IndividualActive
John Chun, M.D.
NPI 1669498135 · Internal Medicine Physician · Ypsilanti, MI
John Chun, M.D. is a Internal Medicine Physician provider in Ypsilanti, MI (NPI 1669498135).
Provider details
- NPI number
- 1669498135
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301043436 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
5333 Mcauley Dr
Ypsilanti, MI 48197-1014
Phone: (734) 572-7366
Street-level locationGet directions
Mailing address
2159 Anns Way
Ann Arbor, MI 48105-9548
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Chun's NPI number?
- John Chun's National Provider Identifier (NPI) is 1669498135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chun's specialty?
- John Chun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Chun located?
- John Chun's practice location on file with NPPES is 5333 Mcauley Dr, Ypsilanti, MI 48197-1014.
- What is John Chun's phone number?
- The practice phone number listed in the NPPES registry for John Chun is (734) 572-7366.
- Is John Chun's NPI active?
- Yes — John Chun's NPI (1669498135) 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.