Mary Witkos, N.P.
NPI 1417904186 · Primary Care Nurse Practitioner · Lowell, MA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Witkos, N.P. is a Primary Care Nurse Practitioner provider in Lowell, MA (NPI 1417904186).
Provider details
- NPI number
- 1417904186
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 182773 (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
- 2006-05-28
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Mary Witkos's NPI number?
- Mary Witkos's National Provider Identifier (NPI) is 1417904186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Witkos's specialty?
- Mary Witkos is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Witkos located?
- Mary Witkos's practice location on file with NPPES is 130 Marshall Rd, Lowell, MA 01852-5130.
- What is Mary Witkos's phone number?
- The practice phone number listed in the NPPES registry for Mary Witkos is (978) 671-9000.
- Does Mary Witkos accept Medicare?
- Mary Witkos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Witkos's NPI active?
- Yes — Mary Witkos's NPI (1417904186) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.