Michael S Duffy Sr DO Inc
NPI 1316175342 · Internal Medicine Physician · San Diego, CA
Michael S Duffy Sr DO Inc is a Internal Medicine Physician organization in San Diego, CA (NPI 1316175342).
Provider details
- NPI number
- 1316175342
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Duffy, Medical Director(619) 647-5072
- License
- 72004 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- Pacific Medical Care
- Doing business as
- Pacific Medical Care
Registry dates
- Enumerated
- 2009-06-29
- Last updated
- 2022-08-16
- Certified
- 2022-08-16
Frequently asked questions
- What is Michael S Duffy Sr DO Inc's NPI number?
- Michael S Duffy Sr DO Inc's National Provider Identifier (NPI) is 1316175342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael S Duffy Sr DO Inc?
- Michael S Duffy Sr DO Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael S Duffy Sr DO Inc located?
- Michael S Duffy Sr DO Inc's practice location on file with NPPES is 1501 5th Ave Ste 200, San Diego, CA 92101-3224.
- What is Michael S Duffy Sr DO Inc's phone number?
- The practice phone number listed in the NPPES registry for Michael S Duffy Sr DO Inc is (619) 647-5072.
- Who is the authorized official for Michael S Duffy Sr DO Inc?
- The authorized official listed on Michael S Duffy Sr DO Inc's NPPES record is Michael Duffy, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael S Duffy Sr DO Inc's NPI active?
- Yes — Michael S Duffy Sr DO Inc's NPI (1316175342) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.