Mark Orringer, MD
NPI 1912913187 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Ann Arbor, MI
Mark Orringer, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Ann Arbor, MI (NPI 1912913187).
Provider details
- NPI number
- 1912913187
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301033266 (MI)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense 4301033266 (MI)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2012-03-27
Frequently asked questions
- What is Mark Orringer's NPI number?
- Mark Orringer's National Provider Identifier (NPI) is 1912913187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Orringer's specialty?
- Mark Orringer is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Orringer located?
- Mark Orringer's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5644.
- What is Mark Orringer's phone number?
- The practice phone number listed in the NPPES registry for Mark Orringer is (734) 936-8857.
- Is Mark Orringer's NPI active?
- Yes — Mark Orringer's NPI (1912913187) is active in the NPPES registry as of the last update on 2012-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.