Karl Grunewald, MD
NPI 1285672931 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chester, PA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Grunewald, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Chester, PA (NPI 1285672931).
Provider details
- NPI number
- 1285672931
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD040212E (PA)
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
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
- 2006-06-03
- Last updated
- 2014-07-08
Frequently asked questions
- What is Karl Grunewald's NPI number?
- Karl Grunewald's National Provider Identifier (NPI) is 1285672931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Grunewald's specialty?
- Karl Grunewald is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Grunewald located?
- Karl Grunewald's practice location on file with NPPES is 1 Medical Center Blvd, Chester, PA 19013-3902.
- What is Karl Grunewald's phone number?
- The practice phone number listed in the NPPES registry for Karl Grunewald is (610) 619-8477.
- Does Karl Grunewald accept Medicare?
- Karl Grunewald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Grunewald's NPI active?
- Yes — Karl Grunewald's NPI (1285672931) is active in the NPPES registry as of the last update on 2014-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.