Hartzell Schaff, M.D.
NPI 1699752337 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hartzell Schaff, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Rochester, MN (NPI 1699752337).
Provider details
- NPI number
- 1699752337
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25376 (MN)
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
- 2005-12-23
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Hartzell Schaff's NPI number?
- Hartzell Schaff's National Provider Identifier (NPI) is 1699752337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hartzell Schaff's specialty?
- Hartzell Schaff is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Hartzell Schaff located?
- Hartzell Schaff's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Hartzell Schaff's phone number?
- The practice phone number listed in the NPPES registry for Hartzell Schaff is (507) 284-2511.
- Does Hartzell Schaff accept Medicare?
- Hartzell Schaff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hartzell Schaff's NPI active?
- Yes — Hartzell Schaff's NPI (1699752337) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.