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Mary Welch, NURSE PRACTITIONER
NPI 1669406476 · Gerontology Registered Nurse · Tucson, AZ
Mary Welch, NURSE PRACTITIONER is a Gerontology Registered Nurse provider in Tucson, AZ (NPI 1669406476).
Provider details
- NPI number
- 1669406476
- Entity type
- Individual
- Primary specialty
- Gerontology Registered NurseNursing Service Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- No
- License
- RN048412 (AZ)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(91/100 index)
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
3601 S 6th Ave
Tucson, AZ 85723-0001
Phone: (520) 792-1450
Fax: (520) 629-4783
Street-level locationGet directions
Mailing address
Po Box 57599
Tucson, AZ 85732-7599
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Welch's NPI number?
- Mary Welch's National Provider Identifier (NPI) is 1669406476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Welch's specialty?
- Mary Welch is listed in the NPPES registry with a primary specialty of Gerontology Registered Nurse (Nursing Service Providers).
- Where is Mary Welch located?
- Mary Welch's practice location on file with NPPES is 3601 S 6th Ave, Tucson, AZ 85723-0001.
- What is Mary Welch's phone number?
- The practice phone number listed in the NPPES registry for Mary Welch is (520) 792-1450.
- Is Mary Welch's NPI active?
- Yes — Mary Welch's NPI (1669406476) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.