Ahearn

NPI 1619814431 · Internal Medicine Physician · Grand Blanc, MI

Ceilidh Ahearn is a Internal Medicine Physician provider in Grand Blanc, MI (NPI 1619814431).

Provider details

NPI number: 1619814431
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Female
Sole proprietor: No
License: 5151018087 (MI)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 5151018087 (MI)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 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
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

1 Genesys Pkwy

Grand Blanc, MI 48439-8065

Phone: (810) 606-5986

Approximate (ZIP-level) locationGet directions

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Mailing address