Marie Fiero, M.D.
NPI 1164741906 · Pediatrics Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Fiero, M.D. is a Pediatrics Physician provider in Palo Alto, CA (NPI 1164741906).
Provider details
- NPI number
- 1164741906
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A156179 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs 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)
- 600 N Wolfe StBaltimore, MD 21287-0005Phone: (703) 593-5854
Registry dates
- Enumerated
- 2010-05-19
- Last updated
- 2018-07-16
Frequently asked questions
- What is Marie Fiero's NPI number?
- Marie Fiero's National Provider Identifier (NPI) is 1164741906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Fiero's specialty?
- Marie Fiero is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Fiero located?
- Marie Fiero's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304.
- What is Marie Fiero's phone number?
- The practice phone number listed in the NPPES registry for Marie Fiero is (650) 497-8000.
- Does Marie Fiero accept Medicare?
- Marie Fiero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Fiero's NPI active?
- Yes — Marie Fiero's NPI (1164741906) is active in the NPPES registry as of the last update on 2018-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.