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Mark Maus, D.O.
NPI 1689744518 · Family Medicine Physician · Fairfield, CA
Mark Maus, D.O. is a Family Medicine Physician provider in Fairfield, CA (NPI 1689744518).
Provider details
- NPI number
- 1689744518
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A5128 (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
2101 Courage Dr
Ms 10-100
Fairfield, CA 94533-6717
Phone: (707) 784-2048
Fax: (707) 784-2032
Street-level locationGet directions
Mailing address
2101 Courage Dr
Fairfield, CA 94533-6717
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2013-04-15
Frequently asked questions
- What is Mark Maus's NPI number?
- Mark Maus's National Provider Identifier (NPI) is 1689744518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Maus's specialty?
- Mark Maus is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Maus located?
- Mark Maus's practice location on file with NPPES is 2101 Courage Dr, Fairfield, CA 94533-6717.
- What is Mark Maus's phone number?
- The practice phone number listed in the NPPES registry for Mark Maus is (707) 784-2048.
- Is Mark Maus's NPI active?
- Yes — Mark Maus's NPI (1689744518) is active in the NPPES registry as of the last update on 2013-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.