Mark Greenwood, DO
NPI 1013122332 · Emergency Medicine Physician · Grand Rapids, MI
Mark Greenwood, DO is a Emergency Medicine Physician provider in Grand Rapids, MI (NPI 1013122332).
Provider details
- NPI number
- 1013122332
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 510101010350 (MI)
Specialties & taxonomies
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
- 2007-05-11
- Last updated
- 2012-04-18
Frequently asked questions
- What is Mark Greenwood's NPI number?
- Mark Greenwood's National Provider Identifier (NPI) is 1013122332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greenwood's specialty?
- Mark Greenwood is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Greenwood located?
- Mark Greenwood's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is Mark Greenwood's phone number?
- The practice phone number listed in the NPPES registry for Mark Greenwood is (616) 391-5310.
- Is Mark Greenwood's NPI active?
- Yes — Mark Greenwood's NPI (1013122332) is active in the NPPES registry as of the last update on 2012-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.