Patrick Clarke, M.D.
NPI 1194015891 · Internal Medicine Physician · Tustin, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Clarke, M.D. is a Internal Medicine Physician provider in Tustin, CA (NPI 1194015891).
Provider details
- NPI number
- 1194015891
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A114369 (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
15 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
Registry dates
- Enumerated
- 2011-04-14
- Last updated
- 2011-04-14
Frequently asked questions
- What is Patrick Clarke's NPI number?
- Patrick Clarke's National Provider Identifier (NPI) is 1194015891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Clarke's specialty?
- Patrick Clarke is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Clarke located?
- Patrick Clarke's practice location on file with NPPES is 3002 Dow Ave, Tustin, CA 92780-7233.
- What is Patrick Clarke's phone number?
- The practice phone number listed in the NPPES registry for Patrick Clarke is (888) 277-0080.
- Does Patrick Clarke accept Medicare?
- Patrick Clarke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Clarke's NPI active?
- Yes — Patrick Clarke's NPI (1194015891) is active in the NPPES registry as of the last update on 2011-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.