Michael Marchesseault, M.D.
NPI 1326063512 · Emergency Medicine Physician · Quincy, CA
Michael Marchesseault, M.D. is a Emergency Medicine Physician provider in Quincy, CA (NPI 1326063512).
Provider details
- NPI number
- 1326063512
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G71949 (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
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)
- 199 E Webster StColusa, CA 95932-2954Phone: (530) 458-3283Fax: (530) 458-3215
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Michael Marchesseault's NPI number?
- Michael Marchesseault's National Provider Identifier (NPI) is 1326063512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marchesseault's specialty?
- Michael Marchesseault is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marchesseault located?
- Michael Marchesseault's practice location on file with NPPES is 1065 Bucks Lake Rd, Quincy, CA 95971-9599.
- What is Michael Marchesseault's phone number?
- The practice phone number listed in the NPPES registry for Michael Marchesseault is (530) 283-7161.
- Is Michael Marchesseault's NPI active?
- Yes — Michael Marchesseault's NPI (1326063512) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.