Haley Issichopoulos, MSM, PA-C
NPI 1699288027 · Medical Physician Assistant · Portola Valley, CA
Haley Issichopoulos, MSM, PA-C is a Medical Physician Assistant provider in Portola Valley, CA (NPI 1699288027).
Provider details
- NPI number
- 1699288027
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSM, PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 54940 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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)
- 1900 University Ave Ste 101East Palo Alto, CA 94303-2213Phone: (650) 494-1000Fax: (650) 494-1000
Registry dates
- Enumerated
- 2017-11-07
- Last updated
- 2021-05-10
- Certified
- 2021-05-10
Frequently asked questions
- What is Haley Issichopoulos's NPI number?
- Haley Issichopoulos's National Provider Identifier (NPI) is 1699288027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haley Issichopoulos's specialty?
- Haley Issichopoulos is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Haley Issichopoulos located?
- Haley Issichopoulos's practice location on file with NPPES is 844 Portola Rd, Portola Valley, CA 94028-7207.
- What is Haley Issichopoulos's phone number?
- The practice phone number listed in the NPPES registry for Haley Issichopoulos is (650) 494-1000.
- Is Haley Issichopoulos's NPI active?
- Yes — Haley Issichopoulos's NPI (1699288027) is active in the NPPES registry as of the last update on 2021-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.