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Jens Maassen, L.AC.
NPI 1154505568 · Acupuncturist · San Ramon, CA
Jens Maassen, L.AC. is a Acupuncturist provider in San Ramon, CA (NPI 1154505568).
Provider details
- NPI number
- 1154505568
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CA11907 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
2330a San Ramon Valley Blvd
San Ramon, CA 94583-1608
Phone: (925) 451-6282
Street-level locationGet directions
Mailing address
1060 Bluebell Dr
Livermore, CA 94551-1332
Registry dates
- Enumerated
- 2007-12-20
- Last updated
- 2007-12-20
Frequently asked questions
- What is Jens Maassen's NPI number?
- Jens Maassen's National Provider Identifier (NPI) is 1154505568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jens Maassen's specialty?
- Jens Maassen is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Jens Maassen located?
- Jens Maassen's practice location on file with NPPES is 2330a San Ramon Valley Blvd, San Ramon, CA 94583-1608.
- What is Jens Maassen's phone number?
- The practice phone number listed in the NPPES registry for Jens Maassen is (925) 451-6282.
- Is Jens Maassen's NPI active?
- Yes — Jens Maassen's NPI (1154505568) is active in the NPPES registry as of the last update on 2007-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.