Katherine Welter, NP
NPI 1265264972 · Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Welter, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Boston, MA (NPI 1265264972).
Provider details
- NPI number
- 1265264972
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F406150 (NY)
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 274 Madison Ave Rm 1501New York, NY 10016-0701Phone: (212) 203-1773Fax: (646) 665-4427
Registry dates
- Enumerated
- 2024-08-20
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Katherine Welter's NPI number?
- Katherine Welter's National Provider Identifier (NPI) is 1265264972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Welter's specialty?
- Katherine Welter is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Welter located?
- Katherine Welter's practice location on file with NPPES is 234 W Canton St, Boston, MA 02116-5814.
- What is Katherine Welter's phone number?
- The practice phone number listed in the NPPES registry for Katherine Welter is (781) 608-2723.
- Does Katherine Welter accept Medicare?
- Katherine Welter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Welter's NPI active?
- Yes — Katherine Welter's NPI (1265264972) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.