ROBERT H HARTWIG M.D.
NPI 1255446845
Orthopaedic Surgery - Hand Surgery in Sylvania, OH
About Robert H Hartwig M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT H HARTWIG M.D. (NPI 1255446845) is an individual hand surgery provider in Sylvania, Ohio, licensed in Ohio (35-04-4789 H) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert H Hartwig M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Hartwig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sylvania, OH 43560
- Reassigned Medicare billing, Ohio enrollment
- 375 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43560 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SYLVANIA, OH 43560
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Hartwig's NPI number?
The NPI number for Robert Hartwig is 1255446845. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Robert Hartwig located?
Robert Hartwig practices at 6444 Monroe St Ste 1, Sylvania, OH 43560. The listed phone number is (419) 885-2553.
What is Robert Hartwig's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Robert Hartwig enrolled in Medicare?
Yes. Robert Hartwig is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Hartwig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Hartwig reassigns Medicare benefits to The Toledo Hospital (Sylvania, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Hartwig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Hartwig accept?
Health plans from CareSource list Robert Hartwig as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Robert Hartwig was last updated on July 12, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Robert H Hartwig, M.D. · NPI 1255446845
Hand Surgery physician in Sylvania, Ohio. Individual provider, active in the CMS NPPES registry since August 21, 2006.
## Identity
- **NPI:** 1255446845 (Entity type: Individual)
- **Enumerated:** August 21, 2006
- **Primary specialty:** Orthopaedic Surgery - Hand Surgery · taxonomy 207XS0106X
- **State license:** 35-04-4789 H (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 6444 MONROE ST, STE 1, Sylvania, OH 43560-1455
- **Phone:** (419) 885-2553
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Toledo Hospital (NPI 1033546981, Sylvania, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 12, 2017
- **Other identifiers:** Medicaid 0431401 (OH); Medicare UPIN C01874; Medicare PIN HA0480484 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1255446845) · Data from the CMS NPPES public registry.