Karl Granroth, PA-C
NPI 1639294739 · Physician Assistant · Winslow, AZ
Karl Granroth, PA-C is a Physician Assistant provider in Winslow, AZ (NPI 1639294739).
Provider details
- NPI number
- 1639294739
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 3602 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
- 2007-03-20
- Last updated
- 2009-03-17
Frequently asked questions
- What is Karl Granroth's NPI number?
- Karl Granroth's National Provider Identifier (NPI) is 1639294739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Granroth's specialty?
- Karl Granroth is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karl Granroth located?
- Karl Granroth's practice location on file with NPPES is 620 Lee St, Winslow, AZ 86047-2435.
- What is Karl Granroth's phone number?
- The practice phone number listed in the NPPES registry for Karl Granroth is (928) 289-2000.
- Is Karl Granroth's NPI active?
- Yes — Karl Granroth's NPI (1639294739) is active in the NPPES registry as of the last update on 2009-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.