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William Marshall, M.D.
NPI 1568560894 · Pediatrics Physician · Tucson, AZ
William Marshall, M.D. is a Pediatrics Physician provider in Tucson, AZ (NPI 1568560894).
Provider details
- NPI number
- 1568560894
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11859 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
1501 N Campbell Ave
Tucson, AZ 85724-0001
Phone: (520) 874-4750
Fax: (520) 874-4751
Approximate (ZIP-level) locationGet directions
Mailing address
2701 E Elvira Rd
Tucson, AZ 85756-7124
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2015-02-10
Frequently asked questions
- What is William Marshall's NPI number?
- William Marshall's National Provider Identifier (NPI) is 1568560894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marshall's specialty?
- William Marshall is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Marshall located?
- William Marshall's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is William Marshall's phone number?
- The practice phone number listed in the NPPES registry for William Marshall is (520) 874-4750.
- Is William Marshall's NPI active?
- Yes — William Marshall's NPI (1568560894) is active in the NPPES registry as of the last update on 2015-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.