Corey S. Maas M.D. a Professional Corporation
NPI 1841544871 · Plastic and Reconstructive Surgery Physician · San Francisco, CA
Corey S. Maas M.D. a Professional Corporation is a Plastic and Reconstructive Surgery Physician organization in San Francisco, CA (NPI 1841544871).
Provider details
- NPI number
- 1841544871
- Entity type
- Organization
- Primary specialty
- Plastic and Reconstructive Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ramiro Garcia, Business Manager(415) 567-7556
- License
- G071163 (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
13 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
Other names (DBA / former)
- Doing business as
- The Maas Clinic
Registry dates
- Enumerated
- 2012-10-29
- Last updated
- 2012-10-29
Frequently asked questions
- What is Corey S. Maas M.D. a Professional Corporation's NPI number?
- Corey S. Maas M.D. a Professional Corporation's National Provider Identifier (NPI) is 1841544871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Corey S. Maas M.D. a Professional Corporation?
- Corey S. Maas M.D. a Professional Corporation is classified in the NPPES registry as Plastic and Reconstructive Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Corey S. Maas M.D. a Professional Corporation located?
- Corey S. Maas M.D. a Professional Corporation's practice location on file with NPPES is 2400 Clay St, San Francisco, CA 94115-1809.
- What is Corey S. Maas M.D. a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Corey S. Maas M.D. a Professional Corporation is (415) 567-7000.
- Who is the authorized official for Corey S. Maas M.D. a Professional Corporation?
- The authorized official listed on Corey S. Maas M.D. a Professional Corporation's NPPES record is Ramiro Garcia, Business Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Corey S. Maas M.D. a Professional Corporation's NPI active?
- Yes — Corey S. Maas M.D. a Professional Corporation's NPI (1841544871) is active in the NPPES registry as of the last update on 2012-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.