Robert Hartwig, M.D.
NPI 1255446845 · Orthopaedic Hand Surgery Physician · Sylvania, OH
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Hartwig, M.D. is a Orthopaedic Hand Surgery Physician provider in Sylvania, OH (NPI 1255446845).
Provider details
- NPI number
- 1255446845
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-04-4789 H (OH)
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
- 2006-08-21
- Last updated
- 2017-07-12
Frequently asked questions
- What is Robert Hartwig's NPI number?
- Robert Hartwig's National Provider Identifier (NPI) is 1255446845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Hartwig's specialty?
- Robert Hartwig is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Hartwig located?
- Robert Hartwig's practice location on file with NPPES is 6444 Monroe St, Sylvania, OH 43560-1455.
- What is Robert Hartwig's phone number?
- The practice phone number listed in the NPPES registry for Robert Hartwig is (419) 885-2553.
- Does Robert Hartwig accept Medicare?
- Robert Hartwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Hartwig's NPI active?
- Yes — Robert Hartwig's NPI (1255446845) is active in the NPPES registry as of the last update on 2017-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.