IndividualActive
John Liao, MD
NPI 1700990314 · Pulmonary Disease Physician · Bad Axe, MI
John Liao, MD is a Pulmonary Disease Physician provider in Bad Axe, MI (NPI 1700990314).
Provider details
- NPI number
- 1700990314
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 039148 (MI)
Specialties & taxonomies
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
1100 S Van Dyke
Bad Axe, MI 48413
Phone: (989) 269-9521
Fax: (989) 269-7948
Street-level locationGet directions
Mailing address
Po Box 102
Bad Axe, MI 48413-0102
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Liao's NPI number?
- John Liao's National Provider Identifier (NPI) is 1700990314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Liao's specialty?
- John Liao is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Liao located?
- John Liao's practice location on file with NPPES is 1100 S Van Dyke, Bad Axe, MI 48413.
- What is John Liao's phone number?
- The practice phone number listed in the NPPES registry for John Liao is (989) 269-9521.
- Is John Liao's NPI active?
- Yes — John Liao's NPI (1700990314) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.