Mark Gruwell, M.D.
NPI 1669447876 · Anesthesiology Physician · Chattanooga, TN
Mark Gruwell, M.D. is a Anesthesiology Physician provider in Chattanooga, TN (NPI 1669447876).
Provider details
- NPI number
- 1669447876
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD17937 (TN)
Specialties & taxonomies
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
20 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
- 2006-02-21
- Last updated
- 2013-09-26
Frequently asked questions
- What is Mark Gruwell's NPI number?
- Mark Gruwell's National Provider Identifier (NPI) is 1669447876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gruwell's specialty?
- Mark Gruwell is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gruwell located?
- Mark Gruwell's practice location on file with NPPES is 2341 Mccallie Ave, Chattanooga, TN 37404-3239.
- What is Mark Gruwell's phone number?
- The practice phone number listed in the NPPES registry for Mark Gruwell is (423) 698-3309.
- Is Mark Gruwell's NPI active?
- Yes — Mark Gruwell's NPI (1669447876) is active in the NPPES registry as of the last update on 2013-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.