OrganizationActive
Patrick G Duffy DDS, MD Inc
NPI 1821340415 · Dental Clinic/Center · Fremont, CA
Patrick G Duffy DDS, MD Inc is a Dental Clinic/Center organization in Fremont, CA (NPI 1821340415).
Provider details
- NPI number
- 1821340415
- Entity type
- Organization
- Primary specialty
- Dental Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Patrick Duffy, Owner(415) 640-8595
- License
- 59005 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(79/100 index)
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
2147 Mowry Ave
Suite A1
Fremont, CA 94538-1724
Phone: (510) 574-1868
Street-level locationGet directions
Mailing address
55 Edgewood Pl
Belmont, CA 94002
Registry dates
- Enumerated
- 2012-10-08
- Last updated
- 2012-10-19
Frequently asked questions
- What is Patrick G Duffy DDS, MD Inc's NPI number?
- Patrick G Duffy DDS, MD Inc's National Provider Identifier (NPI) is 1821340415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Patrick G Duffy DDS, MD Inc?
- Patrick G Duffy DDS, MD Inc is classified in the NPPES registry as Dental Clinic/Center (Ambulatory Health Care Facilities).
- Where is Patrick G Duffy DDS, MD Inc located?
- Patrick G Duffy DDS, MD Inc's practice location on file with NPPES is 2147 Mowry Ave, Fremont, CA 94538-1724.
- What is Patrick G Duffy DDS, MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Patrick G Duffy DDS, MD Inc is (510) 574-1868.
- Who is the authorized official for Patrick G Duffy DDS, MD Inc?
- The authorized official listed on Patrick G Duffy DDS, MD Inc's NPPES record is Patrick Duffy, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Patrick G Duffy DDS, MD Inc's NPI active?
- Yes — Patrick G Duffy DDS, MD Inc's NPI (1821340415) is active in the NPPES registry as of the last update on 2012-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.