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James Knaggs, MD
NPI 1851309546 · Ophthalmology Physician · Ann Arbor, MI
James Knaggs, MD is a Ophthalmology Physician provider in Ann Arbor, MI (NPI 1851309546).
Provider details
- NPI number
- 1851309546
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301024802 (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
1000 Wall Street
Ann Arbor, MI 48105-0714
Phone: (734) 763-1415
Street-level locationGet directions
Mailing address
3621 S State St
Ann Arbor, MI 48108
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Knaggs's NPI number?
- James Knaggs's National Provider Identifier (NPI) is 1851309546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Knaggs's specialty?
- James Knaggs is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Knaggs located?
- James Knaggs's practice location on file with NPPES is 1000 Wall Street, Ann Arbor, MI 48105-0714.
- What is James Knaggs's phone number?
- The practice phone number listed in the NPPES registry for James Knaggs is (734) 763-1415.
- Is James Knaggs's NPI active?
- Yes — James Knaggs's NPI (1851309546) 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.