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Michael Mattern, M.D.
NPI 1811910391 · Orthopaedic Surgery Physician · Dover, DE
Michael Mattern, M.D. is a Orthopaedic Surgery Physician provider in Dover, DE (NPI 1811910391).
Provider details
- NPI number
- 1811910391
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C1-0002009 (DE)
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
724 S New St
Dover, DE 19904-3540
Phone: (302) 734-3416
Fax: (302) 734-4960
Street-level locationGet directions
Mailing address
640 S State St
Dover, DE 19901-3530
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2012-11-20
Frequently asked questions
- What is Michael Mattern's NPI number?
- Michael Mattern's National Provider Identifier (NPI) is 1811910391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mattern's specialty?
- Michael Mattern is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mattern located?
- Michael Mattern's practice location on file with NPPES is 724 S New St, Dover, DE 19904-3540.
- What is Michael Mattern's phone number?
- The practice phone number listed in the NPPES registry for Michael Mattern is (302) 734-3416.
- Is Michael Mattern's NPI active?
- Yes — Michael Mattern's NPI (1811910391) is active in the NPPES registry as of the last update on 2012-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.