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Joanne Imperial, MD
NPI 1225101884 · Gastroenterology Physician · Palo Alto, CA
Joanne Imperial, MD is a Gastroenterology Physician provider in Palo Alto, CA (NPI 1225101884).
Provider details
- NPI number
- 1225101884
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G44420 (CA)
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
900 Welch Rd
Ste 105
Palo Alto, CA 94304-1805
Phone: (650) 324-7912
Fax: (650) 322-2904
Street-level locationGet directions
Mailing address
900 Welch Rd
Palo Alto, CA 94304-1805
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2007-07-09
Frequently asked questions
- What is Joanne Imperial's NPI number?
- Joanne Imperial's National Provider Identifier (NPI) is 1225101884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Imperial's specialty?
- Joanne Imperial is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Imperial located?
- Joanne Imperial's practice location on file with NPPES is 900 Welch Rd, Palo Alto, CA 94304-1805.
- What is Joanne Imperial's phone number?
- The practice phone number listed in the NPPES registry for Joanne Imperial is (650) 324-7912.
- Is Joanne Imperial's NPI active?
- Yes — Joanne Imperial's NPI (1225101884) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.