Nicholas Zirpolo, PH. D.
NPI 1033155569 · Counseling Psychologist · Palo Alto, CA
Nicholas Zirpolo, PH. D. is a Counseling Psychologist provider in Palo Alto, CA (NPI 1033155569).
Provider details
- NPI number
- 1033155569
- Entity type
- Individual
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Credential
- PH. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY11597 (CA)
Specialties & taxonomies
Behavioral Health & Social Service 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
- 2006-06-22
- Last updated
- 2007-11-23
Frequently asked questions
- What is Nicholas Zirpolo's NPI number?
- Nicholas Zirpolo's National Provider Identifier (NPI) is 1033155569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Zirpolo's specialty?
- Nicholas Zirpolo is listed in the NPPES registry with a primary specialty of Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Nicholas Zirpolo located?
- Nicholas Zirpolo's practice location on file with NPPES is 4161 El Camino Way, Palo Alto, CA 94306-4006.
- What is Nicholas Zirpolo's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Zirpolo is (650) 494-1215.
- Is Nicholas Zirpolo's NPI active?
- Yes — Nicholas Zirpolo's NPI (1033155569) is active in the NPPES registry as of the last update on 2007-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.