What is John Ley's NPI number?

John Ley's National Provider Identifier (NPI) is 1598872517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Ley's specialty?

John Ley is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is John Ley located?

John Ley's practice location on file with NPPES is 116 N Tuscola Rdq, Bay City, MI 48708-6961.

What is John Ley's phone number?

The practice phone number listed in the NPPES registry for John Ley is (989) 892-9595.

Is John Ley's NPI active?

Yes — John Ley's NPI (1598872517) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Ley, MD

NPI 1598872517 · Ophthalmology Physician · Bay City, MI

John Ley, MD is a Ophthalmology Physician provider in Bay City, MI (NPI 1598872517).

Provider details

NPI number: 1598872517
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 4301026203 (MI)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 4301026203 (MI)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

116 N Tuscola Rdq

Bay City, MI 48708-6961

Phone: (989) 892-9595

Street-level locationGet directions

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Mailing address