Margaret White-Guthro, N.P.
NPI 1497751200 · Nurse Practitioner · Newburyport, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret White-Guthro, N.P. is a Nurse Practitioner provider in Newburyport, MA (NPI 1497751200).
Provider details
- NPI number
- 1497751200
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 172820 (MA)
Specialties & taxonomies
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
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
- 2005-06-27
- Last updated
- 2008-08-11
Frequently asked questions
- What is Margaret White-Guthro's NPI number?
- Margaret White-Guthro's National Provider Identifier (NPI) is 1497751200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret White-Guthro's specialty?
- Margaret White-Guthro is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret White-Guthro located?
- Margaret White-Guthro's practice location on file with NPPES is 19a Congress St, Newburyport, MA 01950-2344.
- What is Margaret White-Guthro's phone number?
- The practice phone number listed in the NPPES registry for Margaret White-Guthro is (978) 462-8774.
- Does Margaret White-Guthro accept Medicare?
- Margaret White-Guthro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret White-Guthro's NPI active?
- Yes — Margaret White-Guthro's NPI (1497751200) is active in the NPPES registry as of the last update on 2008-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.