Matthew Giessman, DC
NPI 1255086724 · Chiropractor · Pleasanton, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Giessman, DC is a Chiropractor provider in Pleasanton, CA (NPI 1255086724).
Provider details
- NPI number
- 1255086724
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 36223 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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)
- 1120 2nd St Unit 1Brentwood, CA 94513-2295Phone: (925) 513-8883
Registry dates
- Enumerated
- 2022-02-14
- Last updated
- 2022-02-14
- Certified
- 2022-02-14
Frequently asked questions
- What is Matthew Giessman's NPI number?
- Matthew Giessman's National Provider Identifier (NPI) is 1255086724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Giessman's specialty?
- Matthew Giessman is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Matthew Giessman located?
- Matthew Giessman's practice location on file with NPPES is 148 Ray St Ste a, Pleasanton, CA 94566-6649.
- What is Matthew Giessman's phone number?
- The practice phone number listed in the NPPES registry for Matthew Giessman is (925) 484-0191.
- Does Matthew Giessman accept Medicare?
- Matthew Giessman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Giessman's NPI active?
- Yes — Matthew Giessman's NPI (1255086724) is active in the NPPES registry as of the last update on 2022-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.