What is Mary Duval's NPI number?

Mary Duval's National Provider Identifier (NPI) is 1851540819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Duval's specialty?

Mary Duval is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Mary Duval located?

Mary Duval's practice location on file with NPPES is 3801 Miranda Ave, Palo Alto, CA 94304-1207.

What is Mary Duval's phone number?

The practice phone number listed in the NPPES registry for Mary Duval is (650) 493-5000.

Is Mary Duval's NPI active?

Yes — Mary Duval's NPI (1851540819) is active in the NPPES registry as of the last update on 2008-09-15.

IndividualActive

Mary Duval, R.N.

NPI 1851540819 · Registered Nurse · Palo Alto, CA

Mary Duval, R.N. is a Registered Nurse provider in Palo Alto, CA (NPI 1851540819).

Provider details

NPI number: 1851540819
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: R.N.
Sex: Female
Sole proprietor: Yes
License: 398637 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 398637 (CA)
Nursing Service Providers

Profile Score

Detailed profile(87/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 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

3801 Miranda Ave

Palo Alto, CA 94304-1207

Phone: (650) 493-5000

Street-level locationGet directions

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Mailing address