Patrick Welch, PHARM.D.
NPI 1003183773 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Chico, CA
Patrick Welch, PHARM.D. is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Chico, CA (NPI 1003183773).
Provider details
- NPI number
- 1003183773
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59306 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-11-24
- Last updated
- 2011-11-24
Frequently asked questions
- What is Patrick Welch's NPI number?
- Patrick Welch's National Provider Identifier (NPI) is 1003183773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Welch's specialty?
- Patrick Welch is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Patrick Welch located?
- Patrick Welch's practice location on file with NPPES is 100 Penzance Ave Apt 54, Chico, CA 95973-8257.
- What is Patrick Welch's phone number?
- The practice phone number listed in the NPPES registry for Patrick Welch is (530) 332-7777.
- Is Patrick Welch's NPI active?
- Yes — Patrick Welch's NPI (1003183773) is active in the NPPES registry as of the last update on 2011-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.