Inna Spier, MD
NPI 1922170745 · Internal Medicine Physician · Campbell, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Inna Spier, MD is a Internal Medicine Physician provider in Campbell, CA (NPI 1922170745).
Provider details
- NPI number
- 1922170745
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A51313 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2022-01-18
Frequently asked questions
- What is Inna Spier's NPI number?
- Inna Spier's National Provider Identifier (NPI) is 1922170745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Inna Spier's specialty?
- Inna Spier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Inna Spier located?
- Inna Spier's practice location on file with NPPES is 220 E Hacienda Ave, Campbell, CA 95008-6617.
- What is Inna Spier's phone number?
- The practice phone number listed in the NPPES registry for Inna Spier is (408) 236-6400.
- Does Inna Spier accept Medicare?
- Inna Spier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Inna Spier's NPI active?
- Yes — Inna Spier's NPI (1922170745) is active in the NPPES registry as of the last update on 2022-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.